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Posted to commits@cassandra.apache.org by mc...@apache.org on 2021/04/15 11:19:12 UTC

[cassandra] branch trunk updated (5cbdb2e -> 94603c6)

This is an automated email from the ASF dual-hosted git repository.

mck pushed a change to branch trunk
in repository https://gitbox.apache.org/repos/asf/cassandra.git.


    from 5cbdb2e  Periodic failures in *RepairCoordinator*Test caused by race condition with nodetool repair
     new 1185593  Remove test parallelism from ant build.xml
     new 2a6059e  Merge branch 'cassandra-2.2' into cassandra-3.0
     new 5b93a87  Merge branch 'cassandra-3.0' into cassandra-3.11
     new 94603c6  Merge branch 'cassandra-3.11' into trunk

The 4 revisions listed above as "new" are entirely new to this
repository and will be described in separate emails.  The revisions
listed as "add" were already present in the repository and have only
been added to this reference.


Summary of changes:
 .circleci/config-2_1.yml     |   6 +-
 .circleci/config.yml         |  12 ++--
 .circleci/config.yml.HIGHRES |  12 ++--
 .circleci/config.yml.LOWRES  |  12 ++--
 .circleci/config.yml.MIDRES  |   6 +-
 build.xml                    | 164 ++++++++-----------------------------------
 6 files changed, 53 insertions(+), 159 deletions(-)

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[cassandra] 01/01: Merge branch 'cassandra-3.11' into trunk

Posted by mc...@apache.org.
This is an automated email from the ASF dual-hosted git repository.

mck pushed a commit to branch trunk
in repository https://gitbox.apache.org/repos/asf/cassandra.git

commit 94603c656e09740d5e98e9434507e9f3223a060c
Merge: 5cbdb2e 5b93a87
Author: Mick Semb Wever <mc...@apache.org>
AuthorDate: Thu Apr 15 13:08:35 2021 +0200

    Merge branch 'cassandra-3.11' into trunk

 .circleci/config-2_1.yml     |   6 +-
 .circleci/config.yml         |  12 ++--
 .circleci/config.yml.HIGHRES |  12 ++--
 .circleci/config.yml.LOWRES  |  12 ++--
 .circleci/config.yml.MIDRES  |   6 +-
 build.xml                    | 164 ++++++++-----------------------------------
 6 files changed, 53 insertions(+), 159 deletions(-)

diff --cc .circleci/config-2_1.yml
index 15c9079,572ed69..77142c9
--- a/.circleci/config-2_1.yml
+++ b/.circleci/config-2_1.yml
@@@ -381,20 -180,6 +381,20 @@@ jobs
        - log_environment
        - run_parallel_junit_tests:
            classlistprefix: distributed
-           target: "testclasslist -Dtest.runners=1"
++          target: "testclasslist"
 +
 +  j11_jvm_dtests:
 +    <<: *j11_small_par_executor
 +    steps:
 +      - attach_workspace:
 +          at: /home/cassandra
 +      - create_junit_containers:
 +          classlistprefix: distributed
 +          extra_filters: "| grep -v upgrade"
 +      - log_environment
 +      - run_parallel_junit_tests:
 +          classlistprefix: distributed
-           target: "testclasslist -Dtest.runners=1"
++          target: "testclasslist"
  
    j8_jvm_upgrade_dtests:
      <<: *j8_medium_par_executor
@@@ -407,30 -192,6 +407,30 @@@
        - log_environment
        - run_parallel_junit_tests:
            classlistprefix: distributed
-           target: "testclasslist -Dtest.runners=1"
++          target: "testclasslist"
 +
 +  j11_unit_tests:
 +    <<: *j11_par_executor
 +    steps:
 +      - attach_workspace:
 +          at: /home/cassandra
 +      - create_junit_containers
 +      - log_environment
 +      - run_parallel_junit_tests
 +
 +  j8_cqlshlib_tests:
 +    <<: *j8_small_executor
 +    steps:
 +      - attach_workspace:
 +          at: /home/cassandra
 +      - run_cqlshlib_tests
 +
 +  j11_cqlshlib_tests:
 +    <<: *j11_small_executor
 +    steps:
 +      - attach_workspace:
 +          at: /home/cassandra
 +      - run_cqlshlib_tests
  
    utests_long:
      <<: *j8_seq_executor
diff --cc .circleci/config.yml
index 56f9bd9,53ee44c..069ca86
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@@ -76,1611 -76,8 +76,1611 @@@ jobs
          path: /tmp/cassandra/build/test/logs
          destination: logs
      environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +  j8_cqlsh-dtests-py2-with-vnodes:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11-w-dependencies:20210304
 +    resource_class: medium
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 4
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Clone Cassandra dtest Repository (via git)
 +        command: |
 +          git clone --single-branch --branch $DTEST_BRANCH --depth 1 $DTEST_REPO ~/cassandra-dtest
 +    - run:
 +        name: Configure virtualenv and python Dependencies
 +        command: |
 +          # note, this should be super quick as all dependencies should be pre-installed in the docker image
 +          # if additional dependencies were added to requirmeents.txt and the docker image hasn't been updated
 +          # we'd have to install it here at runtime -- which will make things slow, so do yourself a favor and
 +          # rebuild the docker image! (it automatically pulls the latest requirements.txt on build)
 +          source ~/env3.6/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          pip3 install --exists-action w --upgrade -r ~/cassandra-dtest/requirements.txt
 +          pip3 uninstall -y cqlsh
 +          pip3 freeze
 +    - run:
 +        name: Determine Tests to Run (j8_with_vnodes)
 +        no_output_timeout: 5m
 +        command: "# reminder: this code (along with all the steps) is independently executed on every circle container\n# so the goal here is to get the circleci script to return the tests *this* container will run\n# which we do via the `circleci` cli tool.\n\ncd cassandra-dtest\nsource ~/env3.6/bin/activate\nexport PATH=$JAVA_HOME/bin:$PATH\n\nif [ -n '' ]; then\n  export \nfi\n\necho \"***Collected DTests (j8_with_vnodes)***\"\nset -eo pipefail && ./run_dtests.py --use-vnodes --skip- [...]
 +    - run:
 +        name: Run dtests (j8_with_vnodes)
 +        no_output_timeout: 15m
 +        command: |
 +          echo "cat /tmp/split_dtest_tests_j8_with_vnodes_final.txt"
 +          cat /tmp/split_dtest_tests_j8_with_vnodes_final.txt
 +
 +          source ~/env3.6/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          if [ -n 'CQLSH_PYTHON=/usr/bin/python2.7' ]; then
 +            export CQLSH_PYTHON=/usr/bin/python2.7
 +          fi
 +
 +          java -version
 +          cd ~/cassandra-dtest
 +          mkdir -p /tmp/dtest
 +
 +          echo "env: $(env)"
 +          echo "** done env"
 +          mkdir -p /tmp/results/dtests
 +          # we need the "set -o pipefail" here so that the exit code that circleci will actually use is from pytest and not the exit code from tee
 +          export SPLIT_TESTS=`cat /tmp/split_dtest_tests_j8_with_vnodes_final.txt`
 +          set -o pipefail && cd ~/cassandra-dtest && pytest --use-vnodes --num-tokens=16 --skip-resource-intensive-tests --log-cli-level=DEBUG --junit-xml=/tmp/results/dtests/pytest_result_j8_with_vnodes.xml -s --cassandra-dir=/home/cassandra/cassandra --keep-test-dir $SPLIT_TESTS 2>&1 | tee /tmp/dtest/stdout.txt
 +    - store_test_results:
 +        path: /tmp/results
 +    - store_artifacts:
 +        path: /tmp/dtest
 +        destination: dtest_j8_with_vnodes
 +    - store_artifacts:
 +        path: ~/cassandra-dtest/logs
 +        destination: dtest_j8_with_vnodes_logs
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +  j11_unit_tests:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11:20210304
 +    resource_class: medium
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 4
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Determine unit Tests to Run
 +        command: |
 +          # reminder: this code (along with all the steps) is independently executed on every circle container
 +          # so the goal here is to get the circleci script to return the tests *this* container will run
 +          # which we do via the `circleci` cli tool.
 +
 +          rm -fr ~/cassandra-dtest/upgrade_tests
 +          echo "***java tests***"
 +
 +          # get all of our unit test filenames
 +          set -eo pipefail && circleci tests glob "$HOME/cassandra/test/unit/**/*.java" > /tmp/all_java_unit_tests.txt
 +
 +          # split up the unit tests into groups based on the number of containers we have
 +          set -eo pipefail && circleci tests split --split-by=timings --timings-type=filename --index=${CIRCLE_NODE_INDEX} --total=${CIRCLE_NODE_TOTAL} /tmp/all_java_unit_tests.txt > /tmp/java_tests_${CIRCLE_NODE_INDEX}.txt
 +          set -eo pipefail && cat /tmp/java_tests_${CIRCLE_NODE_INDEX}.txt | sed "s;^/home/cassandra/cassandra/test/unit/;;g" | grep "Test\.java$"  > /tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt
 +          echo "** /tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt"
 +          cat /tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt
 +        no_output_timeout: 15m
 +    - run:
 +        name: Log Environment Information
 +        command: |
 +          echo '*** id ***'
 +          id
 +          echo '*** cat /proc/cpuinfo ***'
 +          cat /proc/cpuinfo
 +          echo '*** free -m ***'
 +          free -m
 +          echo '*** df -m ***'
 +          df -m
 +          echo '*** ifconfig -a ***'
 +          ifconfig -a
 +          echo '*** uname -a ***'
 +          uname -a
 +          echo '*** mount ***'
 +          mount
 +          echo '*** env ***'
 +          env
 +          echo '*** java ***'
 +          which java
 +          java -version
 +    - run:
 +        name: Run Unit Tests (testclasslist)
 +        command: |
 +          set -x
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          time mv ~/cassandra /tmp
 +          cd /tmp/cassandra
 +          if [ -d ~/dtest_jars ]; then
 +            cp ~/dtest_jars/dtest* /tmp/cassandra/build/
 +          fi
 +          test_timeout=$(grep 'name="test.unit.timeout"' build.xml | awk -F'"' '{print $4}' || true)
 +          if [ -z "$test_timeout" ]; then
 +            test_timeout=$(grep 'name="test.timeout"' build.xml | awk -F'"' '{print $4}')
 +          fi
 +          ant testclasslist -Dtest.timeout="$test_timeout" -Dtest.classlistfile=/tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt  -Dtest.classlistprefix=unit
 +        no_output_timeout: 15m
 +    - store_test_results:
 +        path: /tmp/cassandra/build/test/output/
 +    - store_artifacts:
 +        path: /tmp/cassandra/build/test/output
 +        destination: junitxml
 +    - store_artifacts:
 +        path: /tmp/cassandra/build/test/logs
 +        destination: logs
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - CASSANDRA_USE_JDK11: true
 +  j8_cqlsh-dtests-py38-no-vnodes:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11-w-dependencies:20210304
 +    resource_class: medium
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 4
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Clone Cassandra dtest Repository (via git)
 +        command: |
 +          git clone --single-branch --branch $DTEST_BRANCH --depth 1 $DTEST_REPO ~/cassandra-dtest
 +    - run:
 +        name: Configure virtualenv and python Dependencies
 +        command: |
 +          # note, this should be super quick as all dependencies should be pre-installed in the docker image
 +          # if additional dependencies were added to requirmeents.txt and the docker image hasn't been updated
 +          # we'd have to install it here at runtime -- which will make things slow, so do yourself a favor and
 +          # rebuild the docker image! (it automatically pulls the latest requirements.txt on build)
 +          source ~/env3.8/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          pip3 install --exists-action w --upgrade -r ~/cassandra-dtest/requirements.txt
 +          pip3 uninstall -y cqlsh
 +          pip3 freeze
 +    - run:
 +        name: Determine Tests to Run (j8_without_vnodes)
 +        no_output_timeout: 5m
 +        command: "# reminder: this code (along with all the steps) is independently executed on every circle container\n# so the goal here is to get the circleci script to return the tests *this* container will run\n# which we do via the `circleci` cli tool.\n\ncd cassandra-dtest\nsource ~/env3.8/bin/activate\nexport PATH=$JAVA_HOME/bin:$PATH\n\nif [ -n '' ]; then\n  export \nfi\n\necho \"***Collected DTests (j8_without_vnodes)***\"\nset -eo pipefail && ./run_dtests.py --skip-resource-i [...]
 +    - run:
 +        name: Run dtests (j8_without_vnodes)
 +        no_output_timeout: 15m
 +        command: |
 +          echo "cat /tmp/split_dtest_tests_j8_without_vnodes_final.txt"
 +          cat /tmp/split_dtest_tests_j8_without_vnodes_final.txt
 +
 +          source ~/env3.8/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          if [ -n 'CQLSH_PYTHON=/usr/bin/python3.8' ]; then
 +            export CQLSH_PYTHON=/usr/bin/python3.8
 +          fi
 +
 +          java -version
 +          cd ~/cassandra-dtest
 +          mkdir -p /tmp/dtest
 +
 +          echo "env: $(env)"
 +          echo "** done env"
 +          mkdir -p /tmp/results/dtests
 +          # we need the "set -o pipefail" here so that the exit code that circleci will actually use is from pytest and not the exit code from tee
 +          export SPLIT_TESTS=`cat /tmp/split_dtest_tests_j8_without_vnodes_final.txt`
 +          set -o pipefail && cd ~/cassandra-dtest && pytest --skip-resource-intensive-tests --log-cli-level=DEBUG --junit-xml=/tmp/results/dtests/pytest_result_j8_without_vnodes.xml -s --cassandra-dir=/home/cassandra/cassandra --keep-test-dir $SPLIT_TESTS 2>&1 | tee /tmp/dtest/stdout.txt
 +    - store_test_results:
 +        path: /tmp/results
 +    - store_artifacts:
 +        path: /tmp/dtest
 +        destination: dtest_j8_without_vnodes
 +    - store_artifacts:
 +        path: ~/cassandra-dtest/logs
 +        destination: dtest_j8_without_vnodes_logs
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +  j11_cqlsh-dtests-py3-with-vnodes:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11:20210304
 +    resource_class: medium
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 4
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Clone Cassandra dtest Repository (via git)
 +        command: |
 +          git clone --single-branch --branch $DTEST_BRANCH --depth 1 $DTEST_REPO ~/cassandra-dtest
 +    - run:
 +        name: Configure virtualenv and python Dependencies
 +        command: |
 +          # note, this should be super quick as all dependencies should be pre-installed in the docker image
 +          # if additional dependencies were added to requirmeents.txt and the docker image hasn't been updated
 +          # we'd have to install it here at runtime -- which will make things slow, so do yourself a favor and
 +          # rebuild the docker image! (it automatically pulls the latest requirements.txt on build)
 +          source ~/env3.6/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          pip3 install --exists-action w --upgrade -r ~/cassandra-dtest/requirements.txt
 +          pip3 uninstall -y cqlsh
 +          pip3 freeze
 +    - run:
 +        name: Determine Tests to Run (j11_with_vnodes)
 +        no_output_timeout: 5m
 +        command: "# reminder: this code (along with all the steps) is independently executed on every circle container\n# so the goal here is to get the circleci script to return the tests *this* container will run\n# which we do via the `circleci` cli tool.\n\ncd cassandra-dtest\nsource ~/env3.6/bin/activate\nexport PATH=$JAVA_HOME/bin:$PATH\n\nif [ -n '' ]; then\n  export \nfi\n\necho \"***Collected DTests (j11_with_vnodes)***\"\nset -eo pipefail && ./run_dtests.py --use-vnodes --skip [...]
 +    - run:
 +        name: Run dtests (j11_with_vnodes)
 +        no_output_timeout: 15m
 +        command: |
 +          echo "cat /tmp/split_dtest_tests_j11_with_vnodes_final.txt"
 +          cat /tmp/split_dtest_tests_j11_with_vnodes_final.txt
 +
 +          source ~/env3.6/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          if [ -n 'CQLSH_PYTHON=/usr/bin/python3.6' ]; then
 +            export CQLSH_PYTHON=/usr/bin/python3.6
 +          fi
 +
 +          java -version
 +          cd ~/cassandra-dtest
 +          mkdir -p /tmp/dtest
 +
 +          echo "env: $(env)"
 +          echo "** done env"
 +          mkdir -p /tmp/results/dtests
 +          # we need the "set -o pipefail" here so that the exit code that circleci will actually use is from pytest and not the exit code from tee
 +          export SPLIT_TESTS=`cat /tmp/split_dtest_tests_j11_with_vnodes_final.txt`
 +          set -o pipefail && cd ~/cassandra-dtest && pytest --use-vnodes --num-tokens=16 --skip-resource-intensive-tests --log-cli-level=DEBUG --junit-xml=/tmp/results/dtests/pytest_result_j11_with_vnodes.xml -s --cassandra-dir=/home/cassandra/cassandra --keep-test-dir $SPLIT_TESTS 2>&1 | tee /tmp/dtest/stdout.txt
 +    - store_test_results:
 +        path: /tmp/results
 +    - store_artifacts:
 +        path: /tmp/dtest
 +        destination: dtest_j11_with_vnodes
 +    - store_artifacts:
 +        path: ~/cassandra-dtest/logs
 +        destination: dtest_j11_with_vnodes_logs
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - CASSANDRA_USE_JDK11: true
 +  j11_cqlsh-dtests-py3-no-vnodes:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11:20210304
 +    resource_class: medium
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 4
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Clone Cassandra dtest Repository (via git)
 +        command: |
 +          git clone --single-branch --branch $DTEST_BRANCH --depth 1 $DTEST_REPO ~/cassandra-dtest
 +    - run:
 +        name: Configure virtualenv and python Dependencies
 +        command: |
 +          # note, this should be super quick as all dependencies should be pre-installed in the docker image
 +          # if additional dependencies were added to requirmeents.txt and the docker image hasn't been updated
 +          # we'd have to install it here at runtime -- which will make things slow, so do yourself a favor and
 +          # rebuild the docker image! (it automatically pulls the latest requirements.txt on build)
 +          source ~/env3.6/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          pip3 install --exists-action w --upgrade -r ~/cassandra-dtest/requirements.txt
 +          pip3 uninstall -y cqlsh
 +          pip3 freeze
 +    - run:
 +        name: Determine Tests to Run (j11_without_vnodes)
 +        no_output_timeout: 5m
 +        command: "# reminder: this code (along with all the steps) is independently executed on every circle container\n# so the goal here is to get the circleci script to return the tests *this* container will run\n# which we do via the `circleci` cli tool.\n\ncd cassandra-dtest\nsource ~/env3.6/bin/activate\nexport PATH=$JAVA_HOME/bin:$PATH\n\nif [ -n '' ]; then\n  export \nfi\n\necho \"***Collected DTests (j11_without_vnodes)***\"\nset -eo pipefail && ./run_dtests.py --skip-resource- [...]
 +    - run:
 +        name: Run dtests (j11_without_vnodes)
 +        no_output_timeout: 15m
 +        command: |
 +          echo "cat /tmp/split_dtest_tests_j11_without_vnodes_final.txt"
 +          cat /tmp/split_dtest_tests_j11_without_vnodes_final.txt
 +
 +          source ~/env3.6/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          if [ -n 'CQLSH_PYTHON=/usr/bin/python3.6' ]; then
 +            export CQLSH_PYTHON=/usr/bin/python3.6
 +          fi
 +
 +          java -version
 +          cd ~/cassandra-dtest
 +          mkdir -p /tmp/dtest
 +
 +          echo "env: $(env)"
 +          echo "** done env"
 +          mkdir -p /tmp/results/dtests
 +          # we need the "set -o pipefail" here so that the exit code that circleci will actually use is from pytest and not the exit code from tee
 +          export SPLIT_TESTS=`cat /tmp/split_dtest_tests_j11_without_vnodes_final.txt`
 +          set -o pipefail && cd ~/cassandra-dtest && pytest --skip-resource-intensive-tests --log-cli-level=DEBUG --junit-xml=/tmp/results/dtests/pytest_result_j11_without_vnodes.xml -s --cassandra-dir=/home/cassandra/cassandra --keep-test-dir $SPLIT_TESTS 2>&1 | tee /tmp/dtest/stdout.txt
 +    - store_test_results:
 +        path: /tmp/results
 +    - store_artifacts:
 +        path: /tmp/dtest
 +        destination: dtest_j11_without_vnodes
 +    - store_artifacts:
 +        path: ~/cassandra-dtest/logs
 +        destination: dtest_j11_without_vnodes_logs
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - CASSANDRA_USE_JDK11: true
 +  j11_cqlsh-dtests-py38-with-vnodes:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11:20210304
 +    resource_class: medium
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 4
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Clone Cassandra dtest Repository (via git)
 +        command: |
 +          git clone --single-branch --branch $DTEST_BRANCH --depth 1 $DTEST_REPO ~/cassandra-dtest
 +    - run:
 +        name: Configure virtualenv and python Dependencies
 +        command: |
 +          # note, this should be super quick as all dependencies should be pre-installed in the docker image
 +          # if additional dependencies were added to requirmeents.txt and the docker image hasn't been updated
 +          # we'd have to install it here at runtime -- which will make things slow, so do yourself a favor and
 +          # rebuild the docker image! (it automatically pulls the latest requirements.txt on build)
 +          source ~/env3.8/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          pip3 install --exists-action w --upgrade -r ~/cassandra-dtest/requirements.txt
 +          pip3 uninstall -y cqlsh
 +          pip3 freeze
 +    - run:
 +        name: Determine Tests to Run (j11_with_vnodes)
 +        no_output_timeout: 5m
 +        command: "# reminder: this code (along with all the steps) is independently executed on every circle container\n# so the goal here is to get the circleci script to return the tests *this* container will run\n# which we do via the `circleci` cli tool.\n\ncd cassandra-dtest\nsource ~/env3.8/bin/activate\nexport PATH=$JAVA_HOME/bin:$PATH\n\nif [ -n '' ]; then\n  export \nfi\n\necho \"***Collected DTests (j11_with_vnodes)***\"\nset -eo pipefail && ./run_dtests.py --use-vnodes --skip [...]
 +    - run:
 +        name: Run dtests (j11_with_vnodes)
 +        no_output_timeout: 15m
 +        command: |
 +          echo "cat /tmp/split_dtest_tests_j11_with_vnodes_final.txt"
 +          cat /tmp/split_dtest_tests_j11_with_vnodes_final.txt
 +
 +          source ~/env3.8/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          if [ -n 'CQLSH_PYTHON=/usr/bin/python3.8' ]; then
 +            export CQLSH_PYTHON=/usr/bin/python3.8
 +          fi
 +
 +          java -version
 +          cd ~/cassandra-dtest
 +          mkdir -p /tmp/dtest
 +
 +          echo "env: $(env)"
 +          echo "** done env"
 +          mkdir -p /tmp/results/dtests
 +          # we need the "set -o pipefail" here so that the exit code that circleci will actually use is from pytest and not the exit code from tee
 +          export SPLIT_TESTS=`cat /tmp/split_dtest_tests_j11_with_vnodes_final.txt`
 +          set -o pipefail && cd ~/cassandra-dtest && pytest --use-vnodes --num-tokens=16 --skip-resource-intensive-tests --log-cli-level=DEBUG --junit-xml=/tmp/results/dtests/pytest_result_j11_with_vnodes.xml -s --cassandra-dir=/home/cassandra/cassandra --keep-test-dir $SPLIT_TESTS 2>&1 | tee /tmp/dtest/stdout.txt
 +    - store_test_results:
 +        path: /tmp/results
 +    - store_artifacts:
 +        path: /tmp/dtest
 +        destination: dtest_j11_with_vnodes
 +    - store_artifacts:
 +        path: ~/cassandra-dtest/logs
 +        destination: dtest_j11_with_vnodes_logs
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - CASSANDRA_USE_JDK11: true
 +  j8_cqlsh-dtests-py3-with-vnodes:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11-w-dependencies:20210304
 +    resource_class: medium
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 4
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Clone Cassandra dtest Repository (via git)
 +        command: |
 +          git clone --single-branch --branch $DTEST_BRANCH --depth 1 $DTEST_REPO ~/cassandra-dtest
 +    - run:
 +        name: Configure virtualenv and python Dependencies
 +        command: |
 +          # note, this should be super quick as all dependencies should be pre-installed in the docker image
 +          # if additional dependencies were added to requirmeents.txt and the docker image hasn't been updated
 +          # we'd have to install it here at runtime -- which will make things slow, so do yourself a favor and
 +          # rebuild the docker image! (it automatically pulls the latest requirements.txt on build)
 +          source ~/env3.6/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          pip3 install --exists-action w --upgrade -r ~/cassandra-dtest/requirements.txt
 +          pip3 uninstall -y cqlsh
 +          pip3 freeze
 +    - run:
 +        name: Determine Tests to Run (j8_with_vnodes)
 +        no_output_timeout: 5m
 +        command: "# reminder: this code (along with all the steps) is independently executed on every circle container\n# so the goal here is to get the circleci script to return the tests *this* container will run\n# which we do via the `circleci` cli tool.\n\ncd cassandra-dtest\nsource ~/env3.6/bin/activate\nexport PATH=$JAVA_HOME/bin:$PATH\n\nif [ -n '' ]; then\n  export \nfi\n\necho \"***Collected DTests (j8_with_vnodes)***\"\nset -eo pipefail && ./run_dtests.py --use-vnodes --skip- [...]
 +    - run:
 +        name: Run dtests (j8_with_vnodes)
 +        no_output_timeout: 15m
 +        command: |
 +          echo "cat /tmp/split_dtest_tests_j8_with_vnodes_final.txt"
 +          cat /tmp/split_dtest_tests_j8_with_vnodes_final.txt
 +
 +          source ~/env3.6/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          if [ -n 'CQLSH_PYTHON=/usr/bin/python3.6' ]; then
 +            export CQLSH_PYTHON=/usr/bin/python3.6
 +          fi
 +
 +          java -version
 +          cd ~/cassandra-dtest
 +          mkdir -p /tmp/dtest
 +
 +          echo "env: $(env)"
 +          echo "** done env"
 +          mkdir -p /tmp/results/dtests
 +          # we need the "set -o pipefail" here so that the exit code that circleci will actually use is from pytest and not the exit code from tee
 +          export SPLIT_TESTS=`cat /tmp/split_dtest_tests_j8_with_vnodes_final.txt`
 +          set -o pipefail && cd ~/cassandra-dtest && pytest --use-vnodes --num-tokens=16 --skip-resource-intensive-tests --log-cli-level=DEBUG --junit-xml=/tmp/results/dtests/pytest_result_j8_with_vnodes.xml -s --cassandra-dir=/home/cassandra/cassandra --keep-test-dir $SPLIT_TESTS 2>&1 | tee /tmp/dtest/stdout.txt
 +    - store_test_results:
 +        path: /tmp/results
 +    - store_artifacts:
 +        path: /tmp/dtest
 +        destination: dtest_j8_with_vnodes
 +    - store_artifacts:
 +        path: ~/cassandra-dtest/logs
 +        destination: dtest_j8_with_vnodes_logs
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +  j8_cqlsh-dtests-py2-no-vnodes:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11-w-dependencies:20210304
 +    resource_class: medium
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 4
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Clone Cassandra dtest Repository (via git)
 +        command: |
 +          git clone --single-branch --branch $DTEST_BRANCH --depth 1 $DTEST_REPO ~/cassandra-dtest
 +    - run:
 +        name: Configure virtualenv and python Dependencies
 +        command: |
 +          # note, this should be super quick as all dependencies should be pre-installed in the docker image
 +          # if additional dependencies were added to requirmeents.txt and the docker image hasn't been updated
 +          # we'd have to install it here at runtime -- which will make things slow, so do yourself a favor and
 +          # rebuild the docker image! (it automatically pulls the latest requirements.txt on build)
 +          source ~/env3.6/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          pip3 install --exists-action w --upgrade -r ~/cassandra-dtest/requirements.txt
 +          pip3 uninstall -y cqlsh
 +          pip3 freeze
 +    - run:
 +        name: Determine Tests to Run (j8_without_vnodes)
 +        no_output_timeout: 5m
 +        command: "# reminder: this code (along with all the steps) is independently executed on every circle container\n# so the goal here is to get the circleci script to return the tests *this* container will run\n# which we do via the `circleci` cli tool.\n\ncd cassandra-dtest\nsource ~/env3.6/bin/activate\nexport PATH=$JAVA_HOME/bin:$PATH\n\nif [ -n '' ]; then\n  export \nfi\n\necho \"***Collected DTests (j8_without_vnodes)***\"\nset -eo pipefail && ./run_dtests.py --skip-resource-i [...]
 +    - run:
 +        name: Run dtests (j8_without_vnodes)
 +        no_output_timeout: 15m
 +        command: |
 +          echo "cat /tmp/split_dtest_tests_j8_without_vnodes_final.txt"
 +          cat /tmp/split_dtest_tests_j8_without_vnodes_final.txt
 +
 +          source ~/env3.6/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          if [ -n 'CQLSH_PYTHON=/usr/bin/python2.7' ]; then
 +            export CQLSH_PYTHON=/usr/bin/python2.7
 +          fi
 +
 +          java -version
 +          cd ~/cassandra-dtest
 +          mkdir -p /tmp/dtest
 +
 +          echo "env: $(env)"
 +          echo "** done env"
 +          mkdir -p /tmp/results/dtests
 +          # we need the "set -o pipefail" here so that the exit code that circleci will actually use is from pytest and not the exit code from tee
 +          export SPLIT_TESTS=`cat /tmp/split_dtest_tests_j8_without_vnodes_final.txt`
 +          set -o pipefail && cd ~/cassandra-dtest && pytest --skip-resource-intensive-tests --log-cli-level=DEBUG --junit-xml=/tmp/results/dtests/pytest_result_j8_without_vnodes.xml -s --cassandra-dir=/home/cassandra/cassandra --keep-test-dir $SPLIT_TESTS 2>&1 | tee /tmp/dtest/stdout.txt
 +    - store_test_results:
 +        path: /tmp/results
 +    - store_artifacts:
 +        path: /tmp/dtest
 +        destination: dtest_j8_without_vnodes
 +    - store_artifacts:
 +        path: ~/cassandra-dtest/logs
 +        destination: dtest_j8_without_vnodes_logs
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +  j11_cqlsh-dtests-py2-with-vnodes:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11:20210304
 +    resource_class: medium
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 4
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Clone Cassandra dtest Repository (via git)
 +        command: |
 +          git clone --single-branch --branch $DTEST_BRANCH --depth 1 $DTEST_REPO ~/cassandra-dtest
 +    - run:
 +        name: Configure virtualenv and python Dependencies
 +        command: |
 +          # note, this should be super quick as all dependencies should be pre-installed in the docker image
 +          # if additional dependencies were added to requirmeents.txt and the docker image hasn't been updated
 +          # we'd have to install it here at runtime -- which will make things slow, so do yourself a favor and
 +          # rebuild the docker image! (it automatically pulls the latest requirements.txt on build)
 +          source ~/env3.6/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          pip3 install --exists-action w --upgrade -r ~/cassandra-dtest/requirements.txt
 +          pip3 uninstall -y cqlsh
 +          pip3 freeze
 +    - run:
 +        name: Determine Tests to Run (j11_with_vnodes)
 +        no_output_timeout: 5m
 +        command: "# reminder: this code (along with all the steps) is independently executed on every circle container\n# so the goal here is to get the circleci script to return the tests *this* container will run\n# which we do via the `circleci` cli tool.\n\ncd cassandra-dtest\nsource ~/env3.6/bin/activate\nexport PATH=$JAVA_HOME/bin:$PATH\n\nif [ -n '' ]; then\n  export \nfi\n\necho \"***Collected DTests (j11_with_vnodes)***\"\nset -eo pipefail && ./run_dtests.py --use-vnodes --skip [...]
 +    - run:
 +        name: Run dtests (j11_with_vnodes)
 +        no_output_timeout: 15m
 +        command: |
 +          echo "cat /tmp/split_dtest_tests_j11_with_vnodes_final.txt"
 +          cat /tmp/split_dtest_tests_j11_with_vnodes_final.txt
 +
 +          source ~/env3.6/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          if [ -n 'CQLSH_PYTHON=/usr/bin/python2.7' ]; then
 +            export CQLSH_PYTHON=/usr/bin/python2.7
 +          fi
 +
 +          java -version
 +          cd ~/cassandra-dtest
 +          mkdir -p /tmp/dtest
 +
 +          echo "env: $(env)"
 +          echo "** done env"
 +          mkdir -p /tmp/results/dtests
 +          # we need the "set -o pipefail" here so that the exit code that circleci will actually use is from pytest and not the exit code from tee
 +          export SPLIT_TESTS=`cat /tmp/split_dtest_tests_j11_with_vnodes_final.txt`
 +          set -o pipefail && cd ~/cassandra-dtest && pytest --use-vnodes --num-tokens=16 --skip-resource-intensive-tests --log-cli-level=DEBUG --junit-xml=/tmp/results/dtests/pytest_result_j11_with_vnodes.xml -s --cassandra-dir=/home/cassandra/cassandra --keep-test-dir $SPLIT_TESTS 2>&1 | tee /tmp/dtest/stdout.txt
 +    - store_test_results:
 +        path: /tmp/results
 +    - store_artifacts:
 +        path: /tmp/dtest
 +        destination: dtest_j11_with_vnodes
 +    - store_artifacts:
 +        path: ~/cassandra-dtest/logs
 +        destination: dtest_j11_with_vnodes_logs
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - CASSANDRA_USE_JDK11: true
 +  j11_dtests-with-vnodes:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11:20210304
 +    resource_class: medium
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 4
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Log Environment Information
 +        command: |
 +          echo '*** id ***'
 +          id
 +          echo '*** cat /proc/cpuinfo ***'
 +          cat /proc/cpuinfo
 +          echo '*** free -m ***'
 +          free -m
 +          echo '*** df -m ***'
 +          df -m
 +          echo '*** ifconfig -a ***'
 +          ifconfig -a
 +          echo '*** uname -a ***'
 +          uname -a
 +          echo '*** mount ***'
 +          mount
 +          echo '*** env ***'
 +          env
 +          echo '*** java ***'
 +          which java
 +          java -version
 +    - run:
 +        name: Clone Cassandra dtest Repository (via git)
 +        command: |
 +          git clone --single-branch --branch $DTEST_BRANCH --depth 1 $DTEST_REPO ~/cassandra-dtest
 +    - run:
 +        name: Configure virtualenv and python Dependencies
 +        command: |
 +          # note, this should be super quick as all dependencies should be pre-installed in the docker image
 +          # if additional dependencies were added to requirmeents.txt and the docker image hasn't been updated
 +          # we'd have to install it here at runtime -- which will make things slow, so do yourself a favor and
 +          # rebuild the docker image! (it automatically pulls the latest requirements.txt on build)
 +          source ~/env3.6/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          pip3 install --exists-action w --upgrade -r ~/cassandra-dtest/requirements.txt
 +          pip3 uninstall -y cqlsh
 +          pip3 freeze
 +    - run:
 +        name: Determine Tests to Run (j11_with_vnodes)
 +        no_output_timeout: 5m
 +        command: "# reminder: this code (along with all the steps) is independently executed on every circle container\n# so the goal here is to get the circleci script to return the tests *this* container will run\n# which we do via the `circleci` cli tool.\n\ncd cassandra-dtest\nsource ~/env3.6/bin/activate\nexport PATH=$JAVA_HOME/bin:$PATH\n\nif [ -n '' ]; then\n  export \nfi\n\necho \"***Collected DTests (j11_with_vnodes)***\"\nset -eo pipefail && ./run_dtests.py --use-vnodes --skip [...]
 +    - run:
 +        name: Run dtests (j11_with_vnodes)
 +        no_output_timeout: 15m
 +        command: "echo \"cat /tmp/split_dtest_tests_j11_with_vnodes_final.txt\"\ncat /tmp/split_dtest_tests_j11_with_vnodes_final.txt\n\nsource ~/env3.6/bin/activate\nexport PATH=$JAVA_HOME/bin:$PATH\nif [ -n '' ]; then\n  export \nfi\n\njava -version\ncd ~/cassandra-dtest\nmkdir -p /tmp/dtest\n\necho \"env: $(env)\"\necho \"** done env\"\nmkdir -p /tmp/results/dtests\n# we need the \"set -o pipefail\" here so that the exit code that circleci will actually use is from pytest and not the [...]
 +    - store_test_results:
 +        path: /tmp/results
 +    - store_artifacts:
 +        path: /tmp/dtest
 +        destination: dtest_j11_with_vnodes
 +    - store_artifacts:
 +        path: ~/cassandra-dtest/logs
 +        destination: dtest_j11_with_vnodes_logs
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - CASSANDRA_USE_JDK11: true
 +  j8_dtests-no-vnodes:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11-w-dependencies:20210304
 +    resource_class: medium
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 4
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Clone Cassandra dtest Repository (via git)
 +        command: |
 +          git clone --single-branch --branch $DTEST_BRANCH --depth 1 $DTEST_REPO ~/cassandra-dtest
 +    - run:
 +        name: Configure virtualenv and python Dependencies
 +        command: |
 +          # note, this should be super quick as all dependencies should be pre-installed in the docker image
 +          # if additional dependencies were added to requirmeents.txt and the docker image hasn't been updated
 +          # we'd have to install it here at runtime -- which will make things slow, so do yourself a favor and
 +          # rebuild the docker image! (it automatically pulls the latest requirements.txt on build)
 +          source ~/env3.6/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          pip3 install --exists-action w --upgrade -r ~/cassandra-dtest/requirements.txt
 +          pip3 uninstall -y cqlsh
 +          pip3 freeze
 +    - run:
 +        name: Determine Tests to Run (j8_without_vnodes)
 +        no_output_timeout: 5m
 +        command: "# reminder: this code (along with all the steps) is independently executed on every circle container\n# so the goal here is to get the circleci script to return the tests *this* container will run\n# which we do via the `circleci` cli tool.\n\ncd cassandra-dtest\nsource ~/env3.6/bin/activate\nexport PATH=$JAVA_HOME/bin:$PATH\n\nif [ -n '' ]; then\n  export \nfi\n\necho \"***Collected DTests (j8_without_vnodes)***\"\nset -eo pipefail && ./run_dtests.py --skip-resource-i [...]
 +    - run:
 +        name: Run dtests (j8_without_vnodes)
 +        no_output_timeout: 15m
 +        command: "echo \"cat /tmp/split_dtest_tests_j8_without_vnodes_final.txt\"\ncat /tmp/split_dtest_tests_j8_without_vnodes_final.txt\n\nsource ~/env3.6/bin/activate\nexport PATH=$JAVA_HOME/bin:$PATH\nif [ -n '' ]; then\n  export \nfi\n\njava -version\ncd ~/cassandra-dtest\nmkdir -p /tmp/dtest\n\necho \"env: $(env)\"\necho \"** done env\"\nmkdir -p /tmp/results/dtests\n# we need the \"set -o pipefail\" here so that the exit code that circleci will actually use is from pytest and not [...]
 +    - store_test_results:
 +        path: /tmp/results
 +    - store_artifacts:
 +        path: /tmp/dtest
 +        destination: dtest_j8_without_vnodes
 +    - store_artifacts:
 +        path: ~/cassandra-dtest/logs
 +        destination: dtest_j8_without_vnodes_logs
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +  j8_upgradetests-no-vnodes:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11-w-dependencies:20210304
 +    resource_class: medium
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 4
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Clone Cassandra dtest Repository (via git)
 +        command: |
 +          git clone --single-branch --branch $DTEST_BRANCH --depth 1 $DTEST_REPO ~/cassandra-dtest
 +    - run:
 +        name: Configure virtualenv and python Dependencies
 +        command: |
 +          # note, this should be super quick as all dependencies should be pre-installed in the docker image
 +          # if additional dependencies were added to requirmeents.txt and the docker image hasn't been updated
 +          # we'd have to install it here at runtime -- which will make things slow, so do yourself a favor and
 +          # rebuild the docker image! (it automatically pulls the latest requirements.txt on build)
 +          source ~/env3.6/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          pip3 install --exists-action w --upgrade -r ~/cassandra-dtest/requirements.txt
 +          pip3 uninstall -y cqlsh
 +          pip3 freeze
 +    - run:
 +        name: Determine Tests to Run (j8_upgradetests_without_vnodes)
 +        no_output_timeout: 5m
 +        command: "# reminder: this code (along with all the steps) is independently executed on every circle container\n# so the goal here is to get the circleci script to return the tests *this* container will run\n# which we do via the `circleci` cli tool.\n\ncd cassandra-dtest\nsource ~/env3.6/bin/activate\nexport PATH=$JAVA_HOME/bin:$PATH\n\nif [ -n '' ]; then\n  export \nfi\n\necho \"***Collected DTests (j8_upgradetests_without_vnodes)***\"\nset -eo pipefail && ./run_dtests.py --ex [...]
 +    - run:
 +        name: Run dtests (j8_upgradetests_without_vnodes)
 +        no_output_timeout: 15m
 +        command: "echo \"cat /tmp/split_dtest_tests_j8_upgradetests_without_vnodes_final.txt\"\ncat /tmp/split_dtest_tests_j8_upgradetests_without_vnodes_final.txt\n\nsource ~/env3.6/bin/activate\nexport PATH=$JAVA_HOME/bin:$PATH\nif [ -n '' ]; then\n  export \nfi\n\njava -version\ncd ~/cassandra-dtest\nmkdir -p /tmp/dtest\n\necho \"env: $(env)\"\necho \"** done env\"\nmkdir -p /tmp/results/dtests\n# we need the \"set -o pipefail\" here so that the exit code that circleci will actually  [...]
 +    - store_test_results:
 +        path: /tmp/results
 +    - store_artifacts:
 +        path: /tmp/dtest
 +        destination: dtest_j8_upgradetests_without_vnodes
 +    - store_artifacts:
 +        path: ~/cassandra-dtest/logs
 +        destination: dtest_j8_upgradetests_without_vnodes_logs
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +  utests_stress:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11-w-dependencies:20210304
 +    resource_class: medium
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 1
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Run Unit Tests (stress-test)
 +        command: |
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          time mv ~/cassandra /tmp
 +          cd /tmp/cassandra
 +          if [ -d ~/dtest_jars ]; then
 +            cp ~/dtest_jars/dtest* /tmp/cassandra/build/
 +          fi
 +          ant stress-test
 +        no_output_timeout: 15m
 +    - store_test_results:
 +        path: /tmp/cassandra/build/test/output/
 +    - store_artifacts:
 +        path: /tmp/cassandra/build/test/output
 +        destination: junitxml
 +    - store_artifacts:
 +        path: /tmp/cassandra/build/test/logs
 +        destination: logs
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +  j8_unit_tests:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11-w-dependencies:20210304
 +    resource_class: medium
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 4
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Determine unit Tests to Run
 +        command: |
 +          # reminder: this code (along with all the steps) is independently executed on every circle container
 +          # so the goal here is to get the circleci script to return the tests *this* container will run
 +          # which we do via the `circleci` cli tool.
 +
 +          rm -fr ~/cassandra-dtest/upgrade_tests
 +          echo "***java tests***"
 +
 +          # get all of our unit test filenames
 +          set -eo pipefail && circleci tests glob "$HOME/cassandra/test/unit/**/*.java" > /tmp/all_java_unit_tests.txt
 +
 +          # split up the unit tests into groups based on the number of containers we have
 +          set -eo pipefail && circleci tests split --split-by=timings --timings-type=filename --index=${CIRCLE_NODE_INDEX} --total=${CIRCLE_NODE_TOTAL} /tmp/all_java_unit_tests.txt > /tmp/java_tests_${CIRCLE_NODE_INDEX}.txt
 +          set -eo pipefail && cat /tmp/java_tests_${CIRCLE_NODE_INDEX}.txt | sed "s;^/home/cassandra/cassandra/test/unit/;;g" | grep "Test\.java$"  > /tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt
 +          echo "** /tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt"
 +          cat /tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt
 +        no_output_timeout: 15m
 +    - run:
 +        name: Log Environment Information
 +        command: |
 +          echo '*** id ***'
 +          id
 +          echo '*** cat /proc/cpuinfo ***'
 +          cat /proc/cpuinfo
 +          echo '*** free -m ***'
 +          free -m
 +          echo '*** df -m ***'
 +          df -m
 +          echo '*** ifconfig -a ***'
 +          ifconfig -a
 +          echo '*** uname -a ***'
 +          uname -a
 +          echo '*** mount ***'
 +          mount
 +          echo '*** env ***'
 +          env
 +          echo '*** java ***'
 +          which java
 +          java -version
 +    - run:
 +        name: Run Unit Tests (testclasslist)
 +        command: |
 +          set -x
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          time mv ~/cassandra /tmp
 +          cd /tmp/cassandra
 +          if [ -d ~/dtest_jars ]; then
 +            cp ~/dtest_jars/dtest* /tmp/cassandra/build/
 +          fi
 +          test_timeout=$(grep 'name="test.unit.timeout"' build.xml | awk -F'"' '{print $4}' || true)
 +          if [ -z "$test_timeout" ]; then
 +            test_timeout=$(grep 'name="test.timeout"' build.xml | awk -F'"' '{print $4}')
 +          fi
 +          ant testclasslist -Dtest.timeout="$test_timeout" -Dtest.classlistfile=/tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt  -Dtest.classlistprefix=unit
 +        no_output_timeout: 15m
 +    - store_test_results:
 +        path: /tmp/cassandra/build/test/output/
 +    - store_artifacts:
 +        path: /tmp/cassandra/build/test/output
 +        destination: junitxml
 +    - store_artifacts:
 +        path: /tmp/cassandra/build/test/logs
 +        destination: logs
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +  j11_jvm_dtests:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11:20210304
 +    resource_class: medium
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 1
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Determine distributed Tests to Run
 +        command: |
 +          # reminder: this code (along with all the steps) is independently executed on every circle container
 +          # so the goal here is to get the circleci script to return the tests *this* container will run
 +          # which we do via the `circleci` cli tool.
 +
 +          rm -fr ~/cassandra-dtest/upgrade_tests
 +          echo "***java tests***"
 +
 +          # get all of our unit test filenames
 +          set -eo pipefail && circleci tests glob "$HOME/cassandra/test/distributed/**/*.java" > /tmp/all_java_unit_tests.txt
 +
 +          # split up the unit tests into groups based on the number of containers we have
 +          set -eo pipefail && circleci tests split --split-by=timings --timings-type=filename --index=${CIRCLE_NODE_INDEX} --total=${CIRCLE_NODE_TOTAL} /tmp/all_java_unit_tests.txt > /tmp/java_tests_${CIRCLE_NODE_INDEX}.txt
 +          set -eo pipefail && cat /tmp/java_tests_${CIRCLE_NODE_INDEX}.txt | sed "s;^/home/cassandra/cassandra/test/distributed/;;g" | grep "Test\.java$" | grep -v upgrade > /tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt
 +          echo "** /tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt"
 +          cat /tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt
 +        no_output_timeout: 15m
 +    - run:
 +        name: Log Environment Information
 +        command: |
 +          echo '*** id ***'
 +          id
 +          echo '*** cat /proc/cpuinfo ***'
 +          cat /proc/cpuinfo
 +          echo '*** free -m ***'
 +          free -m
 +          echo '*** df -m ***'
 +          df -m
 +          echo '*** ifconfig -a ***'
 +          ifconfig -a
 +          echo '*** uname -a ***'
 +          uname -a
 +          echo '*** mount ***'
 +          mount
 +          echo '*** env ***'
 +          env
 +          echo '*** java ***'
 +          which java
 +          java -version
 +    - run:
-         name: Run Unit Tests (testclasslist -Dtest.runners=1)
++        name: Run Unit Tests (testclasslist)
 +        command: |
 +          set -x
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          time mv ~/cassandra /tmp
 +          cd /tmp/cassandra
 +          if [ -d ~/dtest_jars ]; then
 +            cp ~/dtest_jars/dtest* /tmp/cassandra/build/
 +          fi
 +          test_timeout=$(grep 'name="test.distributed.timeout"' build.xml | awk -F'"' '{print $4}' || true)
 +          if [ -z "$test_timeout" ]; then
 +            test_timeout=$(grep 'name="test.timeout"' build.xml | awk -F'"' '{print $4}')
 +          fi
-           ant testclasslist -Dtest.runners=1 -Dtest.timeout="$test_timeout" -Dtest.classlistfile=/tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt  -Dtest.classlistprefix=distributed
++          ant testclasslist -Dtest.timeout="$test_timeout" -Dtest.classlistfile=/tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt  -Dtest.classlistprefix=distributed
 +        no_output_timeout: 15m
 +    - store_test_results:
 +        path: /tmp/cassandra/build/test/output/
 +    - store_artifacts:
 +        path: /tmp/cassandra/build/test/output
 +        destination: junitxml
 +    - store_artifacts:
 +        path: /tmp/cassandra/build/test/logs
 +        destination: logs
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - CASSANDRA_USE_JDK11: true
 +  j11_build:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11:20210304
 +    resource_class: medium
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 1
 +    steps:
 +    - run:
 +        name: Log Environment Information
 +        command: |
 +          echo '*** id ***'
 +          id
 +          echo '*** cat /proc/cpuinfo ***'
 +          cat /proc/cpuinfo
 +          echo '*** free -m ***'
 +          free -m
 +          echo '*** df -m ***'
 +          df -m
 +          echo '*** ifconfig -a ***'
 +          ifconfig -a
 +          echo '*** uname -a ***'
 +          uname -a
 +          echo '*** mount ***'
 +          mount
 +          echo '*** env ***'
 +          env
 +          echo '*** java ***'
 +          which java
 +          java -version
 +    - run:
 +        name: Clone Cassandra Repository (via git)
 +        command: |
 +          git clone --single-branch --depth 1 --branch $CIRCLE_BRANCH git://github.com/$CIRCLE_PROJECT_USERNAME/$CIRCLE_PROJECT_REPONAME.git ~/cassandra
 +    - run:
 +        name: Build Cassandra
 +        command: |
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          cd ~/cassandra
 +          # Loop to prevent failure due to maven-ant-tasks not downloading a jar..
 +          for x in $(seq 1 3); do
 +              ${ANT_HOME}/bin/ant clean realclean jar
 +              RETURN="$?"
 +              if [ "${RETURN}" -eq "0" ]; then
 +                  break
 +              fi
 +          done
 +          # Exit, if we didn't build successfully
 +          if [ "${RETURN}" -ne "0" ]; then
 +              echo "Build failed with exit code: ${RETURN}"
 +              exit ${RETURN}
 +          fi
 +        no_output_timeout: 15m
 +    - run:
 +        name: Run eclipse-warnings
 +        command: |
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          cd ~/cassandra
 +          ant eclipse-warnings
 +    - persist_to_workspace:
 +        root: /home/cassandra
 +        paths:
 +        - cassandra
 +        - .m2
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - CASSANDRA_USE_JDK11: true
 +  j11_cqlsh-dtests-py2-no-vnodes:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11:20210304
 +    resource_class: medium
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 4
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Clone Cassandra dtest Repository (via git)
 +        command: |
 +          git clone --single-branch --branch $DTEST_BRANCH --depth 1 $DTEST_REPO ~/cassandra-dtest
 +    - run:
 +        name: Configure virtualenv and python Dependencies
 +        command: |
 +          # note, this should be super quick as all dependencies should be pre-installed in the docker image
 +          # if additional dependencies were added to requirmeents.txt and the docker image hasn't been updated
 +          # we'd have to install it here at runtime -- which will make things slow, so do yourself a favor and
 +          # rebuild the docker image! (it automatically pulls the latest requirements.txt on build)
 +          source ~/env3.6/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          pip3 install --exists-action w --upgrade -r ~/cassandra-dtest/requirements.txt
 +          pip3 uninstall -y cqlsh
 +          pip3 freeze
 +    - run:
 +        name: Determine Tests to Run (j11_without_vnodes)
 +        no_output_timeout: 5m
 +        command: "# reminder: this code (along with all the steps) is independently executed on every circle container\n# so the goal here is to get the circleci script to return the tests *this* container will run\n# which we do via the `circleci` cli tool.\n\ncd cassandra-dtest\nsource ~/env3.6/bin/activate\nexport PATH=$JAVA_HOME/bin:$PATH\n\nif [ -n '' ]; then\n  export \nfi\n\necho \"***Collected DTests (j11_without_vnodes)***\"\nset -eo pipefail && ./run_dtests.py --skip-resource- [...]
 +    - run:
 +        name: Run dtests (j11_without_vnodes)
 +        no_output_timeout: 15m
 +        command: |
 +          echo "cat /tmp/split_dtest_tests_j11_without_vnodes_final.txt"
 +          cat /tmp/split_dtest_tests_j11_without_vnodes_final.txt
 +
 +          source ~/env3.6/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          if [ -n 'CQLSH_PYTHON=/usr/bin/python2.7' ]; then
 +            export CQLSH_PYTHON=/usr/bin/python2.7
 +          fi
 +
 +          java -version
 +          cd ~/cassandra-dtest
 +          mkdir -p /tmp/dtest
 +
 +          echo "env: $(env)"
 +          echo "** done env"
 +          mkdir -p /tmp/results/dtests
 +          # we need the "set -o pipefail" here so that the exit code that circleci will actually use is from pytest and not the exit code from tee
 +          export SPLIT_TESTS=`cat /tmp/split_dtest_tests_j11_without_vnodes_final.txt`
 +          set -o pipefail && cd ~/cassandra-dtest && pytest --skip-resource-intensive-tests --log-cli-level=DEBUG --junit-xml=/tmp/results/dtests/pytest_result_j11_without_vnodes.xml -s --cassandra-dir=/home/cassandra/cassandra --keep-test-dir $SPLIT_TESTS 2>&1 | tee /tmp/dtest/stdout.txt
 +    - store_test_results:
 +        path: /tmp/results
 +    - store_artifacts:
 +        path: /tmp/dtest
 +        destination: dtest_j11_without_vnodes
 +    - store_artifacts:
 +        path: ~/cassandra-dtest/logs
 +        destination: dtest_j11_without_vnodes_logs
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - CASSANDRA_USE_JDK11: true
 +  j11_cqlshlib_tests:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11:20210304
 +    resource_class: medium
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 1
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Run cqlshlib Unit Tests
 +        command: |
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          time mv ~/cassandra /tmp
 +          cd /tmp/cassandra/pylib
 +          ./cassandra-cqlsh-tests.sh ..
 +        no_output_timeout: 15m
 +    - store_test_results:
 +        path: /tmp/cassandra/pylib
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - CASSANDRA_USE_JDK11: true
 +  j8_dtests-with-vnodes:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11-w-dependencies:20210304
 +    resource_class: medium
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 4
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Clone Cassandra dtest Repository (via git)
 +        command: |
 +          git clone --single-branch --branch $DTEST_BRANCH --depth 1 $DTEST_REPO ~/cassandra-dtest
 +    - run:
 +        name: Configure virtualenv and python Dependencies
 +        command: |
 +          # note, this should be super quick as all dependencies should be pre-installed in the docker image
 +          # if additional dependencies were added to requirmeents.txt and the docker image hasn't been updated
 +          # we'd have to install it here at runtime -- which will make things slow, so do yourself a favor and
 +          # rebuild the docker image! (it automatically pulls the latest requirements.txt on build)
 +          source ~/env3.6/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          pip3 install --exists-action w --upgrade -r ~/cassandra-dtest/requirements.txt
 +          pip3 uninstall -y cqlsh
 +          pip3 freeze
 +    - run:
 +        name: Determine Tests to Run (j8_with_vnodes)
 +        no_output_timeout: 5m
 +        command: "# reminder: this code (along with all the steps) is independently executed on every circle container\n# so the goal here is to get the circleci script to return the tests *this* container will run\n# which we do via the `circleci` cli tool.\n\ncd cassandra-dtest\nsource ~/env3.6/bin/activate\nexport PATH=$JAVA_HOME/bin:$PATH\n\nif [ -n '' ]; then\n  export \nfi\n\necho \"***Collected DTests (j8_with_vnodes)***\"\nset -eo pipefail && ./run_dtests.py --use-vnodes --skip- [...]
 +    - run:
 +        name: Run dtests (j8_with_vnodes)
 +        no_output_timeout: 15m
 +        command: "echo \"cat /tmp/split_dtest_tests_j8_with_vnodes_final.txt\"\ncat /tmp/split_dtest_tests_j8_with_vnodes_final.txt\n\nsource ~/env3.6/bin/activate\nexport PATH=$JAVA_HOME/bin:$PATH\nif [ -n '' ]; then\n  export \nfi\n\njava -version\ncd ~/cassandra-dtest\nmkdir -p /tmp/dtest\n\necho \"env: $(env)\"\necho \"** done env\"\nmkdir -p /tmp/results/dtests\n# we need the \"set -o pipefail\" here so that the exit code that circleci will actually use is from pytest and not the e [...]
 +    - store_test_results:
 +        path: /tmp/results
 +    - store_artifacts:
 +        path: /tmp/dtest
 +        destination: dtest_j8_with_vnodes
 +    - store_artifacts:
 +        path: ~/cassandra-dtest/logs
 +        destination: dtest_j8_with_vnodes_logs
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +  j11_cqlsh-dtests-py38-no-vnodes:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11:20210304
 +    resource_class: medium
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 4
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Clone Cassandra dtest Repository (via git)
 +        command: |
 +          git clone --single-branch --branch $DTEST_BRANCH --depth 1 $DTEST_REPO ~/cassandra-dtest
 +    - run:
 +        name: Configure virtualenv and python Dependencies
 +        command: |
 +          # note, this should be super quick as all dependencies should be pre-installed in the docker image
 +          # if additional dependencies were added to requirmeents.txt and the docker image hasn't been updated
 +          # we'd have to install it here at runtime -- which will make things slow, so do yourself a favor and
 +          # rebuild the docker image! (it automatically pulls the latest requirements.txt on build)
 +          source ~/env3.8/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          pip3 install --exists-action w --upgrade -r ~/cassandra-dtest/requirements.txt
 +          pip3 uninstall -y cqlsh
 +          pip3 freeze
 +    - run:
 +        name: Determine Tests to Run (j11_without_vnodes)
 +        no_output_timeout: 5m
 +        command: "# reminder: this code (along with all the steps) is independently executed on every circle container\n# so the goal here is to get the circleci script to return the tests *this* container will run\n# which we do via the `circleci` cli tool.\n\ncd cassandra-dtest\nsource ~/env3.8/bin/activate\nexport PATH=$JAVA_HOME/bin:$PATH\n\nif [ -n '' ]; then\n  export \nfi\n\necho \"***Collected DTests (j11_without_vnodes)***\"\nset -eo pipefail && ./run_dtests.py --skip-resource- [...]
 +    - run:
 +        name: Run dtests (j11_without_vnodes)
 +        no_output_timeout: 15m
 +        command: |
 +          echo "cat /tmp/split_dtest_tests_j11_without_vnodes_final.txt"
 +          cat /tmp/split_dtest_tests_j11_without_vnodes_final.txt
 +
 +          source ~/env3.8/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          if [ -n 'CQLSH_PYTHON=/usr/bin/python3.8' ]; then
 +            export CQLSH_PYTHON=/usr/bin/python3.8
 +          fi
 +
 +          java -version
 +          cd ~/cassandra-dtest
 +          mkdir -p /tmp/dtest
 +
 +          echo "env: $(env)"
 +          echo "** done env"
 +          mkdir -p /tmp/results/dtests
 +          # we need the "set -o pipefail" here so that the exit code that circleci will actually use is from pytest and not the exit code from tee
 +          export SPLIT_TESTS=`cat /tmp/split_dtest_tests_j11_without_vnodes_final.txt`
 +          set -o pipefail && cd ~/cassandra-dtest && pytest --skip-resource-intensive-tests --log-cli-level=DEBUG --junit-xml=/tmp/results/dtests/pytest_result_j11_without_vnodes.xml -s --cassandra-dir=/home/cassandra/cassandra --keep-test-dir $SPLIT_TESTS 2>&1 | tee /tmp/dtest/stdout.txt
 +    - store_test_results:
 +        path: /tmp/results
 +    - store_artifacts:
 +        path: /tmp/dtest
 +        destination: dtest_j11_without_vnodes
 +    - store_artifacts:
 +        path: ~/cassandra-dtest/logs
 +        destination: dtest_j11_without_vnodes_logs
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
      - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - CASSANDRA_USE_JDK11: true
 +  j8_jvm_dtests:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11-w-dependencies:20210304
 +    resource_class: medium
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 1
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Determine distributed Tests to Run
 +        command: |
 +          # reminder: this code (along with all the steps) is independently executed on every circle container
 +          # so the goal here is to get the circleci script to return the tests *this* container will run
 +          # which we do via the `circleci` cli tool.
 +
 +          rm -fr ~/cassandra-dtest/upgrade_tests
 +          echo "***java tests***"
 +
 +          # get all of our unit test filenames
 +          set -eo pipefail && circleci tests glob "$HOME/cassandra/test/distributed/**/*.java" > /tmp/all_java_unit_tests.txt
 +
 +          # split up the unit tests into groups based on the number of containers we have
 +          set -eo pipefail && circleci tests split --split-by=timings --timings-type=filename --index=${CIRCLE_NODE_INDEX} --total=${CIRCLE_NODE_TOTAL} /tmp/all_java_unit_tests.txt > /tmp/java_tests_${CIRCLE_NODE_INDEX}.txt
 +          set -eo pipefail && cat /tmp/java_tests_${CIRCLE_NODE_INDEX}.txt | sed "s;^/home/cassandra/cassandra/test/distributed/;;g" | grep "Test\.java$" | grep -v upgrade > /tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt
 +          echo "** /tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt"
 +          cat /tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt
 +        no_output_timeout: 15m
 +    - run:
 +        name: Log Environment Information
 +        command: |
 +          echo '*** id ***'
 +          id
 +          echo '*** cat /proc/cpuinfo ***'
 +          cat /proc/cpuinfo
 +          echo '*** free -m ***'
 +          free -m
 +          echo '*** df -m ***'
 +          df -m
 +          echo '*** ifconfig -a ***'
 +          ifconfig -a
 +          echo '*** uname -a ***'
 +          uname -a
 +          echo '*** mount ***'
 +          mount
 +          echo '*** env ***'
 +          env
 +          echo '*** java ***'
 +          which java
 +          java -version
 +    - run:
-         name: Run Unit Tests (testclasslist -Dtest.runners=1)
++        name: Run Unit Tests (testclasslist)
 +        command: |
 +          set -x
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          time mv ~/cassandra /tmp
 +          cd /tmp/cassandra
 +          if [ -d ~/dtest_jars ]; then
 +            cp ~/dtest_jars/dtest* /tmp/cassandra/build/
 +          fi
 +          test_timeout=$(grep 'name="test.distributed.timeout"' build.xml | awk -F'"' '{print $4}' || true)
 +          if [ -z "$test_timeout" ]; then
 +            test_timeout=$(grep 'name="test.timeout"' build.xml | awk -F'"' '{print $4}')
 +          fi
-           ant testclasslist -Dtest.runners=1 -Dtest.timeout="$test_timeout" -Dtest.classlistfile=/tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt  -Dtest.classlistprefix=distributed
++          ant testclasslist -Dtest.timeout="$test_timeout" -Dtest.classlistfile=/tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt  -Dtest.classlistprefix=distributed
 +        no_output_timeout: 15m
 +    - store_test_results:
 +        path: /tmp/cassandra/build/test/output/
 +    - store_artifacts:
 +        path: /tmp/cassandra/build/test/output
 +        destination: junitxml
 +    - store_artifacts:
 +        path: /tmp/cassandra/build/test/logs
 +        destination: logs
 +    environment:
      - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
      - LANG: en_US.UTF-8
      - KEEP_TEST_DIR: true
      - DEFAULT_DIR: /home/cassandra/cassandra-dtest
diff --cc .circleci/config.yml.HIGHRES
index 27c67cb,a08f93f..43495b6
--- a/.circleci/config.yml.HIGHRES
+++ b/.circleci/config.yml.HIGHRES
@@@ -76,1611 -76,8 +76,1611 @@@ jobs
          path: /tmp/cassandra/build/test/logs
          destination: logs
      environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +  j8_cqlsh-dtests-py2-with-vnodes:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11-w-dependencies:20210304
 +    resource_class: xlarge
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 100
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Clone Cassandra dtest Repository (via git)
 +        command: |
 +          git clone --single-branch --branch $DTEST_BRANCH --depth 1 $DTEST_REPO ~/cassandra-dtest
 +    - run:
 +        name: Configure virtualenv and python Dependencies
 +        command: |
 +          # note, this should be super quick as all dependencies should be pre-installed in the docker image
 +          # if additional dependencies were added to requirmeents.txt and the docker image hasn't been updated
 +          # we'd have to install it here at runtime -- which will make things slow, so do yourself a favor and
 +          # rebuild the docker image! (it automatically pulls the latest requirements.txt on build)
 +          source ~/env3.6/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          pip3 install --exists-action w --upgrade -r ~/cassandra-dtest/requirements.txt
 +          pip3 uninstall -y cqlsh
 +          pip3 freeze
 +    - run:
 +        name: Determine Tests to Run (j8_with_vnodes)
 +        no_output_timeout: 5m
 +        command: "# reminder: this code (along with all the steps) is independently executed on every circle container\n# so the goal here is to get the circleci script to return the tests *this* container will run\n# which we do via the `circleci` cli tool.\n\ncd cassandra-dtest\nsource ~/env3.6/bin/activate\nexport PATH=$JAVA_HOME/bin:$PATH\n\nif [ -n '' ]; then\n  export \nfi\n\necho \"***Collected DTests (j8_with_vnodes)***\"\nset -eo pipefail && ./run_dtests.py --use-vnodes --skip- [...]
 +    - run:
 +        name: Run dtests (j8_with_vnodes)
 +        no_output_timeout: 15m
 +        command: |
 +          echo "cat /tmp/split_dtest_tests_j8_with_vnodes_final.txt"
 +          cat /tmp/split_dtest_tests_j8_with_vnodes_final.txt
 +
 +          source ~/env3.6/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          if [ -n 'CQLSH_PYTHON=/usr/bin/python2.7' ]; then
 +            export CQLSH_PYTHON=/usr/bin/python2.7
 +          fi
 +
 +          java -version
 +          cd ~/cassandra-dtest
 +          mkdir -p /tmp/dtest
 +
 +          echo "env: $(env)"
 +          echo "** done env"
 +          mkdir -p /tmp/results/dtests
 +          # we need the "set -o pipefail" here so that the exit code that circleci will actually use is from pytest and not the exit code from tee
 +          export SPLIT_TESTS=`cat /tmp/split_dtest_tests_j8_with_vnodes_final.txt`
 +          set -o pipefail && cd ~/cassandra-dtest && pytest --use-vnodes --num-tokens=16 --skip-resource-intensive-tests --log-cli-level=DEBUG --junit-xml=/tmp/results/dtests/pytest_result_j8_with_vnodes.xml -s --cassandra-dir=/home/cassandra/cassandra --keep-test-dir $SPLIT_TESTS 2>&1 | tee /tmp/dtest/stdout.txt
 +    - store_test_results:
 +        path: /tmp/results
 +    - store_artifacts:
 +        path: /tmp/dtest
 +        destination: dtest_j8_with_vnodes
 +    - store_artifacts:
 +        path: ~/cassandra-dtest/logs
 +        destination: dtest_j8_with_vnodes_logs
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +  j11_unit_tests:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11:20210304
 +    resource_class: xlarge
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 100
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Determine unit Tests to Run
 +        command: |
 +          # reminder: this code (along with all the steps) is independently executed on every circle container
 +          # so the goal here is to get the circleci script to return the tests *this* container will run
 +          # which we do via the `circleci` cli tool.
 +
 +          rm -fr ~/cassandra-dtest/upgrade_tests
 +          echo "***java tests***"
 +
 +          # get all of our unit test filenames
 +          set -eo pipefail && circleci tests glob "$HOME/cassandra/test/unit/**/*.java" > /tmp/all_java_unit_tests.txt
 +
 +          # split up the unit tests into groups based on the number of containers we have
 +          set -eo pipefail && circleci tests split --split-by=timings --timings-type=filename --index=${CIRCLE_NODE_INDEX} --total=${CIRCLE_NODE_TOTAL} /tmp/all_java_unit_tests.txt > /tmp/java_tests_${CIRCLE_NODE_INDEX}.txt
 +          set -eo pipefail && cat /tmp/java_tests_${CIRCLE_NODE_INDEX}.txt | sed "s;^/home/cassandra/cassandra/test/unit/;;g" | grep "Test\.java$"  > /tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt
 +          echo "** /tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt"
 +          cat /tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt
 +        no_output_timeout: 15m
 +    - run:
 +        name: Log Environment Information
 +        command: |
 +          echo '*** id ***'
 +          id
 +          echo '*** cat /proc/cpuinfo ***'
 +          cat /proc/cpuinfo
 +          echo '*** free -m ***'
 +          free -m
 +          echo '*** df -m ***'
 +          df -m
 +          echo '*** ifconfig -a ***'
 +          ifconfig -a
 +          echo '*** uname -a ***'
 +          uname -a
 +          echo '*** mount ***'
 +          mount
 +          echo '*** env ***'
 +          env
 +          echo '*** java ***'
 +          which java
 +          java -version
 +    - run:
 +        name: Run Unit Tests (testclasslist)
 +        command: |
 +          set -x
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          time mv ~/cassandra /tmp
 +          cd /tmp/cassandra
 +          if [ -d ~/dtest_jars ]; then
 +            cp ~/dtest_jars/dtest* /tmp/cassandra/build/
 +          fi
 +          test_timeout=$(grep 'name="test.unit.timeout"' build.xml | awk -F'"' '{print $4}' || true)
 +          if [ -z "$test_timeout" ]; then
 +            test_timeout=$(grep 'name="test.timeout"' build.xml | awk -F'"' '{print $4}')
 +          fi
 +          ant testclasslist -Dtest.timeout="$test_timeout" -Dtest.classlistfile=/tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt  -Dtest.classlistprefix=unit
 +        no_output_timeout: 15m
 +    - store_test_results:
 +        path: /tmp/cassandra/build/test/output/
 +    - store_artifacts:
 +        path: /tmp/cassandra/build/test/output
 +        destination: junitxml
 +    - store_artifacts:
 +        path: /tmp/cassandra/build/test/logs
 +        destination: logs
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - CASSANDRA_USE_JDK11: true
 +  j8_cqlsh-dtests-py38-no-vnodes:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11-w-dependencies:20210304
 +    resource_class: xlarge
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 100
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Clone Cassandra dtest Repository (via git)
 +        command: |
 +          git clone --single-branch --branch $DTEST_BRANCH --depth 1 $DTEST_REPO ~/cassandra-dtest
 +    - run:
 +        name: Configure virtualenv and python Dependencies
 +        command: |
 +          # note, this should be super quick as all dependencies should be pre-installed in the docker image
 +          # if additional dependencies were added to requirmeents.txt and the docker image hasn't been updated
 +          # we'd have to install it here at runtime -- which will make things slow, so do yourself a favor and
 +          # rebuild the docker image! (it automatically pulls the latest requirements.txt on build)
 +          source ~/env3.8/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          pip3 install --exists-action w --upgrade -r ~/cassandra-dtest/requirements.txt
 +          pip3 uninstall -y cqlsh
 +          pip3 freeze
 +    - run:
 +        name: Determine Tests to Run (j8_without_vnodes)
 +        no_output_timeout: 5m
 +        command: "# reminder: this code (along with all the steps) is independently executed on every circle container\n# so the goal here is to get the circleci script to return the tests *this* container will run\n# which we do via the `circleci` cli tool.\n\ncd cassandra-dtest\nsource ~/env3.8/bin/activate\nexport PATH=$JAVA_HOME/bin:$PATH\n\nif [ -n '' ]; then\n  export \nfi\n\necho \"***Collected DTests (j8_without_vnodes)***\"\nset -eo pipefail && ./run_dtests.py --skip-resource-i [...]
 +    - run:
 +        name: Run dtests (j8_without_vnodes)
 +        no_output_timeout: 15m
 +        command: |
 +          echo "cat /tmp/split_dtest_tests_j8_without_vnodes_final.txt"
 +          cat /tmp/split_dtest_tests_j8_without_vnodes_final.txt
 +
 +          source ~/env3.8/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          if [ -n 'CQLSH_PYTHON=/usr/bin/python3.8' ]; then
 +            export CQLSH_PYTHON=/usr/bin/python3.8
 +          fi
 +
 +          java -version
 +          cd ~/cassandra-dtest
 +          mkdir -p /tmp/dtest
 +
 +          echo "env: $(env)"
 +          echo "** done env"
 +          mkdir -p /tmp/results/dtests
 +          # we need the "set -o pipefail" here so that the exit code that circleci will actually use is from pytest and not the exit code from tee
 +          export SPLIT_TESTS=`cat /tmp/split_dtest_tests_j8_without_vnodes_final.txt`
 +          set -o pipefail && cd ~/cassandra-dtest && pytest --skip-resource-intensive-tests --log-cli-level=DEBUG --junit-xml=/tmp/results/dtests/pytest_result_j8_without_vnodes.xml -s --cassandra-dir=/home/cassandra/cassandra --keep-test-dir $SPLIT_TESTS 2>&1 | tee /tmp/dtest/stdout.txt
 +    - store_test_results:
 +        path: /tmp/results
 +    - store_artifacts:
 +        path: /tmp/dtest
 +        destination: dtest_j8_without_vnodes
 +    - store_artifacts:
 +        path: ~/cassandra-dtest/logs
 +        destination: dtest_j8_without_vnodes_logs
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +  j11_cqlsh-dtests-py3-with-vnodes:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11:20210304
 +    resource_class: xlarge
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 100
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Clone Cassandra dtest Repository (via git)
 +        command: |
 +          git clone --single-branch --branch $DTEST_BRANCH --depth 1 $DTEST_REPO ~/cassandra-dtest
 +    - run:
 +        name: Configure virtualenv and python Dependencies
 +        command: |
 +          # note, this should be super quick as all dependencies should be pre-installed in the docker image
 +          # if additional dependencies were added to requirmeents.txt and the docker image hasn't been updated
 +          # we'd have to install it here at runtime -- which will make things slow, so do yourself a favor and
 +          # rebuild the docker image! (it automatically pulls the latest requirements.txt on build)
 +          source ~/env3.6/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          pip3 install --exists-action w --upgrade -r ~/cassandra-dtest/requirements.txt
 +          pip3 uninstall -y cqlsh
 +          pip3 freeze
 +    - run:
 +        name: Determine Tests to Run (j11_with_vnodes)
 +        no_output_timeout: 5m
 +        command: "# reminder: this code (along with all the steps) is independently executed on every circle container\n# so the goal here is to get the circleci script to return the tests *this* container will run\n# which we do via the `circleci` cli tool.\n\ncd cassandra-dtest\nsource ~/env3.6/bin/activate\nexport PATH=$JAVA_HOME/bin:$PATH\n\nif [ -n '' ]; then\n  export \nfi\n\necho \"***Collected DTests (j11_with_vnodes)***\"\nset -eo pipefail && ./run_dtests.py --use-vnodes --skip [...]
 +    - run:
 +        name: Run dtests (j11_with_vnodes)
 +        no_output_timeout: 15m
 +        command: |
 +          echo "cat /tmp/split_dtest_tests_j11_with_vnodes_final.txt"
 +          cat /tmp/split_dtest_tests_j11_with_vnodes_final.txt
 +
 +          source ~/env3.6/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          if [ -n 'CQLSH_PYTHON=/usr/bin/python3.6' ]; then
 +            export CQLSH_PYTHON=/usr/bin/python3.6
 +          fi
 +
 +          java -version
 +          cd ~/cassandra-dtest
 +          mkdir -p /tmp/dtest
 +
 +          echo "env: $(env)"
 +          echo "** done env"
 +          mkdir -p /tmp/results/dtests
 +          # we need the "set -o pipefail" here so that the exit code that circleci will actually use is from pytest and not the exit code from tee
 +          export SPLIT_TESTS=`cat /tmp/split_dtest_tests_j11_with_vnodes_final.txt`
 +          set -o pipefail && cd ~/cassandra-dtest && pytest --use-vnodes --num-tokens=16 --skip-resource-intensive-tests --log-cli-level=DEBUG --junit-xml=/tmp/results/dtests/pytest_result_j11_with_vnodes.xml -s --cassandra-dir=/home/cassandra/cassandra --keep-test-dir $SPLIT_TESTS 2>&1 | tee /tmp/dtest/stdout.txt
 +    - store_test_results:
 +        path: /tmp/results
 +    - store_artifacts:
 +        path: /tmp/dtest
 +        destination: dtest_j11_with_vnodes
 +    - store_artifacts:
 +        path: ~/cassandra-dtest/logs
 +        destination: dtest_j11_with_vnodes_logs
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - CASSANDRA_USE_JDK11: true
 +  j11_cqlsh-dtests-py3-no-vnodes:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11:20210304
 +    resource_class: xlarge
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 100
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Clone Cassandra dtest Repository (via git)
 +        command: |
 +          git clone --single-branch --branch $DTEST_BRANCH --depth 1 $DTEST_REPO ~/cassandra-dtest
 +    - run:
 +        name: Configure virtualenv and python Dependencies
 +        command: |
 +          # note, this should be super quick as all dependencies should be pre-installed in the docker image
 +          # if additional dependencies were added to requirmeents.txt and the docker image hasn't been updated
 +          # we'd have to install it here at runtime -- which will make things slow, so do yourself a favor and
 +          # rebuild the docker image! (it automatically pulls the latest requirements.txt on build)
 +          source ~/env3.6/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          pip3 install --exists-action w --upgrade -r ~/cassandra-dtest/requirements.txt
 +          pip3 uninstall -y cqlsh
 +          pip3 freeze
 +    - run:
 +        name: Determine Tests to Run (j11_without_vnodes)
 +        no_output_timeout: 5m
 +        command: "# reminder: this code (along with all the steps) is independently executed on every circle container\n# so the goal here is to get the circleci script to return the tests *this* container will run\n# which we do via the `circleci` cli tool.\n\ncd cassandra-dtest\nsource ~/env3.6/bin/activate\nexport PATH=$JAVA_HOME/bin:$PATH\n\nif [ -n '' ]; then\n  export \nfi\n\necho \"***Collected DTests (j11_without_vnodes)***\"\nset -eo pipefail && ./run_dtests.py --skip-resource- [...]
 +    - run:
 +        name: Run dtests (j11_without_vnodes)
 +        no_output_timeout: 15m
 +        command: |
 +          echo "cat /tmp/split_dtest_tests_j11_without_vnodes_final.txt"
 +          cat /tmp/split_dtest_tests_j11_without_vnodes_final.txt
 +
 +          source ~/env3.6/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          if [ -n 'CQLSH_PYTHON=/usr/bin/python3.6' ]; then
 +            export CQLSH_PYTHON=/usr/bin/python3.6
 +          fi
 +
 +          java -version
 +          cd ~/cassandra-dtest
 +          mkdir -p /tmp/dtest
 +
 +          echo "env: $(env)"
 +          echo "** done env"
 +          mkdir -p /tmp/results/dtests
 +          # we need the "set -o pipefail" here so that the exit code that circleci will actually use is from pytest and not the exit code from tee
 +          export SPLIT_TESTS=`cat /tmp/split_dtest_tests_j11_without_vnodes_final.txt`
 +          set -o pipefail && cd ~/cassandra-dtest && pytest --skip-resource-intensive-tests --log-cli-level=DEBUG --junit-xml=/tmp/results/dtests/pytest_result_j11_without_vnodes.xml -s --cassandra-dir=/home/cassandra/cassandra --keep-test-dir $SPLIT_TESTS 2>&1 | tee /tmp/dtest/stdout.txt
 +    - store_test_results:
 +        path: /tmp/results
 +    - store_artifacts:
 +        path: /tmp/dtest
 +        destination: dtest_j11_without_vnodes
 +    - store_artifacts:
 +        path: ~/cassandra-dtest/logs
 +        destination: dtest_j11_without_vnodes_logs
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - CASSANDRA_USE_JDK11: true
 +  j11_cqlsh-dtests-py38-with-vnodes:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11:20210304
 +    resource_class: xlarge
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 100
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Clone Cassandra dtest Repository (via git)
 +        command: |
 +          git clone --single-branch --branch $DTEST_BRANCH --depth 1 $DTEST_REPO ~/cassandra-dtest
 +    - run:
 +        name: Configure virtualenv and python Dependencies
 +        command: |
 +          # note, this should be super quick as all dependencies should be pre-installed in the docker image
 +          # if additional dependencies were added to requirmeents.txt and the docker image hasn't been updated
 +          # we'd have to install it here at runtime -- which will make things slow, so do yourself a favor and
 +          # rebuild the docker image! (it automatically pulls the latest requirements.txt on build)
 +          source ~/env3.8/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          pip3 install --exists-action w --upgrade -r ~/cassandra-dtest/requirements.txt
 +          pip3 uninstall -y cqlsh
 +          pip3 freeze
 +    - run:
 +        name: Determine Tests to Run (j11_with_vnodes)
 +        no_output_timeout: 5m
 +        command: "# reminder: this code (along with all the steps) is independently executed on every circle container\n# so the goal here is to get the circleci script to return the tests *this* container will run\n# which we do via the `circleci` cli tool.\n\ncd cassandra-dtest\nsource ~/env3.8/bin/activate\nexport PATH=$JAVA_HOME/bin:$PATH\n\nif [ -n '' ]; then\n  export \nfi\n\necho \"***Collected DTests (j11_with_vnodes)***\"\nset -eo pipefail && ./run_dtests.py --use-vnodes --skip [...]
 +    - run:
 +        name: Run dtests (j11_with_vnodes)
 +        no_output_timeout: 15m
 +        command: |
 +          echo "cat /tmp/split_dtest_tests_j11_with_vnodes_final.txt"
 +          cat /tmp/split_dtest_tests_j11_with_vnodes_final.txt
 +
 +          source ~/env3.8/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          if [ -n 'CQLSH_PYTHON=/usr/bin/python3.8' ]; then
 +            export CQLSH_PYTHON=/usr/bin/python3.8
 +          fi
 +
 +          java -version
 +          cd ~/cassandra-dtest
 +          mkdir -p /tmp/dtest
 +
 +          echo "env: $(env)"
 +          echo "** done env"
 +          mkdir -p /tmp/results/dtests
 +          # we need the "set -o pipefail" here so that the exit code that circleci will actually use is from pytest and not the exit code from tee
 +          export SPLIT_TESTS=`cat /tmp/split_dtest_tests_j11_with_vnodes_final.txt`
 +          set -o pipefail && cd ~/cassandra-dtest && pytest --use-vnodes --num-tokens=16 --skip-resource-intensive-tests --log-cli-level=DEBUG --junit-xml=/tmp/results/dtests/pytest_result_j11_with_vnodes.xml -s --cassandra-dir=/home/cassandra/cassandra --keep-test-dir $SPLIT_TESTS 2>&1 | tee /tmp/dtest/stdout.txt
 +    - store_test_results:
 +        path: /tmp/results
 +    - store_artifacts:
 +        path: /tmp/dtest
 +        destination: dtest_j11_with_vnodes
 +    - store_artifacts:
 +        path: ~/cassandra-dtest/logs
 +        destination: dtest_j11_with_vnodes_logs
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - CASSANDRA_USE_JDK11: true
 +  j8_cqlsh-dtests-py3-with-vnodes:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11-w-dependencies:20210304
 +    resource_class: xlarge
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 100
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Clone Cassandra dtest Repository (via git)
 +        command: |
 +          git clone --single-branch --branch $DTEST_BRANCH --depth 1 $DTEST_REPO ~/cassandra-dtest
 +    - run:
 +        name: Configure virtualenv and python Dependencies
 +        command: |
 +          # note, this should be super quick as all dependencies should be pre-installed in the docker image
 +          # if additional dependencies were added to requirmeents.txt and the docker image hasn't been updated
 +          # we'd have to install it here at runtime -- which will make things slow, so do yourself a favor and
 +          # rebuild the docker image! (it automatically pulls the latest requirements.txt on build)
 +          source ~/env3.6/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          pip3 install --exists-action w --upgrade -r ~/cassandra-dtest/requirements.txt
 +          pip3 uninstall -y cqlsh
 +          pip3 freeze
 +    - run:
 +        name: Determine Tests to Run (j8_with_vnodes)
 +        no_output_timeout: 5m
 +        command: "# reminder: this code (along with all the steps) is independently executed on every circle container\n# so the goal here is to get the circleci script to return the tests *this* container will run\n# which we do via the `circleci` cli tool.\n\ncd cassandra-dtest\nsource ~/env3.6/bin/activate\nexport PATH=$JAVA_HOME/bin:$PATH\n\nif [ -n '' ]; then\n  export \nfi\n\necho \"***Collected DTests (j8_with_vnodes)***\"\nset -eo pipefail && ./run_dtests.py --use-vnodes --skip- [...]
 +    - run:
 +        name: Run dtests (j8_with_vnodes)
 +        no_output_timeout: 15m
 +        command: |
 +          echo "cat /tmp/split_dtest_tests_j8_with_vnodes_final.txt"
 +          cat /tmp/split_dtest_tests_j8_with_vnodes_final.txt
 +
 +          source ~/env3.6/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          if [ -n 'CQLSH_PYTHON=/usr/bin/python3.6' ]; then
 +            export CQLSH_PYTHON=/usr/bin/python3.6
 +          fi
 +
 +          java -version
 +          cd ~/cassandra-dtest
 +          mkdir -p /tmp/dtest
 +
 +          echo "env: $(env)"
 +          echo "** done env"
 +          mkdir -p /tmp/results/dtests
 +          # we need the "set -o pipefail" here so that the exit code that circleci will actually use is from pytest and not the exit code from tee
 +          export SPLIT_TESTS=`cat /tmp/split_dtest_tests_j8_with_vnodes_final.txt`
 +          set -o pipefail && cd ~/cassandra-dtest && pytest --use-vnodes --num-tokens=16 --skip-resource-intensive-tests --log-cli-level=DEBUG --junit-xml=/tmp/results/dtests/pytest_result_j8_with_vnodes.xml -s --cassandra-dir=/home/cassandra/cassandra --keep-test-dir $SPLIT_TESTS 2>&1 | tee /tmp/dtest/stdout.txt
 +    - store_test_results:
 +        path: /tmp/results
 +    - store_artifacts:
 +        path: /tmp/dtest
 +        destination: dtest_j8_with_vnodes
 +    - store_artifacts:
 +        path: ~/cassandra-dtest/logs
 +        destination: dtest_j8_with_vnodes_logs
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +  j8_cqlsh-dtests-py2-no-vnodes:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11-w-dependencies:20210304
 +    resource_class: xlarge
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 100
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Clone Cassandra dtest Repository (via git)
 +        command: |
 +          git clone --single-branch --branch $DTEST_BRANCH --depth 1 $DTEST_REPO ~/cassandra-dtest
 +    - run:
 +        name: Configure virtualenv and python Dependencies
 +        command: |
 +          # note, this should be super quick as all dependencies should be pre-installed in the docker image
 +          # if additional dependencies were added to requirmeents.txt and the docker image hasn't been updated
 +          # we'd have to install it here at runtime -- which will make things slow, so do yourself a favor and
 +          # rebuild the docker image! (it automatically pulls the latest requirements.txt on build)
 +          source ~/env3.6/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          pip3 install --exists-action w --upgrade -r ~/cassandra-dtest/requirements.txt
 +          pip3 uninstall -y cqlsh
 +          pip3 freeze
 +    - run:
 +        name: Determine Tests to Run (j8_without_vnodes)
 +        no_output_timeout: 5m
 +        command: "# reminder: this code (along with all the steps) is independently executed on every circle container\n# so the goal here is to get the circleci script to return the tests *this* container will run\n# which we do via the `circleci` cli tool.\n\ncd cassandra-dtest\nsource ~/env3.6/bin/activate\nexport PATH=$JAVA_HOME/bin:$PATH\n\nif [ -n '' ]; then\n  export \nfi\n\necho \"***Collected DTests (j8_without_vnodes)***\"\nset -eo pipefail && ./run_dtests.py --skip-resource-i [...]
 +    - run:
 +        name: Run dtests (j8_without_vnodes)
 +        no_output_timeout: 15m
 +        command: |
 +          echo "cat /tmp/split_dtest_tests_j8_without_vnodes_final.txt"
 +          cat /tmp/split_dtest_tests_j8_without_vnodes_final.txt
 +
 +          source ~/env3.6/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          if [ -n 'CQLSH_PYTHON=/usr/bin/python2.7' ]; then
 +            export CQLSH_PYTHON=/usr/bin/python2.7
 +          fi
 +
 +          java -version
 +          cd ~/cassandra-dtest
 +          mkdir -p /tmp/dtest
 +
 +          echo "env: $(env)"
 +          echo "** done env"
 +          mkdir -p /tmp/results/dtests
 +          # we need the "set -o pipefail" here so that the exit code that circleci will actually use is from pytest and not the exit code from tee
 +          export SPLIT_TESTS=`cat /tmp/split_dtest_tests_j8_without_vnodes_final.txt`
 +          set -o pipefail && cd ~/cassandra-dtest && pytest --skip-resource-intensive-tests --log-cli-level=DEBUG --junit-xml=/tmp/results/dtests/pytest_result_j8_without_vnodes.xml -s --cassandra-dir=/home/cassandra/cassandra --keep-test-dir $SPLIT_TESTS 2>&1 | tee /tmp/dtest/stdout.txt
 +    - store_test_results:
 +        path: /tmp/results
 +    - store_artifacts:
 +        path: /tmp/dtest
 +        destination: dtest_j8_without_vnodes
 +    - store_artifacts:
 +        path: ~/cassandra-dtest/logs
 +        destination: dtest_j8_without_vnodes_logs
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +  j11_cqlsh-dtests-py2-with-vnodes:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11:20210304
 +    resource_class: xlarge
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 100
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Clone Cassandra dtest Repository (via git)
 +        command: |
 +          git clone --single-branch --branch $DTEST_BRANCH --depth 1 $DTEST_REPO ~/cassandra-dtest
 +    - run:
 +        name: Configure virtualenv and python Dependencies
 +        command: |
 +          # note, this should be super quick as all dependencies should be pre-installed in the docker image
 +          # if additional dependencies were added to requirmeents.txt and the docker image hasn't been updated
 +          # we'd have to install it here at runtime -- which will make things slow, so do yourself a favor and
 +          # rebuild the docker image! (it automatically pulls the latest requirements.txt on build)
 +          source ~/env3.6/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          pip3 install --exists-action w --upgrade -r ~/cassandra-dtest/requirements.txt
 +          pip3 uninstall -y cqlsh
 +          pip3 freeze
 +    - run:
 +        name: Determine Tests to Run (j11_with_vnodes)
 +        no_output_timeout: 5m
 +        command: "# reminder: this code (along with all the steps) is independently executed on every circle container\n# so the goal here is to get the circleci script to return the tests *this* container will run\n# which we do via the `circleci` cli tool.\n\ncd cassandra-dtest\nsource ~/env3.6/bin/activate\nexport PATH=$JAVA_HOME/bin:$PATH\n\nif [ -n '' ]; then\n  export \nfi\n\necho \"***Collected DTests (j11_with_vnodes)***\"\nset -eo pipefail && ./run_dtests.py --use-vnodes --skip [...]
 +    - run:
 +        name: Run dtests (j11_with_vnodes)
 +        no_output_timeout: 15m
 +        command: |
 +          echo "cat /tmp/split_dtest_tests_j11_with_vnodes_final.txt"
 +          cat /tmp/split_dtest_tests_j11_with_vnodes_final.txt
 +
 +          source ~/env3.6/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          if [ -n 'CQLSH_PYTHON=/usr/bin/python2.7' ]; then
 +            export CQLSH_PYTHON=/usr/bin/python2.7
 +          fi
 +
 +          java -version
 +          cd ~/cassandra-dtest
 +          mkdir -p /tmp/dtest
 +
 +          echo "env: $(env)"
 +          echo "** done env"
 +          mkdir -p /tmp/results/dtests
 +          # we need the "set -o pipefail" here so that the exit code that circleci will actually use is from pytest and not the exit code from tee
 +          export SPLIT_TESTS=`cat /tmp/split_dtest_tests_j11_with_vnodes_final.txt`
 +          set -o pipefail && cd ~/cassandra-dtest && pytest --use-vnodes --num-tokens=16 --skip-resource-intensive-tests --log-cli-level=DEBUG --junit-xml=/tmp/results/dtests/pytest_result_j11_with_vnodes.xml -s --cassandra-dir=/home/cassandra/cassandra --keep-test-dir $SPLIT_TESTS 2>&1 | tee /tmp/dtest/stdout.txt
 +    - store_test_results:
 +        path: /tmp/results
 +    - store_artifacts:
 +        path: /tmp/dtest
 +        destination: dtest_j11_with_vnodes
 +    - store_artifacts:
 +        path: ~/cassandra-dtest/logs
 +        destination: dtest_j11_with_vnodes_logs
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - CASSANDRA_USE_JDK11: true
 +  j11_dtests-with-vnodes:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11:20210304
 +    resource_class: xlarge
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 100
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Log Environment Information
 +        command: |
 +          echo '*** id ***'
 +          id
 +          echo '*** cat /proc/cpuinfo ***'
 +          cat /proc/cpuinfo
 +          echo '*** free -m ***'
 +          free -m
 +          echo '*** df -m ***'
 +          df -m
 +          echo '*** ifconfig -a ***'
 +          ifconfig -a
 +          echo '*** uname -a ***'
 +          uname -a
 +          echo '*** mount ***'
 +          mount
 +          echo '*** env ***'
 +          env
 +          echo '*** java ***'
 +          which java
 +          java -version
 +    - run:
 +        name: Clone Cassandra dtest Repository (via git)
 +        command: |
 +          git clone --single-branch --branch $DTEST_BRANCH --depth 1 $DTEST_REPO ~/cassandra-dtest
 +    - run:
 +        name: Configure virtualenv and python Dependencies
 +        command: |
 +          # note, this should be super quick as all dependencies should be pre-installed in the docker image
 +          # if additional dependencies were added to requirmeents.txt and the docker image hasn't been updated
 +          # we'd have to install it here at runtime -- which will make things slow, so do yourself a favor and
 +          # rebuild the docker image! (it automatically pulls the latest requirements.txt on build)
 +          source ~/env3.6/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          pip3 install --exists-action w --upgrade -r ~/cassandra-dtest/requirements.txt
 +          pip3 uninstall -y cqlsh
 +          pip3 freeze
 +    - run:
 +        name: Determine Tests to Run (j11_with_vnodes)
 +        no_output_timeout: 5m
 +        command: "# reminder: this code (along with all the steps) is independently executed on every circle container\n# so the goal here is to get the circleci script to return the tests *this* container will run\n# which we do via the `circleci` cli tool.\n\ncd cassandra-dtest\nsource ~/env3.6/bin/activate\nexport PATH=$JAVA_HOME/bin:$PATH\n\nif [ -n '' ]; then\n  export \nfi\n\necho \"***Collected DTests (j11_with_vnodes)***\"\nset -eo pipefail && ./run_dtests.py --use-vnodes --skip [...]
 +    - run:
 +        name: Run dtests (j11_with_vnodes)
 +        no_output_timeout: 15m
 +        command: "echo \"cat /tmp/split_dtest_tests_j11_with_vnodes_final.txt\"\ncat /tmp/split_dtest_tests_j11_with_vnodes_final.txt\n\nsource ~/env3.6/bin/activate\nexport PATH=$JAVA_HOME/bin:$PATH\nif [ -n '' ]; then\n  export \nfi\n\njava -version\ncd ~/cassandra-dtest\nmkdir -p /tmp/dtest\n\necho \"env: $(env)\"\necho \"** done env\"\nmkdir -p /tmp/results/dtests\n# we need the \"set -o pipefail\" here so that the exit code that circleci will actually use is from pytest and not the [...]
 +    - store_test_results:
 +        path: /tmp/results
 +    - store_artifacts:
 +        path: /tmp/dtest
 +        destination: dtest_j11_with_vnodes
 +    - store_artifacts:
 +        path: ~/cassandra-dtest/logs
 +        destination: dtest_j11_with_vnodes_logs
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - CASSANDRA_USE_JDK11: true
 +  j8_dtests-no-vnodes:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11-w-dependencies:20210304
 +    resource_class: xlarge
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 100
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Clone Cassandra dtest Repository (via git)
 +        command: |
 +          git clone --single-branch --branch $DTEST_BRANCH --depth 1 $DTEST_REPO ~/cassandra-dtest
 +    - run:
 +        name: Configure virtualenv and python Dependencies
 +        command: |
 +          # note, this should be super quick as all dependencies should be pre-installed in the docker image
 +          # if additional dependencies were added to requirmeents.txt and the docker image hasn't been updated
 +          # we'd have to install it here at runtime -- which will make things slow, so do yourself a favor and
 +          # rebuild the docker image! (it automatically pulls the latest requirements.txt on build)
 +          source ~/env3.6/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          pip3 install --exists-action w --upgrade -r ~/cassandra-dtest/requirements.txt
 +          pip3 uninstall -y cqlsh
 +          pip3 freeze
 +    - run:
 +        name: Determine Tests to Run (j8_without_vnodes)
 +        no_output_timeout: 5m
 +        command: "# reminder: this code (along with all the steps) is independently executed on every circle container\n# so the goal here is to get the circleci script to return the tests *this* container will run\n# which we do via the `circleci` cli tool.\n\ncd cassandra-dtest\nsource ~/env3.6/bin/activate\nexport PATH=$JAVA_HOME/bin:$PATH\n\nif [ -n '' ]; then\n  export \nfi\n\necho \"***Collected DTests (j8_without_vnodes)***\"\nset -eo pipefail && ./run_dtests.py --skip-resource-i [...]
 +    - run:
 +        name: Run dtests (j8_without_vnodes)
 +        no_output_timeout: 15m
 +        command: "echo \"cat /tmp/split_dtest_tests_j8_without_vnodes_final.txt\"\ncat /tmp/split_dtest_tests_j8_without_vnodes_final.txt\n\nsource ~/env3.6/bin/activate\nexport PATH=$JAVA_HOME/bin:$PATH\nif [ -n '' ]; then\n  export \nfi\n\njava -version\ncd ~/cassandra-dtest\nmkdir -p /tmp/dtest\n\necho \"env: $(env)\"\necho \"** done env\"\nmkdir -p /tmp/results/dtests\n# we need the \"set -o pipefail\" here so that the exit code that circleci will actually use is from pytest and not [...]
 +    - store_test_results:
 +        path: /tmp/results
 +    - store_artifacts:
 +        path: /tmp/dtest
 +        destination: dtest_j8_without_vnodes
 +    - store_artifacts:
 +        path: ~/cassandra-dtest/logs
 +        destination: dtest_j8_without_vnodes_logs
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +  j8_upgradetests-no-vnodes:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11-w-dependencies:20210304
 +    resource_class: xlarge
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 100
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Clone Cassandra dtest Repository (via git)
 +        command: |
 +          git clone --single-branch --branch $DTEST_BRANCH --depth 1 $DTEST_REPO ~/cassandra-dtest
 +    - run:
 +        name: Configure virtualenv and python Dependencies
 +        command: |
 +          # note, this should be super quick as all dependencies should be pre-installed in the docker image
 +          # if additional dependencies were added to requirmeents.txt and the docker image hasn't been updated
 +          # we'd have to install it here at runtime -- which will make things slow, so do yourself a favor and
 +          # rebuild the docker image! (it automatically pulls the latest requirements.txt on build)
 +          source ~/env3.6/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          pip3 install --exists-action w --upgrade -r ~/cassandra-dtest/requirements.txt
 +          pip3 uninstall -y cqlsh
 +          pip3 freeze
 +    - run:
 +        name: Determine Tests to Run (j8_upgradetests_without_vnodes)
 +        no_output_timeout: 5m
 +        command: "# reminder: this code (along with all the steps) is independently executed on every circle container\n# so the goal here is to get the circleci script to return the tests *this* container will run\n# which we do via the `circleci` cli tool.\n\ncd cassandra-dtest\nsource ~/env3.6/bin/activate\nexport PATH=$JAVA_HOME/bin:$PATH\n\nif [ -n '' ]; then\n  export \nfi\n\necho \"***Collected DTests (j8_upgradetests_without_vnodes)***\"\nset -eo pipefail && ./run_dtests.py --ex [...]
 +    - run:
 +        name: Run dtests (j8_upgradetests_without_vnodes)
 +        no_output_timeout: 15m
 +        command: "echo \"cat /tmp/split_dtest_tests_j8_upgradetests_without_vnodes_final.txt\"\ncat /tmp/split_dtest_tests_j8_upgradetests_without_vnodes_final.txt\n\nsource ~/env3.6/bin/activate\nexport PATH=$JAVA_HOME/bin:$PATH\nif [ -n '' ]; then\n  export \nfi\n\njava -version\ncd ~/cassandra-dtest\nmkdir -p /tmp/dtest\n\necho \"env: $(env)\"\necho \"** done env\"\nmkdir -p /tmp/results/dtests\n# we need the \"set -o pipefail\" here so that the exit code that circleci will actually  [...]
 +    - store_test_results:
 +        path: /tmp/results
 +    - store_artifacts:
 +        path: /tmp/dtest
 +        destination: dtest_j8_upgradetests_without_vnodes
 +    - store_artifacts:
 +        path: ~/cassandra-dtest/logs
 +        destination: dtest_j8_upgradetests_without_vnodes_logs
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +  utests_stress:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11-w-dependencies:20210304
 +    resource_class: xlarge
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 1
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Run Unit Tests (stress-test)
 +        command: |
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          time mv ~/cassandra /tmp
 +          cd /tmp/cassandra
 +          if [ -d ~/dtest_jars ]; then
 +            cp ~/dtest_jars/dtest* /tmp/cassandra/build/
 +          fi
 +          ant stress-test
 +        no_output_timeout: 15m
 +    - store_test_results:
 +        path: /tmp/cassandra/build/test/output/
 +    - store_artifacts:
 +        path: /tmp/cassandra/build/test/output
 +        destination: junitxml
 +    - store_artifacts:
 +        path: /tmp/cassandra/build/test/logs
 +        destination: logs
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +  j8_unit_tests:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11-w-dependencies:20210304
 +    resource_class: xlarge
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 100
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Determine unit Tests to Run
 +        command: |
 +          # reminder: this code (along with all the steps) is independently executed on every circle container
 +          # so the goal here is to get the circleci script to return the tests *this* container will run
 +          # which we do via the `circleci` cli tool.
 +
 +          rm -fr ~/cassandra-dtest/upgrade_tests
 +          echo "***java tests***"
 +
 +          # get all of our unit test filenames
 +          set -eo pipefail && circleci tests glob "$HOME/cassandra/test/unit/**/*.java" > /tmp/all_java_unit_tests.txt
 +
 +          # split up the unit tests into groups based on the number of containers we have
 +          set -eo pipefail && circleci tests split --split-by=timings --timings-type=filename --index=${CIRCLE_NODE_INDEX} --total=${CIRCLE_NODE_TOTAL} /tmp/all_java_unit_tests.txt > /tmp/java_tests_${CIRCLE_NODE_INDEX}.txt
 +          set -eo pipefail && cat /tmp/java_tests_${CIRCLE_NODE_INDEX}.txt | sed "s;^/home/cassandra/cassandra/test/unit/;;g" | grep "Test\.java$"  > /tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt
 +          echo "** /tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt"
 +          cat /tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt
 +        no_output_timeout: 15m
 +    - run:
 +        name: Log Environment Information
 +        command: |
 +          echo '*** id ***'
 +          id
 +          echo '*** cat /proc/cpuinfo ***'
 +          cat /proc/cpuinfo
 +          echo '*** free -m ***'
 +          free -m
 +          echo '*** df -m ***'
 +          df -m
 +          echo '*** ifconfig -a ***'
 +          ifconfig -a
 +          echo '*** uname -a ***'
 +          uname -a
 +          echo '*** mount ***'
 +          mount
 +          echo '*** env ***'
 +          env
 +          echo '*** java ***'
 +          which java
 +          java -version
 +    - run:
 +        name: Run Unit Tests (testclasslist)
 +        command: |
 +          set -x
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          time mv ~/cassandra /tmp
 +          cd /tmp/cassandra
 +          if [ -d ~/dtest_jars ]; then
 +            cp ~/dtest_jars/dtest* /tmp/cassandra/build/
 +          fi
 +          test_timeout=$(grep 'name="test.unit.timeout"' build.xml | awk -F'"' '{print $4}' || true)
 +          if [ -z "$test_timeout" ]; then
 +            test_timeout=$(grep 'name="test.timeout"' build.xml | awk -F'"' '{print $4}')
 +          fi
 +          ant testclasslist -Dtest.timeout="$test_timeout" -Dtest.classlistfile=/tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt  -Dtest.classlistprefix=unit
 +        no_output_timeout: 15m
 +    - store_test_results:
 +        path: /tmp/cassandra/build/test/output/
 +    - store_artifacts:
 +        path: /tmp/cassandra/build/test/output
 +        destination: junitxml
 +    - store_artifacts:
 +        path: /tmp/cassandra/build/test/logs
 +        destination: logs
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +  j11_jvm_dtests:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11:20210304
 +    resource_class: xlarge
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 2
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Determine distributed Tests to Run
 +        command: |
 +          # reminder: this code (along with all the steps) is independently executed on every circle container
 +          # so the goal here is to get the circleci script to return the tests *this* container will run
 +          # which we do via the `circleci` cli tool.
 +
 +          rm -fr ~/cassandra-dtest/upgrade_tests
 +          echo "***java tests***"
 +
 +          # get all of our unit test filenames
 +          set -eo pipefail && circleci tests glob "$HOME/cassandra/test/distributed/**/*.java" > /tmp/all_java_unit_tests.txt
 +
 +          # split up the unit tests into groups based on the number of containers we have
 +          set -eo pipefail && circleci tests split --split-by=timings --timings-type=filename --index=${CIRCLE_NODE_INDEX} --total=${CIRCLE_NODE_TOTAL} /tmp/all_java_unit_tests.txt > /tmp/java_tests_${CIRCLE_NODE_INDEX}.txt
 +          set -eo pipefail && cat /tmp/java_tests_${CIRCLE_NODE_INDEX}.txt | sed "s;^/home/cassandra/cassandra/test/distributed/;;g" | grep "Test\.java$" | grep -v upgrade > /tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt
 +          echo "** /tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt"
 +          cat /tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt
 +        no_output_timeout: 15m
 +    - run:
 +        name: Log Environment Information
 +        command: |
 +          echo '*** id ***'
 +          id
 +          echo '*** cat /proc/cpuinfo ***'
 +          cat /proc/cpuinfo
 +          echo '*** free -m ***'
 +          free -m
 +          echo '*** df -m ***'
 +          df -m
 +          echo '*** ifconfig -a ***'
 +          ifconfig -a
 +          echo '*** uname -a ***'
 +          uname -a
 +          echo '*** mount ***'
 +          mount
 +          echo '*** env ***'
 +          env
 +          echo '*** java ***'
 +          which java
 +          java -version
 +    - run:
-         name: Run Unit Tests (testclasslist -Dtest.runners=1)
++        name: Run Unit Tests (testclasslist)
 +        command: |
 +          set -x
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          time mv ~/cassandra /tmp
 +          cd /tmp/cassandra
 +          if [ -d ~/dtest_jars ]; then
 +            cp ~/dtest_jars/dtest* /tmp/cassandra/build/
 +          fi
 +          test_timeout=$(grep 'name="test.distributed.timeout"' build.xml | awk -F'"' '{print $4}' || true)
 +          if [ -z "$test_timeout" ]; then
 +            test_timeout=$(grep 'name="test.timeout"' build.xml | awk -F'"' '{print $4}')
 +          fi
-           ant testclasslist -Dtest.runners=1 -Dtest.timeout="$test_timeout" -Dtest.classlistfile=/tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt  -Dtest.classlistprefix=distributed
++          ant testclasslist -Dtest.timeout="$test_timeout" -Dtest.classlistfile=/tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt  -Dtest.classlistprefix=distributed
 +        no_output_timeout: 15m
 +    - store_test_results:
 +        path: /tmp/cassandra/build/test/output/
 +    - store_artifacts:
 +        path: /tmp/cassandra/build/test/output
 +        destination: junitxml
 +    - store_artifacts:
 +        path: /tmp/cassandra/build/test/logs
 +        destination: logs
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - CASSANDRA_USE_JDK11: true
 +  j11_build:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11:20210304
 +    resource_class: medium
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 1
 +    steps:
 +    - run:
 +        name: Log Environment Information
 +        command: |
 +          echo '*** id ***'
 +          id
 +          echo '*** cat /proc/cpuinfo ***'
 +          cat /proc/cpuinfo
 +          echo '*** free -m ***'
 +          free -m
 +          echo '*** df -m ***'
 +          df -m
 +          echo '*** ifconfig -a ***'
 +          ifconfig -a
 +          echo '*** uname -a ***'
 +          uname -a
 +          echo '*** mount ***'
 +          mount
 +          echo '*** env ***'
 +          env
 +          echo '*** java ***'
 +          which java
 +          java -version
 +    - run:
 +        name: Clone Cassandra Repository (via git)
 +        command: |
 +          git clone --single-branch --depth 1 --branch $CIRCLE_BRANCH git://github.com/$CIRCLE_PROJECT_USERNAME/$CIRCLE_PROJECT_REPONAME.git ~/cassandra
 +    - run:
 +        name: Build Cassandra
 +        command: |
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          cd ~/cassandra
 +          # Loop to prevent failure due to maven-ant-tasks not downloading a jar..
 +          for x in $(seq 1 3); do
 +              ${ANT_HOME}/bin/ant clean realclean jar
 +              RETURN="$?"
 +              if [ "${RETURN}" -eq "0" ]; then
 +                  break
 +              fi
 +          done
 +          # Exit, if we didn't build successfully
 +          if [ "${RETURN}" -ne "0" ]; then
 +              echo "Build failed with exit code: ${RETURN}"
 +              exit ${RETURN}
 +          fi
 +        no_output_timeout: 15m
 +    - run:
 +        name: Run eclipse-warnings
 +        command: |
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          cd ~/cassandra
 +          ant eclipse-warnings
 +    - persist_to_workspace:
 +        root: /home/cassandra
 +        paths:
 +        - cassandra
 +        - .m2
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - CASSANDRA_USE_JDK11: true
 +  j11_cqlsh-dtests-py2-no-vnodes:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11:20210304
 +    resource_class: xlarge
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 100
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Clone Cassandra dtest Repository (via git)
 +        command: |
 +          git clone --single-branch --branch $DTEST_BRANCH --depth 1 $DTEST_REPO ~/cassandra-dtest
 +    - run:
 +        name: Configure virtualenv and python Dependencies
 +        command: |
 +          # note, this should be super quick as all dependencies should be pre-installed in the docker image
 +          # if additional dependencies were added to requirmeents.txt and the docker image hasn't been updated
 +          # we'd have to install it here at runtime -- which will make things slow, so do yourself a favor and
 +          # rebuild the docker image! (it automatically pulls the latest requirements.txt on build)
 +          source ~/env3.6/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          pip3 install --exists-action w --upgrade -r ~/cassandra-dtest/requirements.txt
 +          pip3 uninstall -y cqlsh
 +          pip3 freeze
 +    - run:
 +        name: Determine Tests to Run (j11_without_vnodes)
 +        no_output_timeout: 5m
 +        command: "# reminder: this code (along with all the steps) is independently executed on every circle container\n# so the goal here is to get the circleci script to return the tests *this* container will run\n# which we do via the `circleci` cli tool.\n\ncd cassandra-dtest\nsource ~/env3.6/bin/activate\nexport PATH=$JAVA_HOME/bin:$PATH\n\nif [ -n '' ]; then\n  export \nfi\n\necho \"***Collected DTests (j11_without_vnodes)***\"\nset -eo pipefail && ./run_dtests.py --skip-resource- [...]
 +    - run:
 +        name: Run dtests (j11_without_vnodes)
 +        no_output_timeout: 15m
 +        command: |
 +          echo "cat /tmp/split_dtest_tests_j11_without_vnodes_final.txt"
 +          cat /tmp/split_dtest_tests_j11_without_vnodes_final.txt
 +
 +          source ~/env3.6/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          if [ -n 'CQLSH_PYTHON=/usr/bin/python2.7' ]; then
 +            export CQLSH_PYTHON=/usr/bin/python2.7
 +          fi
 +
 +          java -version
 +          cd ~/cassandra-dtest
 +          mkdir -p /tmp/dtest
 +
 +          echo "env: $(env)"
 +          echo "** done env"
 +          mkdir -p /tmp/results/dtests
 +          # we need the "set -o pipefail" here so that the exit code that circleci will actually use is from pytest and not the exit code from tee
 +          export SPLIT_TESTS=`cat /tmp/split_dtest_tests_j11_without_vnodes_final.txt`
 +          set -o pipefail && cd ~/cassandra-dtest && pytest --skip-resource-intensive-tests --log-cli-level=DEBUG --junit-xml=/tmp/results/dtests/pytest_result_j11_without_vnodes.xml -s --cassandra-dir=/home/cassandra/cassandra --keep-test-dir $SPLIT_TESTS 2>&1 | tee /tmp/dtest/stdout.txt
 +    - store_test_results:
 +        path: /tmp/results
 +    - store_artifacts:
 +        path: /tmp/dtest
 +        destination: dtest_j11_without_vnodes
 +    - store_artifacts:
 +        path: ~/cassandra-dtest/logs
 +        destination: dtest_j11_without_vnodes_logs
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - CASSANDRA_USE_JDK11: true
 +  j11_cqlshlib_tests:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11:20210304
 +    resource_class: medium
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 1
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Run cqlshlib Unit Tests
 +        command: |
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          time mv ~/cassandra /tmp
 +          cd /tmp/cassandra/pylib
 +          ./cassandra-cqlsh-tests.sh ..
 +        no_output_timeout: 15m
 +    - store_test_results:
 +        path: /tmp/cassandra/pylib
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - CASSANDRA_USE_JDK11: true
 +  j8_dtests-with-vnodes:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11-w-dependencies:20210304
 +    resource_class: xlarge
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 100
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Clone Cassandra dtest Repository (via git)
 +        command: |
 +          git clone --single-branch --branch $DTEST_BRANCH --depth 1 $DTEST_REPO ~/cassandra-dtest
 +    - run:
 +        name: Configure virtualenv and python Dependencies
 +        command: |
 +          # note, this should be super quick as all dependencies should be pre-installed in the docker image
 +          # if additional dependencies were added to requirmeents.txt and the docker image hasn't been updated
 +          # we'd have to install it here at runtime -- which will make things slow, so do yourself a favor and
 +          # rebuild the docker image! (it automatically pulls the latest requirements.txt on build)
 +          source ~/env3.6/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          pip3 install --exists-action w --upgrade -r ~/cassandra-dtest/requirements.txt
 +          pip3 uninstall -y cqlsh
 +          pip3 freeze
 +    - run:
 +        name: Determine Tests to Run (j8_with_vnodes)
 +        no_output_timeout: 5m
 +        command: "# reminder: this code (along with all the steps) is independently executed on every circle container\n# so the goal here is to get the circleci script to return the tests *this* container will run\n# which we do via the `circleci` cli tool.\n\ncd cassandra-dtest\nsource ~/env3.6/bin/activate\nexport PATH=$JAVA_HOME/bin:$PATH\n\nif [ -n '' ]; then\n  export \nfi\n\necho \"***Collected DTests (j8_with_vnodes)***\"\nset -eo pipefail && ./run_dtests.py --use-vnodes --skip- [...]
 +    - run:
 +        name: Run dtests (j8_with_vnodes)
 +        no_output_timeout: 15m
 +        command: "echo \"cat /tmp/split_dtest_tests_j8_with_vnodes_final.txt\"\ncat /tmp/split_dtest_tests_j8_with_vnodes_final.txt\n\nsource ~/env3.6/bin/activate\nexport PATH=$JAVA_HOME/bin:$PATH\nif [ -n '' ]; then\n  export \nfi\n\njava -version\ncd ~/cassandra-dtest\nmkdir -p /tmp/dtest\n\necho \"env: $(env)\"\necho \"** done env\"\nmkdir -p /tmp/results/dtests\n# we need the \"set -o pipefail\" here so that the exit code that circleci will actually use is from pytest and not the e [...]
 +    - store_test_results:
 +        path: /tmp/results
 +    - store_artifacts:
 +        path: /tmp/dtest
 +        destination: dtest_j8_with_vnodes
 +    - store_artifacts:
 +        path: ~/cassandra-dtest/logs
 +        destination: dtest_j8_with_vnodes_logs
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +  j11_cqlsh-dtests-py38-no-vnodes:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11:20210304
 +    resource_class: xlarge
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 100
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Clone Cassandra dtest Repository (via git)
 +        command: |
 +          git clone --single-branch --branch $DTEST_BRANCH --depth 1 $DTEST_REPO ~/cassandra-dtest
 +    - run:
 +        name: Configure virtualenv and python Dependencies
 +        command: |
 +          # note, this should be super quick as all dependencies should be pre-installed in the docker image
 +          # if additional dependencies were added to requirmeents.txt and the docker image hasn't been updated
 +          # we'd have to install it here at runtime -- which will make things slow, so do yourself a favor and
 +          # rebuild the docker image! (it automatically pulls the latest requirements.txt on build)
 +          source ~/env3.8/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          pip3 install --exists-action w --upgrade -r ~/cassandra-dtest/requirements.txt
 +          pip3 uninstall -y cqlsh
 +          pip3 freeze
 +    - run:
 +        name: Determine Tests to Run (j11_without_vnodes)
 +        no_output_timeout: 5m
 +        command: "# reminder: this code (along with all the steps) is independently executed on every circle container\n# so the goal here is to get the circleci script to return the tests *this* container will run\n# which we do via the `circleci` cli tool.\n\ncd cassandra-dtest\nsource ~/env3.8/bin/activate\nexport PATH=$JAVA_HOME/bin:$PATH\n\nif [ -n '' ]; then\n  export \nfi\n\necho \"***Collected DTests (j11_without_vnodes)***\"\nset -eo pipefail && ./run_dtests.py --skip-resource- [...]
 +    - run:
 +        name: Run dtests (j11_without_vnodes)
 +        no_output_timeout: 15m
 +        command: |
 +          echo "cat /tmp/split_dtest_tests_j11_without_vnodes_final.txt"
 +          cat /tmp/split_dtest_tests_j11_without_vnodes_final.txt
 +
 +          source ~/env3.8/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          if [ -n 'CQLSH_PYTHON=/usr/bin/python3.8' ]; then
 +            export CQLSH_PYTHON=/usr/bin/python3.8
 +          fi
 +
 +          java -version
 +          cd ~/cassandra-dtest
 +          mkdir -p /tmp/dtest
 +
 +          echo "env: $(env)"
 +          echo "** done env"
 +          mkdir -p /tmp/results/dtests
 +          # we need the "set -o pipefail" here so that the exit code that circleci will actually use is from pytest and not the exit code from tee
 +          export SPLIT_TESTS=`cat /tmp/split_dtest_tests_j11_without_vnodes_final.txt`
 +          set -o pipefail && cd ~/cassandra-dtest && pytest --skip-resource-intensive-tests --log-cli-level=DEBUG --junit-xml=/tmp/results/dtests/pytest_result_j11_without_vnodes.xml -s --cassandra-dir=/home/cassandra/cassandra --keep-test-dir $SPLIT_TESTS 2>&1 | tee /tmp/dtest/stdout.txt
 +    - store_test_results:
 +        path: /tmp/results
 +    - store_artifacts:
 +        path: /tmp/dtest
 +        destination: dtest_j11_without_vnodes
 +    - store_artifacts:
 +        path: ~/cassandra-dtest/logs
 +        destination: dtest_j11_without_vnodes_logs
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
      - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - CASSANDRA_USE_JDK11: true
 +  j8_jvm_dtests:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11-w-dependencies:20210304
 +    resource_class: xlarge
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 5
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Determine distributed Tests to Run
 +        command: |
 +          # reminder: this code (along with all the steps) is independently executed on every circle container
 +          # so the goal here is to get the circleci script to return the tests *this* container will run
 +          # which we do via the `circleci` cli tool.
 +
 +          rm -fr ~/cassandra-dtest/upgrade_tests
 +          echo "***java tests***"
 +
 +          # get all of our unit test filenames
 +          set -eo pipefail && circleci tests glob "$HOME/cassandra/test/distributed/**/*.java" > /tmp/all_java_unit_tests.txt
 +
 +          # split up the unit tests into groups based on the number of containers we have
 +          set -eo pipefail && circleci tests split --split-by=timings --timings-type=filename --index=${CIRCLE_NODE_INDEX} --total=${CIRCLE_NODE_TOTAL} /tmp/all_java_unit_tests.txt > /tmp/java_tests_${CIRCLE_NODE_INDEX}.txt
 +          set -eo pipefail && cat /tmp/java_tests_${CIRCLE_NODE_INDEX}.txt | sed "s;^/home/cassandra/cassandra/test/distributed/;;g" | grep "Test\.java$" | grep -v upgrade > /tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt
 +          echo "** /tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt"
 +          cat /tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt
 +        no_output_timeout: 15m
 +    - run:
 +        name: Log Environment Information
 +        command: |
 +          echo '*** id ***'
 +          id
 +          echo '*** cat /proc/cpuinfo ***'
 +          cat /proc/cpuinfo
 +          echo '*** free -m ***'
 +          free -m
 +          echo '*** df -m ***'
 +          df -m
 +          echo '*** ifconfig -a ***'
 +          ifconfig -a
 +          echo '*** uname -a ***'
 +          uname -a
 +          echo '*** mount ***'
 +          mount
 +          echo '*** env ***'
 +          env
 +          echo '*** java ***'
 +          which java
 +          java -version
 +    - run:
-         name: Run Unit Tests (testclasslist -Dtest.runners=1)
++        name: Run Unit Tests (testclasslist)
 +        command: |
 +          set -x
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          time mv ~/cassandra /tmp
 +          cd /tmp/cassandra
 +          if [ -d ~/dtest_jars ]; then
 +            cp ~/dtest_jars/dtest* /tmp/cassandra/build/
 +          fi
 +          test_timeout=$(grep 'name="test.distributed.timeout"' build.xml | awk -F'"' '{print $4}' || true)
 +          if [ -z "$test_timeout" ]; then
 +            test_timeout=$(grep 'name="test.timeout"' build.xml | awk -F'"' '{print $4}')
 +          fi
-           ant testclasslist -Dtest.runners=1 -Dtest.timeout="$test_timeout" -Dtest.classlistfile=/tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt  -Dtest.classlistprefix=distributed
++          ant testclasslist -Dtest.timeout="$test_timeout" -Dtest.classlistfile=/tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt  -Dtest.classlistprefix=distributed
 +        no_output_timeout: 15m
 +    - store_test_results:
 +        path: /tmp/cassandra/build/test/output/
 +    - store_artifacts:
 +        path: /tmp/cassandra/build/test/output
 +        destination: junitxml
 +    - store_artifacts:
 +        path: /tmp/cassandra/build/test/logs
 +        destination: logs
 +    environment:
      - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
      - LANG: en_US.UTF-8
      - KEEP_TEST_DIR: true
      - DEFAULT_DIR: /home/cassandra/cassandra-dtest
diff --cc .circleci/config.yml.LOWRES
index 56f9bd9,53ee44c..069ca86
--- a/.circleci/config.yml.LOWRES
+++ b/.circleci/config.yml.LOWRES
@@@ -76,1611 -76,8 +76,1611 @@@ jobs
          path: /tmp/cassandra/build/test/logs
          destination: logs
      environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +  j8_cqlsh-dtests-py2-with-vnodes:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11-w-dependencies:20210304
 +    resource_class: medium
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 4
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Clone Cassandra dtest Repository (via git)
 +        command: |
 +          git clone --single-branch --branch $DTEST_BRANCH --depth 1 $DTEST_REPO ~/cassandra-dtest
 +    - run:
 +        name: Configure virtualenv and python Dependencies
 +        command: |
 +          # note, this should be super quick as all dependencies should be pre-installed in the docker image
 +          # if additional dependencies were added to requirmeents.txt and the docker image hasn't been updated
 +          # we'd have to install it here at runtime -- which will make things slow, so do yourself a favor and
 +          # rebuild the docker image! (it automatically pulls the latest requirements.txt on build)
 +          source ~/env3.6/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          pip3 install --exists-action w --upgrade -r ~/cassandra-dtest/requirements.txt
 +          pip3 uninstall -y cqlsh
 +          pip3 freeze
 +    - run:
 +        name: Determine Tests to Run (j8_with_vnodes)
 +        no_output_timeout: 5m
 +        command: "# reminder: this code (along with all the steps) is independently executed on every circle container\n# so the goal here is to get the circleci script to return the tests *this* container will run\n# which we do via the `circleci` cli tool.\n\ncd cassandra-dtest\nsource ~/env3.6/bin/activate\nexport PATH=$JAVA_HOME/bin:$PATH\n\nif [ -n '' ]; then\n  export \nfi\n\necho \"***Collected DTests (j8_with_vnodes)***\"\nset -eo pipefail && ./run_dtests.py --use-vnodes --skip- [...]
 +    - run:
 +        name: Run dtests (j8_with_vnodes)
 +        no_output_timeout: 15m
 +        command: |
 +          echo "cat /tmp/split_dtest_tests_j8_with_vnodes_final.txt"
 +          cat /tmp/split_dtest_tests_j8_with_vnodes_final.txt
 +
 +          source ~/env3.6/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          if [ -n 'CQLSH_PYTHON=/usr/bin/python2.7' ]; then
 +            export CQLSH_PYTHON=/usr/bin/python2.7
 +          fi
 +
 +          java -version
 +          cd ~/cassandra-dtest
 +          mkdir -p /tmp/dtest
 +
 +          echo "env: $(env)"
 +          echo "** done env"
 +          mkdir -p /tmp/results/dtests
 +          # we need the "set -o pipefail" here so that the exit code that circleci will actually use is from pytest and not the exit code from tee
 +          export SPLIT_TESTS=`cat /tmp/split_dtest_tests_j8_with_vnodes_final.txt`
 +          set -o pipefail && cd ~/cassandra-dtest && pytest --use-vnodes --num-tokens=16 --skip-resource-intensive-tests --log-cli-level=DEBUG --junit-xml=/tmp/results/dtests/pytest_result_j8_with_vnodes.xml -s --cassandra-dir=/home/cassandra/cassandra --keep-test-dir $SPLIT_TESTS 2>&1 | tee /tmp/dtest/stdout.txt
 +    - store_test_results:
 +        path: /tmp/results
 +    - store_artifacts:
 +        path: /tmp/dtest
 +        destination: dtest_j8_with_vnodes
 +    - store_artifacts:
 +        path: ~/cassandra-dtest/logs
 +        destination: dtest_j8_with_vnodes_logs
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +  j11_unit_tests:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11:20210304
 +    resource_class: medium
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 4
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Determine unit Tests to Run
 +        command: |
 +          # reminder: this code (along with all the steps) is independently executed on every circle container
 +          # so the goal here is to get the circleci script to return the tests *this* container will run
 +          # which we do via the `circleci` cli tool.
 +
 +          rm -fr ~/cassandra-dtest/upgrade_tests
 +          echo "***java tests***"
 +
 +          # get all of our unit test filenames
 +          set -eo pipefail && circleci tests glob "$HOME/cassandra/test/unit/**/*.java" > /tmp/all_java_unit_tests.txt
 +
 +          # split up the unit tests into groups based on the number of containers we have
 +          set -eo pipefail && circleci tests split --split-by=timings --timings-type=filename --index=${CIRCLE_NODE_INDEX} --total=${CIRCLE_NODE_TOTAL} /tmp/all_java_unit_tests.txt > /tmp/java_tests_${CIRCLE_NODE_INDEX}.txt
 +          set -eo pipefail && cat /tmp/java_tests_${CIRCLE_NODE_INDEX}.txt | sed "s;^/home/cassandra/cassandra/test/unit/;;g" | grep "Test\.java$"  > /tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt
 +          echo "** /tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt"
 +          cat /tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt
 +        no_output_timeout: 15m
 +    - run:
 +        name: Log Environment Information
 +        command: |
 +          echo '*** id ***'
 +          id
 +          echo '*** cat /proc/cpuinfo ***'
 +          cat /proc/cpuinfo
 +          echo '*** free -m ***'
 +          free -m
 +          echo '*** df -m ***'
 +          df -m
 +          echo '*** ifconfig -a ***'
 +          ifconfig -a
 +          echo '*** uname -a ***'
 +          uname -a
 +          echo '*** mount ***'
 +          mount
 +          echo '*** env ***'
 +          env
 +          echo '*** java ***'
 +          which java
 +          java -version
 +    - run:
 +        name: Run Unit Tests (testclasslist)
 +        command: |
 +          set -x
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          time mv ~/cassandra /tmp
 +          cd /tmp/cassandra
 +          if [ -d ~/dtest_jars ]; then
 +            cp ~/dtest_jars/dtest* /tmp/cassandra/build/
 +          fi
 +          test_timeout=$(grep 'name="test.unit.timeout"' build.xml | awk -F'"' '{print $4}' || true)
 +          if [ -z "$test_timeout" ]; then
 +            test_timeout=$(grep 'name="test.timeout"' build.xml | awk -F'"' '{print $4}')
 +          fi
 +          ant testclasslist -Dtest.timeout="$test_timeout" -Dtest.classlistfile=/tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt  -Dtest.classlistprefix=unit
 +        no_output_timeout: 15m
 +    - store_test_results:
 +        path: /tmp/cassandra/build/test/output/
 +    - store_artifacts:
 +        path: /tmp/cassandra/build/test/output
 +        destination: junitxml
 +    - store_artifacts:
 +        path: /tmp/cassandra/build/test/logs
 +        destination: logs
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - CASSANDRA_USE_JDK11: true
 +  j8_cqlsh-dtests-py38-no-vnodes:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11-w-dependencies:20210304
 +    resource_class: medium
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 4
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Clone Cassandra dtest Repository (via git)
 +        command: |
 +          git clone --single-branch --branch $DTEST_BRANCH --depth 1 $DTEST_REPO ~/cassandra-dtest
 +    - run:
 +        name: Configure virtualenv and python Dependencies
 +        command: |
 +          # note, this should be super quick as all dependencies should be pre-installed in the docker image
 +          # if additional dependencies were added to requirmeents.txt and the docker image hasn't been updated
 +          # we'd have to install it here at runtime -- which will make things slow, so do yourself a favor and
 +          # rebuild the docker image! (it automatically pulls the latest requirements.txt on build)
 +          source ~/env3.8/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          pip3 install --exists-action w --upgrade -r ~/cassandra-dtest/requirements.txt
 +          pip3 uninstall -y cqlsh
 +          pip3 freeze
 +    - run:
 +        name: Determine Tests to Run (j8_without_vnodes)
 +        no_output_timeout: 5m
 +        command: "# reminder: this code (along with all the steps) is independently executed on every circle container\n# so the goal here is to get the circleci script to return the tests *this* container will run\n# which we do via the `circleci` cli tool.\n\ncd cassandra-dtest\nsource ~/env3.8/bin/activate\nexport PATH=$JAVA_HOME/bin:$PATH\n\nif [ -n '' ]; then\n  export \nfi\n\necho \"***Collected DTests (j8_without_vnodes)***\"\nset -eo pipefail && ./run_dtests.py --skip-resource-i [...]
 +    - run:
 +        name: Run dtests (j8_without_vnodes)
 +        no_output_timeout: 15m
 +        command: |
 +          echo "cat /tmp/split_dtest_tests_j8_without_vnodes_final.txt"
 +          cat /tmp/split_dtest_tests_j8_without_vnodes_final.txt
 +
 +          source ~/env3.8/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          if [ -n 'CQLSH_PYTHON=/usr/bin/python3.8' ]; then
 +            export CQLSH_PYTHON=/usr/bin/python3.8
 +          fi
 +
 +          java -version
 +          cd ~/cassandra-dtest
 +          mkdir -p /tmp/dtest
 +
 +          echo "env: $(env)"
 +          echo "** done env"
 +          mkdir -p /tmp/results/dtests
 +          # we need the "set -o pipefail" here so that the exit code that circleci will actually use is from pytest and not the exit code from tee
 +          export SPLIT_TESTS=`cat /tmp/split_dtest_tests_j8_without_vnodes_final.txt`
 +          set -o pipefail && cd ~/cassandra-dtest && pytest --skip-resource-intensive-tests --log-cli-level=DEBUG --junit-xml=/tmp/results/dtests/pytest_result_j8_without_vnodes.xml -s --cassandra-dir=/home/cassandra/cassandra --keep-test-dir $SPLIT_TESTS 2>&1 | tee /tmp/dtest/stdout.txt
 +    - store_test_results:
 +        path: /tmp/results
 +    - store_artifacts:
 +        path: /tmp/dtest
 +        destination: dtest_j8_without_vnodes
 +    - store_artifacts:
 +        path: ~/cassandra-dtest/logs
 +        destination: dtest_j8_without_vnodes_logs
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +  j11_cqlsh-dtests-py3-with-vnodes:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11:20210304
 +    resource_class: medium
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 4
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Clone Cassandra dtest Repository (via git)
 +        command: |
 +          git clone --single-branch --branch $DTEST_BRANCH --depth 1 $DTEST_REPO ~/cassandra-dtest
 +    - run:
 +        name: Configure virtualenv and python Dependencies
 +        command: |
 +          # note, this should be super quick as all dependencies should be pre-installed in the docker image
 +          # if additional dependencies were added to requirmeents.txt and the docker image hasn't been updated
 +          # we'd have to install it here at runtime -- which will make things slow, so do yourself a favor and
 +          # rebuild the docker image! (it automatically pulls the latest requirements.txt on build)
 +          source ~/env3.6/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          pip3 install --exists-action w --upgrade -r ~/cassandra-dtest/requirements.txt
 +          pip3 uninstall -y cqlsh
 +          pip3 freeze
 +    - run:
 +        name: Determine Tests to Run (j11_with_vnodes)
 +        no_output_timeout: 5m
 +        command: "# reminder: this code (along with all the steps) is independently executed on every circle container\n# so the goal here is to get the circleci script to return the tests *this* container will run\n# which we do via the `circleci` cli tool.\n\ncd cassandra-dtest\nsource ~/env3.6/bin/activate\nexport PATH=$JAVA_HOME/bin:$PATH\n\nif [ -n '' ]; then\n  export \nfi\n\necho \"***Collected DTests (j11_with_vnodes)***\"\nset -eo pipefail && ./run_dtests.py --use-vnodes --skip [...]
 +    - run:
 +        name: Run dtests (j11_with_vnodes)
 +        no_output_timeout: 15m
 +        command: |
 +          echo "cat /tmp/split_dtest_tests_j11_with_vnodes_final.txt"
 +          cat /tmp/split_dtest_tests_j11_with_vnodes_final.txt
 +
 +          source ~/env3.6/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          if [ -n 'CQLSH_PYTHON=/usr/bin/python3.6' ]; then
 +            export CQLSH_PYTHON=/usr/bin/python3.6
 +          fi
 +
 +          java -version
 +          cd ~/cassandra-dtest
 +          mkdir -p /tmp/dtest
 +
 +          echo "env: $(env)"
 +          echo "** done env"
 +          mkdir -p /tmp/results/dtests
 +          # we need the "set -o pipefail" here so that the exit code that circleci will actually use is from pytest and not the exit code from tee
 +          export SPLIT_TESTS=`cat /tmp/split_dtest_tests_j11_with_vnodes_final.txt`
 +          set -o pipefail && cd ~/cassandra-dtest && pytest --use-vnodes --num-tokens=16 --skip-resource-intensive-tests --log-cli-level=DEBUG --junit-xml=/tmp/results/dtests/pytest_result_j11_with_vnodes.xml -s --cassandra-dir=/home/cassandra/cassandra --keep-test-dir $SPLIT_TESTS 2>&1 | tee /tmp/dtest/stdout.txt
 +    - store_test_results:
 +        path: /tmp/results
 +    - store_artifacts:
 +        path: /tmp/dtest
 +        destination: dtest_j11_with_vnodes
 +    - store_artifacts:
 +        path: ~/cassandra-dtest/logs
 +        destination: dtest_j11_with_vnodes_logs
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - CASSANDRA_USE_JDK11: true
 +  j11_cqlsh-dtests-py3-no-vnodes:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11:20210304
 +    resource_class: medium
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 4
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Clone Cassandra dtest Repository (via git)
 +        command: |
 +          git clone --single-branch --branch $DTEST_BRANCH --depth 1 $DTEST_REPO ~/cassandra-dtest
 +    - run:
 +        name: Configure virtualenv and python Dependencies
 +        command: |
 +          # note, this should be super quick as all dependencies should be pre-installed in the docker image
 +          # if additional dependencies were added to requirmeents.txt and the docker image hasn't been updated
 +          # we'd have to install it here at runtime -- which will make things slow, so do yourself a favor and
 +          # rebuild the docker image! (it automatically pulls the latest requirements.txt on build)
 +          source ~/env3.6/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          pip3 install --exists-action w --upgrade -r ~/cassandra-dtest/requirements.txt
 +          pip3 uninstall -y cqlsh
 +          pip3 freeze
 +    - run:
 +        name: Determine Tests to Run (j11_without_vnodes)
 +        no_output_timeout: 5m
 +        command: "# reminder: this code (along with all the steps) is independently executed on every circle container\n# so the goal here is to get the circleci script to return the tests *this* container will run\n# which we do via the `circleci` cli tool.\n\ncd cassandra-dtest\nsource ~/env3.6/bin/activate\nexport PATH=$JAVA_HOME/bin:$PATH\n\nif [ -n '' ]; then\n  export \nfi\n\necho \"***Collected DTests (j11_without_vnodes)***\"\nset -eo pipefail && ./run_dtests.py --skip-resource- [...]
 +    - run:
 +        name: Run dtests (j11_without_vnodes)
 +        no_output_timeout: 15m
 +        command: |
 +          echo "cat /tmp/split_dtest_tests_j11_without_vnodes_final.txt"
 +          cat /tmp/split_dtest_tests_j11_without_vnodes_final.txt
 +
 +          source ~/env3.6/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          if [ -n 'CQLSH_PYTHON=/usr/bin/python3.6' ]; then
 +            export CQLSH_PYTHON=/usr/bin/python3.6
 +          fi
 +
 +          java -version
 +          cd ~/cassandra-dtest
 +          mkdir -p /tmp/dtest
 +
 +          echo "env: $(env)"
 +          echo "** done env"
 +          mkdir -p /tmp/results/dtests
 +          # we need the "set -o pipefail" here so that the exit code that circleci will actually use is from pytest and not the exit code from tee
 +          export SPLIT_TESTS=`cat /tmp/split_dtest_tests_j11_without_vnodes_final.txt`
 +          set -o pipefail && cd ~/cassandra-dtest && pytest --skip-resource-intensive-tests --log-cli-level=DEBUG --junit-xml=/tmp/results/dtests/pytest_result_j11_without_vnodes.xml -s --cassandra-dir=/home/cassandra/cassandra --keep-test-dir $SPLIT_TESTS 2>&1 | tee /tmp/dtest/stdout.txt
 +    - store_test_results:
 +        path: /tmp/results
 +    - store_artifacts:
 +        path: /tmp/dtest
 +        destination: dtest_j11_without_vnodes
 +    - store_artifacts:
 +        path: ~/cassandra-dtest/logs
 +        destination: dtest_j11_without_vnodes_logs
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - CASSANDRA_USE_JDK11: true
 +  j11_cqlsh-dtests-py38-with-vnodes:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11:20210304
 +    resource_class: medium
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 4
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Clone Cassandra dtest Repository (via git)
 +        command: |
 +          git clone --single-branch --branch $DTEST_BRANCH --depth 1 $DTEST_REPO ~/cassandra-dtest
 +    - run:
 +        name: Configure virtualenv and python Dependencies
 +        command: |
 +          # note, this should be super quick as all dependencies should be pre-installed in the docker image
 +          # if additional dependencies were added to requirmeents.txt and the docker image hasn't been updated
 +          # we'd have to install it here at runtime -- which will make things slow, so do yourself a favor and
 +          # rebuild the docker image! (it automatically pulls the latest requirements.txt on build)
 +          source ~/env3.8/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          pip3 install --exists-action w --upgrade -r ~/cassandra-dtest/requirements.txt
 +          pip3 uninstall -y cqlsh
 +          pip3 freeze
 +    - run:
 +        name: Determine Tests to Run (j11_with_vnodes)
 +        no_output_timeout: 5m
 +        command: "# reminder: this code (along with all the steps) is independently executed on every circle container\n# so the goal here is to get the circleci script to return the tests *this* container will run\n# which we do via the `circleci` cli tool.\n\ncd cassandra-dtest\nsource ~/env3.8/bin/activate\nexport PATH=$JAVA_HOME/bin:$PATH\n\nif [ -n '' ]; then\n  export \nfi\n\necho \"***Collected DTests (j11_with_vnodes)***\"\nset -eo pipefail && ./run_dtests.py --use-vnodes --skip [...]
 +    - run:
 +        name: Run dtests (j11_with_vnodes)
 +        no_output_timeout: 15m
 +        command: |
 +          echo "cat /tmp/split_dtest_tests_j11_with_vnodes_final.txt"
 +          cat /tmp/split_dtest_tests_j11_with_vnodes_final.txt
 +
 +          source ~/env3.8/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          if [ -n 'CQLSH_PYTHON=/usr/bin/python3.8' ]; then
 +            export CQLSH_PYTHON=/usr/bin/python3.8
 +          fi
 +
 +          java -version
 +          cd ~/cassandra-dtest
 +          mkdir -p /tmp/dtest
 +
 +          echo "env: $(env)"
 +          echo "** done env"
 +          mkdir -p /tmp/results/dtests
 +          # we need the "set -o pipefail" here so that the exit code that circleci will actually use is from pytest and not the exit code from tee
 +          export SPLIT_TESTS=`cat /tmp/split_dtest_tests_j11_with_vnodes_final.txt`
 +          set -o pipefail && cd ~/cassandra-dtest && pytest --use-vnodes --num-tokens=16 --skip-resource-intensive-tests --log-cli-level=DEBUG --junit-xml=/tmp/results/dtests/pytest_result_j11_with_vnodes.xml -s --cassandra-dir=/home/cassandra/cassandra --keep-test-dir $SPLIT_TESTS 2>&1 | tee /tmp/dtest/stdout.txt
 +    - store_test_results:
 +        path: /tmp/results
 +    - store_artifacts:
 +        path: /tmp/dtest
 +        destination: dtest_j11_with_vnodes
 +    - store_artifacts:
 +        path: ~/cassandra-dtest/logs
 +        destination: dtest_j11_with_vnodes_logs
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - CASSANDRA_USE_JDK11: true
 +  j8_cqlsh-dtests-py3-with-vnodes:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11-w-dependencies:20210304
 +    resource_class: medium
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 4
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Clone Cassandra dtest Repository (via git)
 +        command: |
 +          git clone --single-branch --branch $DTEST_BRANCH --depth 1 $DTEST_REPO ~/cassandra-dtest
 +    - run:
 +        name: Configure virtualenv and python Dependencies
 +        command: |
 +          # note, this should be super quick as all dependencies should be pre-installed in the docker image
 +          # if additional dependencies were added to requirmeents.txt and the docker image hasn't been updated
 +          # we'd have to install it here at runtime -- which will make things slow, so do yourself a favor and
 +          # rebuild the docker image! (it automatically pulls the latest requirements.txt on build)
 +          source ~/env3.6/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          pip3 install --exists-action w --upgrade -r ~/cassandra-dtest/requirements.txt
 +          pip3 uninstall -y cqlsh
 +          pip3 freeze
 +    - run:
 +        name: Determine Tests to Run (j8_with_vnodes)
 +        no_output_timeout: 5m
 +        command: "# reminder: this code (along with all the steps) is independently executed on every circle container\n# so the goal here is to get the circleci script to return the tests *this* container will run\n# which we do via the `circleci` cli tool.\n\ncd cassandra-dtest\nsource ~/env3.6/bin/activate\nexport PATH=$JAVA_HOME/bin:$PATH\n\nif [ -n '' ]; then\n  export \nfi\n\necho \"***Collected DTests (j8_with_vnodes)***\"\nset -eo pipefail && ./run_dtests.py --use-vnodes --skip- [...]
 +    - run:
 +        name: Run dtests (j8_with_vnodes)
 +        no_output_timeout: 15m
 +        command: |
 +          echo "cat /tmp/split_dtest_tests_j8_with_vnodes_final.txt"
 +          cat /tmp/split_dtest_tests_j8_with_vnodes_final.txt
 +
 +          source ~/env3.6/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          if [ -n 'CQLSH_PYTHON=/usr/bin/python3.6' ]; then
 +            export CQLSH_PYTHON=/usr/bin/python3.6
 +          fi
 +
 +          java -version
 +          cd ~/cassandra-dtest
 +          mkdir -p /tmp/dtest
 +
 +          echo "env: $(env)"
 +          echo "** done env"
 +          mkdir -p /tmp/results/dtests
 +          # we need the "set -o pipefail" here so that the exit code that circleci will actually use is from pytest and not the exit code from tee
 +          export SPLIT_TESTS=`cat /tmp/split_dtest_tests_j8_with_vnodes_final.txt`
 +          set -o pipefail && cd ~/cassandra-dtest && pytest --use-vnodes --num-tokens=16 --skip-resource-intensive-tests --log-cli-level=DEBUG --junit-xml=/tmp/results/dtests/pytest_result_j8_with_vnodes.xml -s --cassandra-dir=/home/cassandra/cassandra --keep-test-dir $SPLIT_TESTS 2>&1 | tee /tmp/dtest/stdout.txt
 +    - store_test_results:
 +        path: /tmp/results
 +    - store_artifacts:
 +        path: /tmp/dtest
 +        destination: dtest_j8_with_vnodes
 +    - store_artifacts:
 +        path: ~/cassandra-dtest/logs
 +        destination: dtest_j8_with_vnodes_logs
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +  j8_cqlsh-dtests-py2-no-vnodes:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11-w-dependencies:20210304
 +    resource_class: medium
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 4
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Clone Cassandra dtest Repository (via git)
 +        command: |
 +          git clone --single-branch --branch $DTEST_BRANCH --depth 1 $DTEST_REPO ~/cassandra-dtest
 +    - run:
 +        name: Configure virtualenv and python Dependencies
 +        command: |
 +          # note, this should be super quick as all dependencies should be pre-installed in the docker image
 +          # if additional dependencies were added to requirmeents.txt and the docker image hasn't been updated
 +          # we'd have to install it here at runtime -- which will make things slow, so do yourself a favor and
 +          # rebuild the docker image! (it automatically pulls the latest requirements.txt on build)
 +          source ~/env3.6/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          pip3 install --exists-action w --upgrade -r ~/cassandra-dtest/requirements.txt
 +          pip3 uninstall -y cqlsh
 +          pip3 freeze
 +    - run:
 +        name: Determine Tests to Run (j8_without_vnodes)
 +        no_output_timeout: 5m
 +        command: "# reminder: this code (along with all the steps) is independently executed on every circle container\n# so the goal here is to get the circleci script to return the tests *this* container will run\n# which we do via the `circleci` cli tool.\n\ncd cassandra-dtest\nsource ~/env3.6/bin/activate\nexport PATH=$JAVA_HOME/bin:$PATH\n\nif [ -n '' ]; then\n  export \nfi\n\necho \"***Collected DTests (j8_without_vnodes)***\"\nset -eo pipefail && ./run_dtests.py --skip-resource-i [...]
 +    - run:
 +        name: Run dtests (j8_without_vnodes)
 +        no_output_timeout: 15m
 +        command: |
 +          echo "cat /tmp/split_dtest_tests_j8_without_vnodes_final.txt"
 +          cat /tmp/split_dtest_tests_j8_without_vnodes_final.txt
 +
 +          source ~/env3.6/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          if [ -n 'CQLSH_PYTHON=/usr/bin/python2.7' ]; then
 +            export CQLSH_PYTHON=/usr/bin/python2.7
 +          fi
 +
 +          java -version
 +          cd ~/cassandra-dtest
 +          mkdir -p /tmp/dtest
 +
 +          echo "env: $(env)"
 +          echo "** done env"
 +          mkdir -p /tmp/results/dtests
 +          # we need the "set -o pipefail" here so that the exit code that circleci will actually use is from pytest and not the exit code from tee
 +          export SPLIT_TESTS=`cat /tmp/split_dtest_tests_j8_without_vnodes_final.txt`
 +          set -o pipefail && cd ~/cassandra-dtest && pytest --skip-resource-intensive-tests --log-cli-level=DEBUG --junit-xml=/tmp/results/dtests/pytest_result_j8_without_vnodes.xml -s --cassandra-dir=/home/cassandra/cassandra --keep-test-dir $SPLIT_TESTS 2>&1 | tee /tmp/dtest/stdout.txt
 +    - store_test_results:
 +        path: /tmp/results
 +    - store_artifacts:
 +        path: /tmp/dtest
 +        destination: dtest_j8_without_vnodes
 +    - store_artifacts:
 +        path: ~/cassandra-dtest/logs
 +        destination: dtest_j8_without_vnodes_logs
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +  j11_cqlsh-dtests-py2-with-vnodes:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11:20210304
 +    resource_class: medium
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 4
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Clone Cassandra dtest Repository (via git)
 +        command: |
 +          git clone --single-branch --branch $DTEST_BRANCH --depth 1 $DTEST_REPO ~/cassandra-dtest
 +    - run:
 +        name: Configure virtualenv and python Dependencies
 +        command: |
 +          # note, this should be super quick as all dependencies should be pre-installed in the docker image
 +          # if additional dependencies were added to requirmeents.txt and the docker image hasn't been updated
 +          # we'd have to install it here at runtime -- which will make things slow, so do yourself a favor and
 +          # rebuild the docker image! (it automatically pulls the latest requirements.txt on build)
 +          source ~/env3.6/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          pip3 install --exists-action w --upgrade -r ~/cassandra-dtest/requirements.txt
 +          pip3 uninstall -y cqlsh
 +          pip3 freeze
 +    - run:
 +        name: Determine Tests to Run (j11_with_vnodes)
 +        no_output_timeout: 5m
 +        command: "# reminder: this code (along with all the steps) is independently executed on every circle container\n# so the goal here is to get the circleci script to return the tests *this* container will run\n# which we do via the `circleci` cli tool.\n\ncd cassandra-dtest\nsource ~/env3.6/bin/activate\nexport PATH=$JAVA_HOME/bin:$PATH\n\nif [ -n '' ]; then\n  export \nfi\n\necho \"***Collected DTests (j11_with_vnodes)***\"\nset -eo pipefail && ./run_dtests.py --use-vnodes --skip [...]
 +    - run:
 +        name: Run dtests (j11_with_vnodes)
 +        no_output_timeout: 15m
 +        command: |
 +          echo "cat /tmp/split_dtest_tests_j11_with_vnodes_final.txt"
 +          cat /tmp/split_dtest_tests_j11_with_vnodes_final.txt
 +
 +          source ~/env3.6/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          if [ -n 'CQLSH_PYTHON=/usr/bin/python2.7' ]; then
 +            export CQLSH_PYTHON=/usr/bin/python2.7
 +          fi
 +
 +          java -version
 +          cd ~/cassandra-dtest
 +          mkdir -p /tmp/dtest
 +
 +          echo "env: $(env)"
 +          echo "** done env"
 +          mkdir -p /tmp/results/dtests
 +          # we need the "set -o pipefail" here so that the exit code that circleci will actually use is from pytest and not the exit code from tee
 +          export SPLIT_TESTS=`cat /tmp/split_dtest_tests_j11_with_vnodes_final.txt`
 +          set -o pipefail && cd ~/cassandra-dtest && pytest --use-vnodes --num-tokens=16 --skip-resource-intensive-tests --log-cli-level=DEBUG --junit-xml=/tmp/results/dtests/pytest_result_j11_with_vnodes.xml -s --cassandra-dir=/home/cassandra/cassandra --keep-test-dir $SPLIT_TESTS 2>&1 | tee /tmp/dtest/stdout.txt
 +    - store_test_results:
 +        path: /tmp/results
 +    - store_artifacts:
 +        path: /tmp/dtest
 +        destination: dtest_j11_with_vnodes
 +    - store_artifacts:
 +        path: ~/cassandra-dtest/logs
 +        destination: dtest_j11_with_vnodes_logs
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - CASSANDRA_USE_JDK11: true
 +  j11_dtests-with-vnodes:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11:20210304
 +    resource_class: medium
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 4
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Log Environment Information
 +        command: |
 +          echo '*** id ***'
 +          id
 +          echo '*** cat /proc/cpuinfo ***'
 +          cat /proc/cpuinfo
 +          echo '*** free -m ***'
 +          free -m
 +          echo '*** df -m ***'
 +          df -m
 +          echo '*** ifconfig -a ***'
 +          ifconfig -a
 +          echo '*** uname -a ***'
 +          uname -a
 +          echo '*** mount ***'
 +          mount
 +          echo '*** env ***'
 +          env
 +          echo '*** java ***'
 +          which java
 +          java -version
 +    - run:
 +        name: Clone Cassandra dtest Repository (via git)
 +        command: |
 +          git clone --single-branch --branch $DTEST_BRANCH --depth 1 $DTEST_REPO ~/cassandra-dtest
 +    - run:
 +        name: Configure virtualenv and python Dependencies
 +        command: |
 +          # note, this should be super quick as all dependencies should be pre-installed in the docker image
 +          # if additional dependencies were added to requirmeents.txt and the docker image hasn't been updated
 +          # we'd have to install it here at runtime -- which will make things slow, so do yourself a favor and
 +          # rebuild the docker image! (it automatically pulls the latest requirements.txt on build)
 +          source ~/env3.6/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          pip3 install --exists-action w --upgrade -r ~/cassandra-dtest/requirements.txt
 +          pip3 uninstall -y cqlsh
 +          pip3 freeze
 +    - run:
 +        name: Determine Tests to Run (j11_with_vnodes)
 +        no_output_timeout: 5m
 +        command: "# reminder: this code (along with all the steps) is independently executed on every circle container\n# so the goal here is to get the circleci script to return the tests *this* container will run\n# which we do via the `circleci` cli tool.\n\ncd cassandra-dtest\nsource ~/env3.6/bin/activate\nexport PATH=$JAVA_HOME/bin:$PATH\n\nif [ -n '' ]; then\n  export \nfi\n\necho \"***Collected DTests (j11_with_vnodes)***\"\nset -eo pipefail && ./run_dtests.py --use-vnodes --skip [...]
 +    - run:
 +        name: Run dtests (j11_with_vnodes)
 +        no_output_timeout: 15m
 +        command: "echo \"cat /tmp/split_dtest_tests_j11_with_vnodes_final.txt\"\ncat /tmp/split_dtest_tests_j11_with_vnodes_final.txt\n\nsource ~/env3.6/bin/activate\nexport PATH=$JAVA_HOME/bin:$PATH\nif [ -n '' ]; then\n  export \nfi\n\njava -version\ncd ~/cassandra-dtest\nmkdir -p /tmp/dtest\n\necho \"env: $(env)\"\necho \"** done env\"\nmkdir -p /tmp/results/dtests\n# we need the \"set -o pipefail\" here so that the exit code that circleci will actually use is from pytest and not the [...]
 +    - store_test_results:
 +        path: /tmp/results
 +    - store_artifacts:
 +        path: /tmp/dtest
 +        destination: dtest_j11_with_vnodes
 +    - store_artifacts:
 +        path: ~/cassandra-dtest/logs
 +        destination: dtest_j11_with_vnodes_logs
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - CASSANDRA_USE_JDK11: true
 +  j8_dtests-no-vnodes:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11-w-dependencies:20210304
 +    resource_class: medium
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 4
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Clone Cassandra dtest Repository (via git)
 +        command: |
 +          git clone --single-branch --branch $DTEST_BRANCH --depth 1 $DTEST_REPO ~/cassandra-dtest
 +    - run:
 +        name: Configure virtualenv and python Dependencies
 +        command: |
 +          # note, this should be super quick as all dependencies should be pre-installed in the docker image
 +          # if additional dependencies were added to requirmeents.txt and the docker image hasn't been updated
 +          # we'd have to install it here at runtime -- which will make things slow, so do yourself a favor and
 +          # rebuild the docker image! (it automatically pulls the latest requirements.txt on build)
 +          source ~/env3.6/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          pip3 install --exists-action w --upgrade -r ~/cassandra-dtest/requirements.txt
 +          pip3 uninstall -y cqlsh
 +          pip3 freeze
 +    - run:
 +        name: Determine Tests to Run (j8_without_vnodes)
 +        no_output_timeout: 5m
 +        command: "# reminder: this code (along with all the steps) is independently executed on every circle container\n# so the goal here is to get the circleci script to return the tests *this* container will run\n# which we do via the `circleci` cli tool.\n\ncd cassandra-dtest\nsource ~/env3.6/bin/activate\nexport PATH=$JAVA_HOME/bin:$PATH\n\nif [ -n '' ]; then\n  export \nfi\n\necho \"***Collected DTests (j8_without_vnodes)***\"\nset -eo pipefail && ./run_dtests.py --skip-resource-i [...]
 +    - run:
 +        name: Run dtests (j8_without_vnodes)
 +        no_output_timeout: 15m
 +        command: "echo \"cat /tmp/split_dtest_tests_j8_without_vnodes_final.txt\"\ncat /tmp/split_dtest_tests_j8_without_vnodes_final.txt\n\nsource ~/env3.6/bin/activate\nexport PATH=$JAVA_HOME/bin:$PATH\nif [ -n '' ]; then\n  export \nfi\n\njava -version\ncd ~/cassandra-dtest\nmkdir -p /tmp/dtest\n\necho \"env: $(env)\"\necho \"** done env\"\nmkdir -p /tmp/results/dtests\n# we need the \"set -o pipefail\" here so that the exit code that circleci will actually use is from pytest and not [...]
 +    - store_test_results:
 +        path: /tmp/results
 +    - store_artifacts:
 +        path: /tmp/dtest
 +        destination: dtest_j8_without_vnodes
 +    - store_artifacts:
 +        path: ~/cassandra-dtest/logs
 +        destination: dtest_j8_without_vnodes_logs
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +  j8_upgradetests-no-vnodes:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11-w-dependencies:20210304
 +    resource_class: medium
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 4
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Clone Cassandra dtest Repository (via git)
 +        command: |
 +          git clone --single-branch --branch $DTEST_BRANCH --depth 1 $DTEST_REPO ~/cassandra-dtest
 +    - run:
 +        name: Configure virtualenv and python Dependencies
 +        command: |
 +          # note, this should be super quick as all dependencies should be pre-installed in the docker image
 +          # if additional dependencies were added to requirmeents.txt and the docker image hasn't been updated
 +          # we'd have to install it here at runtime -- which will make things slow, so do yourself a favor and
 +          # rebuild the docker image! (it automatically pulls the latest requirements.txt on build)
 +          source ~/env3.6/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          pip3 install --exists-action w --upgrade -r ~/cassandra-dtest/requirements.txt
 +          pip3 uninstall -y cqlsh
 +          pip3 freeze
 +    - run:
 +        name: Determine Tests to Run (j8_upgradetests_without_vnodes)
 +        no_output_timeout: 5m
 +        command: "# reminder: this code (along with all the steps) is independently executed on every circle container\n# so the goal here is to get the circleci script to return the tests *this* container will run\n# which we do via the `circleci` cli tool.\n\ncd cassandra-dtest\nsource ~/env3.6/bin/activate\nexport PATH=$JAVA_HOME/bin:$PATH\n\nif [ -n '' ]; then\n  export \nfi\n\necho \"***Collected DTests (j8_upgradetests_without_vnodes)***\"\nset -eo pipefail && ./run_dtests.py --ex [...]
 +    - run:
 +        name: Run dtests (j8_upgradetests_without_vnodes)
 +        no_output_timeout: 15m
 +        command: "echo \"cat /tmp/split_dtest_tests_j8_upgradetests_without_vnodes_final.txt\"\ncat /tmp/split_dtest_tests_j8_upgradetests_without_vnodes_final.txt\n\nsource ~/env3.6/bin/activate\nexport PATH=$JAVA_HOME/bin:$PATH\nif [ -n '' ]; then\n  export \nfi\n\njava -version\ncd ~/cassandra-dtest\nmkdir -p /tmp/dtest\n\necho \"env: $(env)\"\necho \"** done env\"\nmkdir -p /tmp/results/dtests\n# we need the \"set -o pipefail\" here so that the exit code that circleci will actually  [...]
 +    - store_test_results:
 +        path: /tmp/results
 +    - store_artifacts:
 +        path: /tmp/dtest
 +        destination: dtest_j8_upgradetests_without_vnodes
 +    - store_artifacts:
 +        path: ~/cassandra-dtest/logs
 +        destination: dtest_j8_upgradetests_without_vnodes_logs
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +  utests_stress:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11-w-dependencies:20210304
 +    resource_class: medium
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 1
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Run Unit Tests (stress-test)
 +        command: |
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          time mv ~/cassandra /tmp
 +          cd /tmp/cassandra
 +          if [ -d ~/dtest_jars ]; then
 +            cp ~/dtest_jars/dtest* /tmp/cassandra/build/
 +          fi
 +          ant stress-test
 +        no_output_timeout: 15m
 +    - store_test_results:
 +        path: /tmp/cassandra/build/test/output/
 +    - store_artifacts:
 +        path: /tmp/cassandra/build/test/output
 +        destination: junitxml
 +    - store_artifacts:
 +        path: /tmp/cassandra/build/test/logs
 +        destination: logs
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +  j8_unit_tests:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11-w-dependencies:20210304
 +    resource_class: medium
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 4
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Determine unit Tests to Run
 +        command: |
 +          # reminder: this code (along with all the steps) is independently executed on every circle container
 +          # so the goal here is to get the circleci script to return the tests *this* container will run
 +          # which we do via the `circleci` cli tool.
 +
 +          rm -fr ~/cassandra-dtest/upgrade_tests
 +          echo "***java tests***"
 +
 +          # get all of our unit test filenames
 +          set -eo pipefail && circleci tests glob "$HOME/cassandra/test/unit/**/*.java" > /tmp/all_java_unit_tests.txt
 +
 +          # split up the unit tests into groups based on the number of containers we have
 +          set -eo pipefail && circleci tests split --split-by=timings --timings-type=filename --index=${CIRCLE_NODE_INDEX} --total=${CIRCLE_NODE_TOTAL} /tmp/all_java_unit_tests.txt > /tmp/java_tests_${CIRCLE_NODE_INDEX}.txt
 +          set -eo pipefail && cat /tmp/java_tests_${CIRCLE_NODE_INDEX}.txt | sed "s;^/home/cassandra/cassandra/test/unit/;;g" | grep "Test\.java$"  > /tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt
 +          echo "** /tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt"
 +          cat /tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt
 +        no_output_timeout: 15m
 +    - run:
 +        name: Log Environment Information
 +        command: |
 +          echo '*** id ***'
 +          id
 +          echo '*** cat /proc/cpuinfo ***'
 +          cat /proc/cpuinfo
 +          echo '*** free -m ***'
 +          free -m
 +          echo '*** df -m ***'
 +          df -m
 +          echo '*** ifconfig -a ***'
 +          ifconfig -a
 +          echo '*** uname -a ***'
 +          uname -a
 +          echo '*** mount ***'
 +          mount
 +          echo '*** env ***'
 +          env
 +          echo '*** java ***'
 +          which java
 +          java -version
 +    - run:
 +        name: Run Unit Tests (testclasslist)
 +        command: |
 +          set -x
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          time mv ~/cassandra /tmp
 +          cd /tmp/cassandra
 +          if [ -d ~/dtest_jars ]; then
 +            cp ~/dtest_jars/dtest* /tmp/cassandra/build/
 +          fi
 +          test_timeout=$(grep 'name="test.unit.timeout"' build.xml | awk -F'"' '{print $4}' || true)
 +          if [ -z "$test_timeout" ]; then
 +            test_timeout=$(grep 'name="test.timeout"' build.xml | awk -F'"' '{print $4}')
 +          fi
 +          ant testclasslist -Dtest.timeout="$test_timeout" -Dtest.classlistfile=/tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt  -Dtest.classlistprefix=unit
 +        no_output_timeout: 15m
 +    - store_test_results:
 +        path: /tmp/cassandra/build/test/output/
 +    - store_artifacts:
 +        path: /tmp/cassandra/build/test/output
 +        destination: junitxml
 +    - store_artifacts:
 +        path: /tmp/cassandra/build/test/logs
 +        destination: logs
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +  j11_jvm_dtests:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11:20210304
 +    resource_class: medium
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 1
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Determine distributed Tests to Run
 +        command: |
 +          # reminder: this code (along with all the steps) is independently executed on every circle container
 +          # so the goal here is to get the circleci script to return the tests *this* container will run
 +          # which we do via the `circleci` cli tool.
 +
 +          rm -fr ~/cassandra-dtest/upgrade_tests
 +          echo "***java tests***"
 +
 +          # get all of our unit test filenames
 +          set -eo pipefail && circleci tests glob "$HOME/cassandra/test/distributed/**/*.java" > /tmp/all_java_unit_tests.txt
 +
 +          # split up the unit tests into groups based on the number of containers we have
 +          set -eo pipefail && circleci tests split --split-by=timings --timings-type=filename --index=${CIRCLE_NODE_INDEX} --total=${CIRCLE_NODE_TOTAL} /tmp/all_java_unit_tests.txt > /tmp/java_tests_${CIRCLE_NODE_INDEX}.txt
 +          set -eo pipefail && cat /tmp/java_tests_${CIRCLE_NODE_INDEX}.txt | sed "s;^/home/cassandra/cassandra/test/distributed/;;g" | grep "Test\.java$" | grep -v upgrade > /tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt
 +          echo "** /tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt"
 +          cat /tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt
 +        no_output_timeout: 15m
 +    - run:
 +        name: Log Environment Information
 +        command: |
 +          echo '*** id ***'
 +          id
 +          echo '*** cat /proc/cpuinfo ***'
 +          cat /proc/cpuinfo
 +          echo '*** free -m ***'
 +          free -m
 +          echo '*** df -m ***'
 +          df -m
 +          echo '*** ifconfig -a ***'
 +          ifconfig -a
 +          echo '*** uname -a ***'
 +          uname -a
 +          echo '*** mount ***'
 +          mount
 +          echo '*** env ***'
 +          env
 +          echo '*** java ***'
 +          which java
 +          java -version
 +    - run:
-         name: Run Unit Tests (testclasslist -Dtest.runners=1)
++        name: Run Unit Tests (testclasslist)
 +        command: |
 +          set -x
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          time mv ~/cassandra /tmp
 +          cd /tmp/cassandra
 +          if [ -d ~/dtest_jars ]; then
 +            cp ~/dtest_jars/dtest* /tmp/cassandra/build/
 +          fi
 +          test_timeout=$(grep 'name="test.distributed.timeout"' build.xml | awk -F'"' '{print $4}' || true)
 +          if [ -z "$test_timeout" ]; then
 +            test_timeout=$(grep 'name="test.timeout"' build.xml | awk -F'"' '{print $4}')
 +          fi
-           ant testclasslist -Dtest.runners=1 -Dtest.timeout="$test_timeout" -Dtest.classlistfile=/tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt  -Dtest.classlistprefix=distributed
++          ant testclasslist -Dtest.timeout="$test_timeout" -Dtest.classlistfile=/tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt  -Dtest.classlistprefix=distributed
 +        no_output_timeout: 15m
 +    - store_test_results:
 +        path: /tmp/cassandra/build/test/output/
 +    - store_artifacts:
 +        path: /tmp/cassandra/build/test/output
 +        destination: junitxml
 +    - store_artifacts:
 +        path: /tmp/cassandra/build/test/logs
 +        destination: logs
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - CASSANDRA_USE_JDK11: true
 +  j11_build:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11:20210304
 +    resource_class: medium
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 1
 +    steps:
 +    - run:
 +        name: Log Environment Information
 +        command: |
 +          echo '*** id ***'
 +          id
 +          echo '*** cat /proc/cpuinfo ***'
 +          cat /proc/cpuinfo
 +          echo '*** free -m ***'
 +          free -m
 +          echo '*** df -m ***'
 +          df -m
 +          echo '*** ifconfig -a ***'
 +          ifconfig -a
 +          echo '*** uname -a ***'
 +          uname -a
 +          echo '*** mount ***'
 +          mount
 +          echo '*** env ***'
 +          env
 +          echo '*** java ***'
 +          which java
 +          java -version
 +    - run:
 +        name: Clone Cassandra Repository (via git)
 +        command: |
 +          git clone --single-branch --depth 1 --branch $CIRCLE_BRANCH git://github.com/$CIRCLE_PROJECT_USERNAME/$CIRCLE_PROJECT_REPONAME.git ~/cassandra
 +    - run:
 +        name: Build Cassandra
 +        command: |
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          cd ~/cassandra
 +          # Loop to prevent failure due to maven-ant-tasks not downloading a jar..
 +          for x in $(seq 1 3); do
 +              ${ANT_HOME}/bin/ant clean realclean jar
 +              RETURN="$?"
 +              if [ "${RETURN}" -eq "0" ]; then
 +                  break
 +              fi
 +          done
 +          # Exit, if we didn't build successfully
 +          if [ "${RETURN}" -ne "0" ]; then
 +              echo "Build failed with exit code: ${RETURN}"
 +              exit ${RETURN}
 +          fi
 +        no_output_timeout: 15m
 +    - run:
 +        name: Run eclipse-warnings
 +        command: |
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          cd ~/cassandra
 +          ant eclipse-warnings
 +    - persist_to_workspace:
 +        root: /home/cassandra
 +        paths:
 +        - cassandra
 +        - .m2
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - CASSANDRA_USE_JDK11: true
 +  j11_cqlsh-dtests-py2-no-vnodes:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11:20210304
 +    resource_class: medium
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 4
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Clone Cassandra dtest Repository (via git)
 +        command: |
 +          git clone --single-branch --branch $DTEST_BRANCH --depth 1 $DTEST_REPO ~/cassandra-dtest
 +    - run:
 +        name: Configure virtualenv and python Dependencies
 +        command: |
 +          # note, this should be super quick as all dependencies should be pre-installed in the docker image
 +          # if additional dependencies were added to requirmeents.txt and the docker image hasn't been updated
 +          # we'd have to install it here at runtime -- which will make things slow, so do yourself a favor and
 +          # rebuild the docker image! (it automatically pulls the latest requirements.txt on build)
 +          source ~/env3.6/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          pip3 install --exists-action w --upgrade -r ~/cassandra-dtest/requirements.txt
 +          pip3 uninstall -y cqlsh
 +          pip3 freeze
 +    - run:
 +        name: Determine Tests to Run (j11_without_vnodes)
 +        no_output_timeout: 5m
 +        command: "# reminder: this code (along with all the steps) is independently executed on every circle container\n# so the goal here is to get the circleci script to return the tests *this* container will run\n# which we do via the `circleci` cli tool.\n\ncd cassandra-dtest\nsource ~/env3.6/bin/activate\nexport PATH=$JAVA_HOME/bin:$PATH\n\nif [ -n '' ]; then\n  export \nfi\n\necho \"***Collected DTests (j11_without_vnodes)***\"\nset -eo pipefail && ./run_dtests.py --skip-resource- [...]
 +    - run:
 +        name: Run dtests (j11_without_vnodes)
 +        no_output_timeout: 15m
 +        command: |
 +          echo "cat /tmp/split_dtest_tests_j11_without_vnodes_final.txt"
 +          cat /tmp/split_dtest_tests_j11_without_vnodes_final.txt
 +
 +          source ~/env3.6/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          if [ -n 'CQLSH_PYTHON=/usr/bin/python2.7' ]; then
 +            export CQLSH_PYTHON=/usr/bin/python2.7
 +          fi
 +
 +          java -version
 +          cd ~/cassandra-dtest
 +          mkdir -p /tmp/dtest
 +
 +          echo "env: $(env)"
 +          echo "** done env"
 +          mkdir -p /tmp/results/dtests
 +          # we need the "set -o pipefail" here so that the exit code that circleci will actually use is from pytest and not the exit code from tee
 +          export SPLIT_TESTS=`cat /tmp/split_dtest_tests_j11_without_vnodes_final.txt`
 +          set -o pipefail && cd ~/cassandra-dtest && pytest --skip-resource-intensive-tests --log-cli-level=DEBUG --junit-xml=/tmp/results/dtests/pytest_result_j11_without_vnodes.xml -s --cassandra-dir=/home/cassandra/cassandra --keep-test-dir $SPLIT_TESTS 2>&1 | tee /tmp/dtest/stdout.txt
 +    - store_test_results:
 +        path: /tmp/results
 +    - store_artifacts:
 +        path: /tmp/dtest
 +        destination: dtest_j11_without_vnodes
 +    - store_artifacts:
 +        path: ~/cassandra-dtest/logs
 +        destination: dtest_j11_without_vnodes_logs
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - CASSANDRA_USE_JDK11: true
 +  j11_cqlshlib_tests:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11:20210304
 +    resource_class: medium
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 1
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Run cqlshlib Unit Tests
 +        command: |
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          time mv ~/cassandra /tmp
 +          cd /tmp/cassandra/pylib
 +          ./cassandra-cqlsh-tests.sh ..
 +        no_output_timeout: 15m
 +    - store_test_results:
 +        path: /tmp/cassandra/pylib
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - CASSANDRA_USE_JDK11: true
 +  j8_dtests-with-vnodes:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11-w-dependencies:20210304
 +    resource_class: medium
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 4
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Clone Cassandra dtest Repository (via git)
 +        command: |
 +          git clone --single-branch --branch $DTEST_BRANCH --depth 1 $DTEST_REPO ~/cassandra-dtest
 +    - run:
 +        name: Configure virtualenv and python Dependencies
 +        command: |
 +          # note, this should be super quick as all dependencies should be pre-installed in the docker image
 +          # if additional dependencies were added to requirmeents.txt and the docker image hasn't been updated
 +          # we'd have to install it here at runtime -- which will make things slow, so do yourself a favor and
 +          # rebuild the docker image! (it automatically pulls the latest requirements.txt on build)
 +          source ~/env3.6/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          pip3 install --exists-action w --upgrade -r ~/cassandra-dtest/requirements.txt
 +          pip3 uninstall -y cqlsh
 +          pip3 freeze
 +    - run:
 +        name: Determine Tests to Run (j8_with_vnodes)
 +        no_output_timeout: 5m
 +        command: "# reminder: this code (along with all the steps) is independently executed on every circle container\n# so the goal here is to get the circleci script to return the tests *this* container will run\n# which we do via the `circleci` cli tool.\n\ncd cassandra-dtest\nsource ~/env3.6/bin/activate\nexport PATH=$JAVA_HOME/bin:$PATH\n\nif [ -n '' ]; then\n  export \nfi\n\necho \"***Collected DTests (j8_with_vnodes)***\"\nset -eo pipefail && ./run_dtests.py --use-vnodes --skip- [...]
 +    - run:
 +        name: Run dtests (j8_with_vnodes)
 +        no_output_timeout: 15m
 +        command: "echo \"cat /tmp/split_dtest_tests_j8_with_vnodes_final.txt\"\ncat /tmp/split_dtest_tests_j8_with_vnodes_final.txt\n\nsource ~/env3.6/bin/activate\nexport PATH=$JAVA_HOME/bin:$PATH\nif [ -n '' ]; then\n  export \nfi\n\njava -version\ncd ~/cassandra-dtest\nmkdir -p /tmp/dtest\n\necho \"env: $(env)\"\necho \"** done env\"\nmkdir -p /tmp/results/dtests\n# we need the \"set -o pipefail\" here so that the exit code that circleci will actually use is from pytest and not the e [...]
 +    - store_test_results:
 +        path: /tmp/results
 +    - store_artifacts:
 +        path: /tmp/dtest
 +        destination: dtest_j8_with_vnodes
 +    - store_artifacts:
 +        path: ~/cassandra-dtest/logs
 +        destination: dtest_j8_with_vnodes_logs
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +  j11_cqlsh-dtests-py38-no-vnodes:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11:20210304
 +    resource_class: medium
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 4
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Clone Cassandra dtest Repository (via git)
 +        command: |
 +          git clone --single-branch --branch $DTEST_BRANCH --depth 1 $DTEST_REPO ~/cassandra-dtest
 +    - run:
 +        name: Configure virtualenv and python Dependencies
 +        command: |
 +          # note, this should be super quick as all dependencies should be pre-installed in the docker image
 +          # if additional dependencies were added to requirmeents.txt and the docker image hasn't been updated
 +          # we'd have to install it here at runtime -- which will make things slow, so do yourself a favor and
 +          # rebuild the docker image! (it automatically pulls the latest requirements.txt on build)
 +          source ~/env3.8/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          pip3 install --exists-action w --upgrade -r ~/cassandra-dtest/requirements.txt
 +          pip3 uninstall -y cqlsh
 +          pip3 freeze
 +    - run:
 +        name: Determine Tests to Run (j11_without_vnodes)
 +        no_output_timeout: 5m
 +        command: "# reminder: this code (along with all the steps) is independently executed on every circle container\n# so the goal here is to get the circleci script to return the tests *this* container will run\n# which we do via the `circleci` cli tool.\n\ncd cassandra-dtest\nsource ~/env3.8/bin/activate\nexport PATH=$JAVA_HOME/bin:$PATH\n\nif [ -n '' ]; then\n  export \nfi\n\necho \"***Collected DTests (j11_without_vnodes)***\"\nset -eo pipefail && ./run_dtests.py --skip-resource- [...]
 +    - run:
 +        name: Run dtests (j11_without_vnodes)
 +        no_output_timeout: 15m
 +        command: |
 +          echo "cat /tmp/split_dtest_tests_j11_without_vnodes_final.txt"
 +          cat /tmp/split_dtest_tests_j11_without_vnodes_final.txt
 +
 +          source ~/env3.8/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          if [ -n 'CQLSH_PYTHON=/usr/bin/python3.8' ]; then
 +            export CQLSH_PYTHON=/usr/bin/python3.8
 +          fi
 +
 +          java -version
 +          cd ~/cassandra-dtest
 +          mkdir -p /tmp/dtest
 +
 +          echo "env: $(env)"
 +          echo "** done env"
 +          mkdir -p /tmp/results/dtests
 +          # we need the "set -o pipefail" here so that the exit code that circleci will actually use is from pytest and not the exit code from tee
 +          export SPLIT_TESTS=`cat /tmp/split_dtest_tests_j11_without_vnodes_final.txt`
 +          set -o pipefail && cd ~/cassandra-dtest && pytest --skip-resource-intensive-tests --log-cli-level=DEBUG --junit-xml=/tmp/results/dtests/pytest_result_j11_without_vnodes.xml -s --cassandra-dir=/home/cassandra/cassandra --keep-test-dir $SPLIT_TESTS 2>&1 | tee /tmp/dtest/stdout.txt
 +    - store_test_results:
 +        path: /tmp/results
 +    - store_artifacts:
 +        path: /tmp/dtest
 +        destination: dtest_j11_without_vnodes
 +    - store_artifacts:
 +        path: ~/cassandra-dtest/logs
 +        destination: dtest_j11_without_vnodes_logs
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
      - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - CASSANDRA_USE_JDK11: true
 +  j8_jvm_dtests:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11-w-dependencies:20210304
 +    resource_class: medium
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 1
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Determine distributed Tests to Run
 +        command: |
 +          # reminder: this code (along with all the steps) is independently executed on every circle container
 +          # so the goal here is to get the circleci script to return the tests *this* container will run
 +          # which we do via the `circleci` cli tool.
 +
 +          rm -fr ~/cassandra-dtest/upgrade_tests
 +          echo "***java tests***"
 +
 +          # get all of our unit test filenames
 +          set -eo pipefail && circleci tests glob "$HOME/cassandra/test/distributed/**/*.java" > /tmp/all_java_unit_tests.txt
 +
 +          # split up the unit tests into groups based on the number of containers we have
 +          set -eo pipefail && circleci tests split --split-by=timings --timings-type=filename --index=${CIRCLE_NODE_INDEX} --total=${CIRCLE_NODE_TOTAL} /tmp/all_java_unit_tests.txt > /tmp/java_tests_${CIRCLE_NODE_INDEX}.txt
 +          set -eo pipefail && cat /tmp/java_tests_${CIRCLE_NODE_INDEX}.txt | sed "s;^/home/cassandra/cassandra/test/distributed/;;g" | grep "Test\.java$" | grep -v upgrade > /tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt
 +          echo "** /tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt"
 +          cat /tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt
 +        no_output_timeout: 15m
 +    - run:
 +        name: Log Environment Information
 +        command: |
 +          echo '*** id ***'
 +          id
 +          echo '*** cat /proc/cpuinfo ***'
 +          cat /proc/cpuinfo
 +          echo '*** free -m ***'
 +          free -m
 +          echo '*** df -m ***'
 +          df -m
 +          echo '*** ifconfig -a ***'
 +          ifconfig -a
 +          echo '*** uname -a ***'
 +          uname -a
 +          echo '*** mount ***'
 +          mount
 +          echo '*** env ***'
 +          env
 +          echo '*** java ***'
 +          which java
 +          java -version
 +    - run:
-         name: Run Unit Tests (testclasslist -Dtest.runners=1)
++        name: Run Unit Tests (testclasslist)
 +        command: |
 +          set -x
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          time mv ~/cassandra /tmp
 +          cd /tmp/cassandra
 +          if [ -d ~/dtest_jars ]; then
 +            cp ~/dtest_jars/dtest* /tmp/cassandra/build/
 +          fi
 +          test_timeout=$(grep 'name="test.distributed.timeout"' build.xml | awk -F'"' '{print $4}' || true)
 +          if [ -z "$test_timeout" ]; then
 +            test_timeout=$(grep 'name="test.timeout"' build.xml | awk -F'"' '{print $4}')
 +          fi
-           ant testclasslist -Dtest.runners=1 -Dtest.timeout="$test_timeout" -Dtest.classlistfile=/tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt  -Dtest.classlistprefix=distributed
++          ant testclasslist -Dtest.timeout="$test_timeout" -Dtest.classlistfile=/tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt  -Dtest.classlistprefix=distributed
 +        no_output_timeout: 15m
 +    - store_test_results:
 +        path: /tmp/cassandra/build/test/output/
 +    - store_artifacts:
 +        path: /tmp/cassandra/build/test/output
 +        destination: junitxml
 +    - store_artifacts:
 +        path: /tmp/cassandra/build/test/logs
 +        destination: logs
 +    environment:
      - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
      - LANG: en_US.UTF-8
      - KEEP_TEST_DIR: true
      - DEFAULT_DIR: /home/cassandra/cassandra-dtest
diff --cc .circleci/config.yml.MIDRES
index 258bc3e,0000000..a140e0c
mode 100644,000000..100644
--- a/.circleci/config.yml.MIDRES
+++ b/.circleci/config.yml.MIDRES
@@@ -1,2611 -1,0 +1,2611 @@@
 +version: 2
 +jobs:
 +  j8_jvm_upgrade_dtests:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11-w-dependencies:20210304
 +    resource_class: large
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 4
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Determine distributed Tests to Run
 +        command: |
 +          # reminder: this code (along with all the steps) is independently executed on every circle container
 +          # so the goal here is to get the circleci script to return the tests *this* container will run
 +          # which we do via the `circleci` cli tool.
 +
 +          rm -fr ~/cassandra-dtest/upgrade_tests
 +          echo "***java tests***"
 +
 +          # get all of our unit test filenames
 +          set -eo pipefail && circleci tests glob "$HOME/cassandra/test/distributed/**/*.java" > /tmp/all_java_unit_tests.txt
 +
 +          # split up the unit tests into groups based on the number of containers we have
 +          set -eo pipefail && circleci tests split --split-by=timings --timings-type=filename --index=${CIRCLE_NODE_INDEX} --total=${CIRCLE_NODE_TOTAL} /tmp/all_java_unit_tests.txt > /tmp/java_tests_${CIRCLE_NODE_INDEX}.txt
 +          set -eo pipefail && cat /tmp/java_tests_${CIRCLE_NODE_INDEX}.txt | sed "s;^/home/cassandra/cassandra/test/distributed/;;g" | grep "Test\.java$" | grep upgrade > /tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt
 +          echo "** /tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt"
 +          cat /tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt
 +        no_output_timeout: 15m
 +    - run:
 +        name: Log Environment Information
 +        command: |
 +          echo '*** id ***'
 +          id
 +          echo '*** cat /proc/cpuinfo ***'
 +          cat /proc/cpuinfo
 +          echo '*** free -m ***'
 +          free -m
 +          echo '*** df -m ***'
 +          df -m
 +          echo '*** ifconfig -a ***'
 +          ifconfig -a
 +          echo '*** uname -a ***'
 +          uname -a
 +          echo '*** mount ***'
 +          mount
 +          echo '*** env ***'
 +          env
 +          echo '*** java ***'
 +          which java
 +          java -version
 +    - run:
 +        name: Run Unit Tests (testclasslist)
 +        command: |
 +          set -x
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          time mv ~/cassandra /tmp
 +          cd /tmp/cassandra
 +          if [ -d ~/dtest_jars ]; then
 +            cp ~/dtest_jars/dtest* /tmp/cassandra/build/
 +          fi
 +          test_timeout=$(grep 'name="test.distributed.timeout"' build.xml | awk -F'"' '{print $4}' || true)
 +          if [ -z "$test_timeout" ]; then
 +            test_timeout=$(grep 'name="test.timeout"' build.xml | awk -F'"' '{print $4}')
 +          fi
-           ant testclasslist -Dtest.timeout="$test_timeout" -Dtest.classlistfile=/tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt  -Dtest.classlistprefix=distributed -Dtest.runners=1
++          ant testclasslist -Dtest.timeout="$test_timeout" -Dtest.classlistfile=/tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt  -Dtest.classlistprefix=distributed
 +        no_output_timeout: 15m
 +    - store_test_results:
 +        path: /tmp/cassandra/build/test/output/
 +    - store_artifacts:
 +        path: /tmp/cassandra/build/test/output
 +        destination: junitxml
 +    - store_artifacts:
 +        path: /tmp/cassandra/build/test/logs
 +        destination: logs
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +  j8_cqlsh-dtests-py2-with-vnodes:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11-w-dependencies:20210304
 +    resource_class: large
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 50
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Clone Cassandra dtest Repository (via git)
 +        command: |
 +          git clone --single-branch --branch $DTEST_BRANCH --depth 1 $DTEST_REPO ~/cassandra-dtest
 +    - run:
 +        name: Configure virtualenv and python Dependencies
 +        command: |
 +          # note, this should be super quick as all dependencies should be pre-installed in the docker image
 +          # if additional dependencies were added to requirmeents.txt and the docker image hasn't been updated
 +          # we'd have to install it here at runtime -- which will make things slow, so do yourself a favor and
 +          # rebuild the docker image! (it automatically pulls the latest requirements.txt on build)
 +          source ~/env3.6/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          pip3 install --exists-action w --upgrade -r ~/cassandra-dtest/requirements.txt
 +          pip3 uninstall -y cqlsh
 +          pip3 freeze
 +    - run:
 +        name: Determine Tests to Run (j8_with_vnodes)
 +        no_output_timeout: 5m
 +        command: "# reminder: this code (along with all the steps) is independently executed on every circle container\n# so the goal here is to get the circleci script to return the tests *this* container will run\n# which we do via the `circleci` cli tool.\n\ncd cassandra-dtest\nsource ~/env3.6/bin/activate\nexport PATH=$JAVA_HOME/bin:$PATH\n\nif [ -n '' ]; then\n  export \nfi\n\necho \"***Collected DTests (j8_with_vnodes)***\"\nset -eo pipefail && ./run_dtests.py --use-vnodes --skip- [...]
 +    - run:
 +        name: Run dtests (j8_with_vnodes)
 +        no_output_timeout: 15m
 +        command: |
 +          echo "cat /tmp/split_dtest_tests_j8_with_vnodes_final.txt"
 +          cat /tmp/split_dtest_tests_j8_with_vnodes_final.txt
 +
 +          source ~/env3.6/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          if [ -n 'CQLSH_PYTHON=/usr/bin/python2.7' ]; then
 +            export CQLSH_PYTHON=/usr/bin/python2.7
 +          fi
 +
 +          java -version
 +          cd ~/cassandra-dtest
 +          mkdir -p /tmp/dtest
 +
 +          echo "env: $(env)"
 +          echo "** done env"
 +          mkdir -p /tmp/results/dtests
 +          # we need the "set -o pipefail" here so that the exit code that circleci will actually use is from pytest and not the exit code from tee
 +          export SPLIT_TESTS=`cat /tmp/split_dtest_tests_j8_with_vnodes_final.txt`
 +          set -o pipefail && cd ~/cassandra-dtest && pytest --use-vnodes --num-tokens=16 --skip-resource-intensive-tests --log-cli-level=DEBUG --junit-xml=/tmp/results/dtests/pytest_result_j8_with_vnodes.xml -s --cassandra-dir=/home/cassandra/cassandra --keep-test-dir $SPLIT_TESTS 2>&1 | tee /tmp/dtest/stdout.txt
 +    - store_test_results:
 +        path: /tmp/results
 +    - store_artifacts:
 +        path: /tmp/dtest
 +        destination: dtest_j8_with_vnodes
 +    - store_artifacts:
 +        path: ~/cassandra-dtest/logs
 +        destination: dtest_j8_with_vnodes_logs
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +  j11_unit_tests:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11:20210304
 +    resource_class: medium
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 25
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Determine unit Tests to Run
 +        command: |
 +          # reminder: this code (along with all the steps) is independently executed on every circle container
 +          # so the goal here is to get the circleci script to return the tests *this* container will run
 +          # which we do via the `circleci` cli tool.
 +
 +          rm -fr ~/cassandra-dtest/upgrade_tests
 +          echo "***java tests***"
 +
 +          # get all of our unit test filenames
 +          set -eo pipefail && circleci tests glob "$HOME/cassandra/test/unit/**/*.java" > /tmp/all_java_unit_tests.txt
 +
 +          # split up the unit tests into groups based on the number of containers we have
 +          set -eo pipefail && circleci tests split --split-by=timings --timings-type=filename --index=${CIRCLE_NODE_INDEX} --total=${CIRCLE_NODE_TOTAL} /tmp/all_java_unit_tests.txt > /tmp/java_tests_${CIRCLE_NODE_INDEX}.txt
 +          set -eo pipefail && cat /tmp/java_tests_${CIRCLE_NODE_INDEX}.txt | sed "s;^/home/cassandra/cassandra/test/unit/;;g" | grep "Test\.java$"  > /tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt
 +          echo "** /tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt"
 +          cat /tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt
 +        no_output_timeout: 15m
 +    - run:
 +        name: Log Environment Information
 +        command: |
 +          echo '*** id ***'
 +          id
 +          echo '*** cat /proc/cpuinfo ***'
 +          cat /proc/cpuinfo
 +          echo '*** free -m ***'
 +          free -m
 +          echo '*** df -m ***'
 +          df -m
 +          echo '*** ifconfig -a ***'
 +          ifconfig -a
 +          echo '*** uname -a ***'
 +          uname -a
 +          echo '*** mount ***'
 +          mount
 +          echo '*** env ***'
 +          env
 +          echo '*** java ***'
 +          which java
 +          java -version
 +    - run:
 +        name: Run Unit Tests (testclasslist)
 +        command: |
 +          set -x
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          time mv ~/cassandra /tmp
 +          cd /tmp/cassandra
 +          if [ -d ~/dtest_jars ]; then
 +            cp ~/dtest_jars/dtest* /tmp/cassandra/build/
 +          fi
 +          test_timeout=$(grep 'name="test.unit.timeout"' build.xml | awk -F'"' '{print $4}' || true)
 +          if [ -z "$test_timeout" ]; then
 +            test_timeout=$(grep 'name="test.timeout"' build.xml | awk -F'"' '{print $4}')
 +          fi
 +          ant testclasslist -Dtest.timeout="$test_timeout" -Dtest.classlistfile=/tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt  -Dtest.classlistprefix=unit
 +        no_output_timeout: 15m
 +    - store_test_results:
 +        path: /tmp/cassandra/build/test/output/
 +    - store_artifacts:
 +        path: /tmp/cassandra/build/test/output
 +        destination: junitxml
 +    - store_artifacts:
 +        path: /tmp/cassandra/build/test/logs
 +        destination: logs
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - CASSANDRA_USE_JDK11: true
 +  j8_cqlsh-dtests-py38-no-vnodes:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11-w-dependencies:20210304
 +    resource_class: large
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 50
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Clone Cassandra dtest Repository (via git)
 +        command: |
 +          git clone --single-branch --branch $DTEST_BRANCH --depth 1 $DTEST_REPO ~/cassandra-dtest
 +    - run:
 +        name: Configure virtualenv and python Dependencies
 +        command: |
 +          # note, this should be super quick as all dependencies should be pre-installed in the docker image
 +          # if additional dependencies were added to requirmeents.txt and the docker image hasn't been updated
 +          # we'd have to install it here at runtime -- which will make things slow, so do yourself a favor and
 +          # rebuild the docker image! (it automatically pulls the latest requirements.txt on build)
 +          source ~/env3.8/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          pip3 install --exists-action w --upgrade -r ~/cassandra-dtest/requirements.txt
 +          pip3 uninstall -y cqlsh
 +          pip3 freeze
 +    - run:
 +        name: Determine Tests to Run (j8_without_vnodes)
 +        no_output_timeout: 5m
 +        command: "# reminder: this code (along with all the steps) is independently executed on every circle container\n# so the goal here is to get the circleci script to return the tests *this* container will run\n# which we do via the `circleci` cli tool.\n\ncd cassandra-dtest\nsource ~/env3.8/bin/activate\nexport PATH=$JAVA_HOME/bin:$PATH\n\nif [ -n '' ]; then\n  export \nfi\n\necho \"***Collected DTests (j8_without_vnodes)***\"\nset -eo pipefail && ./run_dtests.py --skip-resource-i [...]
 +    - run:
 +        name: Run dtests (j8_without_vnodes)
 +        no_output_timeout: 15m
 +        command: |
 +          echo "cat /tmp/split_dtest_tests_j8_without_vnodes_final.txt"
 +          cat /tmp/split_dtest_tests_j8_without_vnodes_final.txt
 +
 +          source ~/env3.8/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          if [ -n 'CQLSH_PYTHON=/usr/bin/python3.8' ]; then
 +            export CQLSH_PYTHON=/usr/bin/python3.8
 +          fi
 +
 +          java -version
 +          cd ~/cassandra-dtest
 +          mkdir -p /tmp/dtest
 +
 +          echo "env: $(env)"
 +          echo "** done env"
 +          mkdir -p /tmp/results/dtests
 +          # we need the "set -o pipefail" here so that the exit code that circleci will actually use is from pytest and not the exit code from tee
 +          export SPLIT_TESTS=`cat /tmp/split_dtest_tests_j8_without_vnodes_final.txt`
 +          set -o pipefail && cd ~/cassandra-dtest && pytest --skip-resource-intensive-tests --log-cli-level=DEBUG --junit-xml=/tmp/results/dtests/pytest_result_j8_without_vnodes.xml -s --cassandra-dir=/home/cassandra/cassandra --keep-test-dir $SPLIT_TESTS 2>&1 | tee /tmp/dtest/stdout.txt
 +    - store_test_results:
 +        path: /tmp/results
 +    - store_artifacts:
 +        path: /tmp/dtest
 +        destination: dtest_j8_without_vnodes
 +    - store_artifacts:
 +        path: ~/cassandra-dtest/logs
 +        destination: dtest_j8_without_vnodes_logs
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +  j11_cqlsh-dtests-py3-with-vnodes:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11:20210304
 +    resource_class: large
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 50
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Clone Cassandra dtest Repository (via git)
 +        command: |
 +          git clone --single-branch --branch $DTEST_BRANCH --depth 1 $DTEST_REPO ~/cassandra-dtest
 +    - run:
 +        name: Configure virtualenv and python Dependencies
 +        command: |
 +          # note, this should be super quick as all dependencies should be pre-installed in the docker image
 +          # if additional dependencies were added to requirmeents.txt and the docker image hasn't been updated
 +          # we'd have to install it here at runtime -- which will make things slow, so do yourself a favor and
 +          # rebuild the docker image! (it automatically pulls the latest requirements.txt on build)
 +          source ~/env3.6/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          pip3 install --exists-action w --upgrade -r ~/cassandra-dtest/requirements.txt
 +          pip3 uninstall -y cqlsh
 +          pip3 freeze
 +    - run:
 +        name: Determine Tests to Run (j11_with_vnodes)
 +        no_output_timeout: 5m
 +        command: "# reminder: this code (along with all the steps) is independently executed on every circle container\n# so the goal here is to get the circleci script to return the tests *this* container will run\n# which we do via the `circleci` cli tool.\n\ncd cassandra-dtest\nsource ~/env3.6/bin/activate\nexport PATH=$JAVA_HOME/bin:$PATH\n\nif [ -n '' ]; then\n  export \nfi\n\necho \"***Collected DTests (j11_with_vnodes)***\"\nset -eo pipefail && ./run_dtests.py --use-vnodes --skip [...]
 +    - run:
 +        name: Run dtests (j11_with_vnodes)
 +        no_output_timeout: 15m
 +        command: |
 +          echo "cat /tmp/split_dtest_tests_j11_with_vnodes_final.txt"
 +          cat /tmp/split_dtest_tests_j11_with_vnodes_final.txt
 +
 +          source ~/env3.6/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          if [ -n 'CQLSH_PYTHON=/usr/bin/python3.6' ]; then
 +            export CQLSH_PYTHON=/usr/bin/python3.6
 +          fi
 +
 +          java -version
 +          cd ~/cassandra-dtest
 +          mkdir -p /tmp/dtest
 +
 +          echo "env: $(env)"
 +          echo "** done env"
 +          mkdir -p /tmp/results/dtests
 +          # we need the "set -o pipefail" here so that the exit code that circleci will actually use is from pytest and not the exit code from tee
 +          export SPLIT_TESTS=`cat /tmp/split_dtest_tests_j11_with_vnodes_final.txt`
 +          set -o pipefail && cd ~/cassandra-dtest && pytest --use-vnodes --num-tokens=16 --skip-resource-intensive-tests --log-cli-level=DEBUG --junit-xml=/tmp/results/dtests/pytest_result_j11_with_vnodes.xml -s --cassandra-dir=/home/cassandra/cassandra --keep-test-dir $SPLIT_TESTS 2>&1 | tee /tmp/dtest/stdout.txt
 +    - store_test_results:
 +        path: /tmp/results
 +    - store_artifacts:
 +        path: /tmp/dtest
 +        destination: dtest_j11_with_vnodes
 +    - store_artifacts:
 +        path: ~/cassandra-dtest/logs
 +        destination: dtest_j11_with_vnodes_logs
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - CASSANDRA_USE_JDK11: true
 +  j11_cqlsh-dtests-py3-no-vnodes:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11:20210304
 +    resource_class: large
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 50
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Clone Cassandra dtest Repository (via git)
 +        command: |
 +          git clone --single-branch --branch $DTEST_BRANCH --depth 1 $DTEST_REPO ~/cassandra-dtest
 +    - run:
 +        name: Configure virtualenv and python Dependencies
 +        command: |
 +          # note, this should be super quick as all dependencies should be pre-installed in the docker image
 +          # if additional dependencies were added to requirmeents.txt and the docker image hasn't been updated
 +          # we'd have to install it here at runtime -- which will make things slow, so do yourself a favor and
 +          # rebuild the docker image! (it automatically pulls the latest requirements.txt on build)
 +          source ~/env3.6/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          pip3 install --exists-action w --upgrade -r ~/cassandra-dtest/requirements.txt
 +          pip3 uninstall -y cqlsh
 +          pip3 freeze
 +    - run:
 +        name: Determine Tests to Run (j11_without_vnodes)
 +        no_output_timeout: 5m
 +        command: "# reminder: this code (along with all the steps) is independently executed on every circle container\n# so the goal here is to get the circleci script to return the tests *this* container will run\n# which we do via the `circleci` cli tool.\n\ncd cassandra-dtest\nsource ~/env3.6/bin/activate\nexport PATH=$JAVA_HOME/bin:$PATH\n\nif [ -n '' ]; then\n  export \nfi\n\necho \"***Collected DTests (j11_without_vnodes)***\"\nset -eo pipefail && ./run_dtests.py --skip-resource- [...]
 +    - run:
 +        name: Run dtests (j11_without_vnodes)
 +        no_output_timeout: 15m
 +        command: |
 +          echo "cat /tmp/split_dtest_tests_j11_without_vnodes_final.txt"
 +          cat /tmp/split_dtest_tests_j11_without_vnodes_final.txt
 +
 +          source ~/env3.6/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          if [ -n 'CQLSH_PYTHON=/usr/bin/python3.6' ]; then
 +            export CQLSH_PYTHON=/usr/bin/python3.6
 +          fi
 +
 +          java -version
 +          cd ~/cassandra-dtest
 +          mkdir -p /tmp/dtest
 +
 +          echo "env: $(env)"
 +          echo "** done env"
 +          mkdir -p /tmp/results/dtests
 +          # we need the "set -o pipefail" here so that the exit code that circleci will actually use is from pytest and not the exit code from tee
 +          export SPLIT_TESTS=`cat /tmp/split_dtest_tests_j11_without_vnodes_final.txt`
 +          set -o pipefail && cd ~/cassandra-dtest && pytest --skip-resource-intensive-tests --log-cli-level=DEBUG --junit-xml=/tmp/results/dtests/pytest_result_j11_without_vnodes.xml -s --cassandra-dir=/home/cassandra/cassandra --keep-test-dir $SPLIT_TESTS 2>&1 | tee /tmp/dtest/stdout.txt
 +    - store_test_results:
 +        path: /tmp/results
 +    - store_artifacts:
 +        path: /tmp/dtest
 +        destination: dtest_j11_without_vnodes
 +    - store_artifacts:
 +        path: ~/cassandra-dtest/logs
 +        destination: dtest_j11_without_vnodes_logs
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - CASSANDRA_USE_JDK11: true
 +  j11_cqlsh-dtests-py38-with-vnodes:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11:20210304
 +    resource_class: large
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 50
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Clone Cassandra dtest Repository (via git)
 +        command: |
 +          git clone --single-branch --branch $DTEST_BRANCH --depth 1 $DTEST_REPO ~/cassandra-dtest
 +    - run:
 +        name: Configure virtualenv and python Dependencies
 +        command: |
 +          # note, this should be super quick as all dependencies should be pre-installed in the docker image
 +          # if additional dependencies were added to requirmeents.txt and the docker image hasn't been updated
 +          # we'd have to install it here at runtime -- which will make things slow, so do yourself a favor and
 +          # rebuild the docker image! (it automatically pulls the latest requirements.txt on build)
 +          source ~/env3.8/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          pip3 install --exists-action w --upgrade -r ~/cassandra-dtest/requirements.txt
 +          pip3 uninstall -y cqlsh
 +          pip3 freeze
 +    - run:
 +        name: Determine Tests to Run (j11_with_vnodes)
 +        no_output_timeout: 5m
 +        command: "# reminder: this code (along with all the steps) is independently executed on every circle container\n# so the goal here is to get the circleci script to return the tests *this* container will run\n# which we do via the `circleci` cli tool.\n\ncd cassandra-dtest\nsource ~/env3.8/bin/activate\nexport PATH=$JAVA_HOME/bin:$PATH\n\nif [ -n '' ]; then\n  export \nfi\n\necho \"***Collected DTests (j11_with_vnodes)***\"\nset -eo pipefail && ./run_dtests.py --use-vnodes --skip [...]
 +    - run:
 +        name: Run dtests (j11_with_vnodes)
 +        no_output_timeout: 15m
 +        command: |
 +          echo "cat /tmp/split_dtest_tests_j11_with_vnodes_final.txt"
 +          cat /tmp/split_dtest_tests_j11_with_vnodes_final.txt
 +
 +          source ~/env3.8/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          if [ -n 'CQLSH_PYTHON=/usr/bin/python3.8' ]; then
 +            export CQLSH_PYTHON=/usr/bin/python3.8
 +          fi
 +
 +          java -version
 +          cd ~/cassandra-dtest
 +          mkdir -p /tmp/dtest
 +
 +          echo "env: $(env)"
 +          echo "** done env"
 +          mkdir -p /tmp/results/dtests
 +          # we need the "set -o pipefail" here so that the exit code that circleci will actually use is from pytest and not the exit code from tee
 +          export SPLIT_TESTS=`cat /tmp/split_dtest_tests_j11_with_vnodes_final.txt`
 +          set -o pipefail && cd ~/cassandra-dtest && pytest --use-vnodes --num-tokens=16 --skip-resource-intensive-tests --log-cli-level=DEBUG --junit-xml=/tmp/results/dtests/pytest_result_j11_with_vnodes.xml -s --cassandra-dir=/home/cassandra/cassandra --keep-test-dir $SPLIT_TESTS 2>&1 | tee /tmp/dtest/stdout.txt
 +    - store_test_results:
 +        path: /tmp/results
 +    - store_artifacts:
 +        path: /tmp/dtest
 +        destination: dtest_j11_with_vnodes
 +    - store_artifacts:
 +        path: ~/cassandra-dtest/logs
 +        destination: dtest_j11_with_vnodes_logs
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - CASSANDRA_USE_JDK11: true
 +  j8_cqlsh-dtests-py3-with-vnodes:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11-w-dependencies:20210304
 +    resource_class: large
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 50
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Clone Cassandra dtest Repository (via git)
 +        command: |
 +          git clone --single-branch --branch $DTEST_BRANCH --depth 1 $DTEST_REPO ~/cassandra-dtest
 +    - run:
 +        name: Configure virtualenv and python Dependencies
 +        command: |
 +          # note, this should be super quick as all dependencies should be pre-installed in the docker image
 +          # if additional dependencies were added to requirmeents.txt and the docker image hasn't been updated
 +          # we'd have to install it here at runtime -- which will make things slow, so do yourself a favor and
 +          # rebuild the docker image! (it automatically pulls the latest requirements.txt on build)
 +          source ~/env3.6/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          pip3 install --exists-action w --upgrade -r ~/cassandra-dtest/requirements.txt
 +          pip3 uninstall -y cqlsh
 +          pip3 freeze
 +    - run:
 +        name: Determine Tests to Run (j8_with_vnodes)
 +        no_output_timeout: 5m
 +        command: "# reminder: this code (along with all the steps) is independently executed on every circle container\n# so the goal here is to get the circleci script to return the tests *this* container will run\n# which we do via the `circleci` cli tool.\n\ncd cassandra-dtest\nsource ~/env3.6/bin/activate\nexport PATH=$JAVA_HOME/bin:$PATH\n\nif [ -n '' ]; then\n  export \nfi\n\necho \"***Collected DTests (j8_with_vnodes)***\"\nset -eo pipefail && ./run_dtests.py --use-vnodes --skip- [...]
 +    - run:
 +        name: Run dtests (j8_with_vnodes)
 +        no_output_timeout: 15m
 +        command: |
 +          echo "cat /tmp/split_dtest_tests_j8_with_vnodes_final.txt"
 +          cat /tmp/split_dtest_tests_j8_with_vnodes_final.txt
 +
 +          source ~/env3.6/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          if [ -n 'CQLSH_PYTHON=/usr/bin/python3.6' ]; then
 +            export CQLSH_PYTHON=/usr/bin/python3.6
 +          fi
 +
 +          java -version
 +          cd ~/cassandra-dtest
 +          mkdir -p /tmp/dtest
 +
 +          echo "env: $(env)"
 +          echo "** done env"
 +          mkdir -p /tmp/results/dtests
 +          # we need the "set -o pipefail" here so that the exit code that circleci will actually use is from pytest and not the exit code from tee
 +          export SPLIT_TESTS=`cat /tmp/split_dtest_tests_j8_with_vnodes_final.txt`
 +          set -o pipefail && cd ~/cassandra-dtest && pytest --use-vnodes --num-tokens=16 --skip-resource-intensive-tests --log-cli-level=DEBUG --junit-xml=/tmp/results/dtests/pytest_result_j8_with_vnodes.xml -s --cassandra-dir=/home/cassandra/cassandra --keep-test-dir $SPLIT_TESTS 2>&1 | tee /tmp/dtest/stdout.txt
 +    - store_test_results:
 +        path: /tmp/results
 +    - store_artifacts:
 +        path: /tmp/dtest
 +        destination: dtest_j8_with_vnodes
 +    - store_artifacts:
 +        path: ~/cassandra-dtest/logs
 +        destination: dtest_j8_with_vnodes_logs
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +  j8_cqlsh-dtests-py2-no-vnodes:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11-w-dependencies:20210304
 +    resource_class: large
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 50
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Clone Cassandra dtest Repository (via git)
 +        command: |
 +          git clone --single-branch --branch $DTEST_BRANCH --depth 1 $DTEST_REPO ~/cassandra-dtest
 +    - run:
 +        name: Configure virtualenv and python Dependencies
 +        command: |
 +          # note, this should be super quick as all dependencies should be pre-installed in the docker image
 +          # if additional dependencies were added to requirmeents.txt and the docker image hasn't been updated
 +          # we'd have to install it here at runtime -- which will make things slow, so do yourself a favor and
 +          # rebuild the docker image! (it automatically pulls the latest requirements.txt on build)
 +          source ~/env3.6/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          pip3 install --exists-action w --upgrade -r ~/cassandra-dtest/requirements.txt
 +          pip3 uninstall -y cqlsh
 +          pip3 freeze
 +    - run:
 +        name: Determine Tests to Run (j8_without_vnodes)
 +        no_output_timeout: 5m
 +        command: "# reminder: this code (along with all the steps) is independently executed on every circle container\n# so the goal here is to get the circleci script to return the tests *this* container will run\n# which we do via the `circleci` cli tool.\n\ncd cassandra-dtest\nsource ~/env3.6/bin/activate\nexport PATH=$JAVA_HOME/bin:$PATH\n\nif [ -n '' ]; then\n  export \nfi\n\necho \"***Collected DTests (j8_without_vnodes)***\"\nset -eo pipefail && ./run_dtests.py --skip-resource-i [...]
 +    - run:
 +        name: Run dtests (j8_without_vnodes)
 +        no_output_timeout: 15m
 +        command: |
 +          echo "cat /tmp/split_dtest_tests_j8_without_vnodes_final.txt"
 +          cat /tmp/split_dtest_tests_j8_without_vnodes_final.txt
 +
 +          source ~/env3.6/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          if [ -n 'CQLSH_PYTHON=/usr/bin/python2.7' ]; then
 +            export CQLSH_PYTHON=/usr/bin/python2.7
 +          fi
 +
 +          java -version
 +          cd ~/cassandra-dtest
 +          mkdir -p /tmp/dtest
 +
 +          echo "env: $(env)"
 +          echo "** done env"
 +          mkdir -p /tmp/results/dtests
 +          # we need the "set -o pipefail" here so that the exit code that circleci will actually use is from pytest and not the exit code from tee
 +          export SPLIT_TESTS=`cat /tmp/split_dtest_tests_j8_without_vnodes_final.txt`
 +          set -o pipefail && cd ~/cassandra-dtest && pytest --skip-resource-intensive-tests --log-cli-level=DEBUG --junit-xml=/tmp/results/dtests/pytest_result_j8_without_vnodes.xml -s --cassandra-dir=/home/cassandra/cassandra --keep-test-dir $SPLIT_TESTS 2>&1 | tee /tmp/dtest/stdout.txt
 +    - store_test_results:
 +        path: /tmp/results
 +    - store_artifacts:
 +        path: /tmp/dtest
 +        destination: dtest_j8_without_vnodes
 +    - store_artifacts:
 +        path: ~/cassandra-dtest/logs
 +        destination: dtest_j8_without_vnodes_logs
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +  j11_cqlsh-dtests-py2-with-vnodes:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11:20210304
 +    resource_class: large
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 50
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Clone Cassandra dtest Repository (via git)
 +        command: |
 +          git clone --single-branch --branch $DTEST_BRANCH --depth 1 $DTEST_REPO ~/cassandra-dtest
 +    - run:
 +        name: Configure virtualenv and python Dependencies
 +        command: |
 +          # note, this should be super quick as all dependencies should be pre-installed in the docker image
 +          # if additional dependencies were added to requirmeents.txt and the docker image hasn't been updated
 +          # we'd have to install it here at runtime -- which will make things slow, so do yourself a favor and
 +          # rebuild the docker image! (it automatically pulls the latest requirements.txt on build)
 +          source ~/env3.6/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          pip3 install --exists-action w --upgrade -r ~/cassandra-dtest/requirements.txt
 +          pip3 uninstall -y cqlsh
 +          pip3 freeze
 +    - run:
 +        name: Determine Tests to Run (j11_with_vnodes)
 +        no_output_timeout: 5m
 +        command: "# reminder: this code (along with all the steps) is independently executed on every circle container\n# so the goal here is to get the circleci script to return the tests *this* container will run\n# which we do via the `circleci` cli tool.\n\ncd cassandra-dtest\nsource ~/env3.6/bin/activate\nexport PATH=$JAVA_HOME/bin:$PATH\n\nif [ -n '' ]; then\n  export \nfi\n\necho \"***Collected DTests (j11_with_vnodes)***\"\nset -eo pipefail && ./run_dtests.py --use-vnodes --skip [...]
 +    - run:
 +        name: Run dtests (j11_with_vnodes)
 +        no_output_timeout: 15m
 +        command: |
 +          echo "cat /tmp/split_dtest_tests_j11_with_vnodes_final.txt"
 +          cat /tmp/split_dtest_tests_j11_with_vnodes_final.txt
 +
 +          source ~/env3.6/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          if [ -n 'CQLSH_PYTHON=/usr/bin/python2.7' ]; then
 +            export CQLSH_PYTHON=/usr/bin/python2.7
 +          fi
 +
 +          java -version
 +          cd ~/cassandra-dtest
 +          mkdir -p /tmp/dtest
 +
 +          echo "env: $(env)"
 +          echo "** done env"
 +          mkdir -p /tmp/results/dtests
 +          # we need the "set -o pipefail" here so that the exit code that circleci will actually use is from pytest and not the exit code from tee
 +          export SPLIT_TESTS=`cat /tmp/split_dtest_tests_j11_with_vnodes_final.txt`
 +          set -o pipefail && cd ~/cassandra-dtest && pytest --use-vnodes --num-tokens=16 --skip-resource-intensive-tests --log-cli-level=DEBUG --junit-xml=/tmp/results/dtests/pytest_result_j11_with_vnodes.xml -s --cassandra-dir=/home/cassandra/cassandra --keep-test-dir $SPLIT_TESTS 2>&1 | tee /tmp/dtest/stdout.txt
 +    - store_test_results:
 +        path: /tmp/results
 +    - store_artifacts:
 +        path: /tmp/dtest
 +        destination: dtest_j11_with_vnodes
 +    - store_artifacts:
 +        path: ~/cassandra-dtest/logs
 +        destination: dtest_j11_with_vnodes_logs
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - CASSANDRA_USE_JDK11: true
 +  j11_dtests-with-vnodes:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11:20210304
 +    resource_class: large
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 50
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Log Environment Information
 +        command: |
 +          echo '*** id ***'
 +          id
 +          echo '*** cat /proc/cpuinfo ***'
 +          cat /proc/cpuinfo
 +          echo '*** free -m ***'
 +          free -m
 +          echo '*** df -m ***'
 +          df -m
 +          echo '*** ifconfig -a ***'
 +          ifconfig -a
 +          echo '*** uname -a ***'
 +          uname -a
 +          echo '*** mount ***'
 +          mount
 +          echo '*** env ***'
 +          env
 +          echo '*** java ***'
 +          which java
 +          java -version
 +    - run:
 +        name: Clone Cassandra dtest Repository (via git)
 +        command: |
 +          git clone --single-branch --branch $DTEST_BRANCH --depth 1 $DTEST_REPO ~/cassandra-dtest
 +    - run:
 +        name: Configure virtualenv and python Dependencies
 +        command: |
 +          # note, this should be super quick as all dependencies should be pre-installed in the docker image
 +          # if additional dependencies were added to requirmeents.txt and the docker image hasn't been updated
 +          # we'd have to install it here at runtime -- which will make things slow, so do yourself a favor and
 +          # rebuild the docker image! (it automatically pulls the latest requirements.txt on build)
 +          source ~/env3.6/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          pip3 install --exists-action w --upgrade -r ~/cassandra-dtest/requirements.txt
 +          pip3 uninstall -y cqlsh
 +          pip3 freeze
 +    - run:
 +        name: Determine Tests to Run (j11_with_vnodes)
 +        no_output_timeout: 5m
 +        command: "# reminder: this code (along with all the steps) is independently executed on every circle container\n# so the goal here is to get the circleci script to return the tests *this* container will run\n# which we do via the `circleci` cli tool.\n\ncd cassandra-dtest\nsource ~/env3.6/bin/activate\nexport PATH=$JAVA_HOME/bin:$PATH\n\nif [ -n '' ]; then\n  export \nfi\n\necho \"***Collected DTests (j11_with_vnodes)***\"\nset -eo pipefail && ./run_dtests.py --use-vnodes --skip [...]
 +    - run:
 +        name: Run dtests (j11_with_vnodes)
 +        no_output_timeout: 15m
 +        command: "echo \"cat /tmp/split_dtest_tests_j11_with_vnodes_final.txt\"\ncat /tmp/split_dtest_tests_j11_with_vnodes_final.txt\n\nsource ~/env3.6/bin/activate\nexport PATH=$JAVA_HOME/bin:$PATH\nif [ -n '' ]; then\n  export \nfi\n\njava -version\ncd ~/cassandra-dtest\nmkdir -p /tmp/dtest\n\necho \"env: $(env)\"\necho \"** done env\"\nmkdir -p /tmp/results/dtests\n# we need the \"set -o pipefail\" here so that the exit code that circleci will actually use is from pytest and not the [...]
 +    - store_test_results:
 +        path: /tmp/results
 +    - store_artifacts:
 +        path: /tmp/dtest
 +        destination: dtest_j11_with_vnodes
 +    - store_artifacts:
 +        path: ~/cassandra-dtest/logs
 +        destination: dtest_j11_with_vnodes_logs
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - CASSANDRA_USE_JDK11: true
 +  j8_dtests-no-vnodes:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11-w-dependencies:20210304
 +    resource_class: large
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 50
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Clone Cassandra dtest Repository (via git)
 +        command: |
 +          git clone --single-branch --branch $DTEST_BRANCH --depth 1 $DTEST_REPO ~/cassandra-dtest
 +    - run:
 +        name: Configure virtualenv and python Dependencies
 +        command: |
 +          # note, this should be super quick as all dependencies should be pre-installed in the docker image
 +          # if additional dependencies were added to requirmeents.txt and the docker image hasn't been updated
 +          # we'd have to install it here at runtime -- which will make things slow, so do yourself a favor and
 +          # rebuild the docker image! (it automatically pulls the latest requirements.txt on build)
 +          source ~/env3.6/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          pip3 install --exists-action w --upgrade -r ~/cassandra-dtest/requirements.txt
 +          pip3 uninstall -y cqlsh
 +          pip3 freeze
 +    - run:
 +        name: Determine Tests to Run (j8_without_vnodes)
 +        no_output_timeout: 5m
 +        command: "# reminder: this code (along with all the steps) is independently executed on every circle container\n# so the goal here is to get the circleci script to return the tests *this* container will run\n# which we do via the `circleci` cli tool.\n\ncd cassandra-dtest\nsource ~/env3.6/bin/activate\nexport PATH=$JAVA_HOME/bin:$PATH\n\nif [ -n '' ]; then\n  export \nfi\n\necho \"***Collected DTests (j8_without_vnodes)***\"\nset -eo pipefail && ./run_dtests.py --skip-resource-i [...]
 +    - run:
 +        name: Run dtests (j8_without_vnodes)
 +        no_output_timeout: 15m
 +        command: "echo \"cat /tmp/split_dtest_tests_j8_without_vnodes_final.txt\"\ncat /tmp/split_dtest_tests_j8_without_vnodes_final.txt\n\nsource ~/env3.6/bin/activate\nexport PATH=$JAVA_HOME/bin:$PATH\nif [ -n '' ]; then\n  export \nfi\n\njava -version\ncd ~/cassandra-dtest\nmkdir -p /tmp/dtest\n\necho \"env: $(env)\"\necho \"** done env\"\nmkdir -p /tmp/results/dtests\n# we need the \"set -o pipefail\" here so that the exit code that circleci will actually use is from pytest and not [...]
 +    - store_test_results:
 +        path: /tmp/results
 +    - store_artifacts:
 +        path: /tmp/dtest
 +        destination: dtest_j8_without_vnodes
 +    - store_artifacts:
 +        path: ~/cassandra-dtest/logs
 +        destination: dtest_j8_without_vnodes_logs
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +  j8_upgradetests-no-vnodes:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11-w-dependencies:20210304
 +    resource_class: xlarge
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 100
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Clone Cassandra dtest Repository (via git)
 +        command: |
 +          git clone --single-branch --branch $DTEST_BRANCH --depth 1 $DTEST_REPO ~/cassandra-dtest
 +    - run:
 +        name: Configure virtualenv and python Dependencies
 +        command: |
 +          # note, this should be super quick as all dependencies should be pre-installed in the docker image
 +          # if additional dependencies were added to requirmeents.txt and the docker image hasn't been updated
 +          # we'd have to install it here at runtime -- which will make things slow, so do yourself a favor and
 +          # rebuild the docker image! (it automatically pulls the latest requirements.txt on build)
 +          source ~/env3.6/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          pip3 install --exists-action w --upgrade -r ~/cassandra-dtest/requirements.txt
 +          pip3 uninstall -y cqlsh
 +          pip3 freeze
 +    - run:
 +        name: Determine Tests to Run (j8_upgradetests_without_vnodes)
 +        no_output_timeout: 5m
 +        command: "# reminder: this code (along with all the steps) is independently executed on every circle container\n# so the goal here is to get the circleci script to return the tests *this* container will run\n# which we do via the `circleci` cli tool.\n\ncd cassandra-dtest\nsource ~/env3.6/bin/activate\nexport PATH=$JAVA_HOME/bin:$PATH\n\nif [ -n '' ]; then\n  export \nfi\n\necho \"***Collected DTests (j8_upgradetests_without_vnodes)***\"\nset -eo pipefail && ./run_dtests.py --ex [...]
 +    - run:
 +        name: Run dtests (j8_upgradetests_without_vnodes)
 +        no_output_timeout: 15m
 +        command: "echo \"cat /tmp/split_dtest_tests_j8_upgradetests_without_vnodes_final.txt\"\ncat /tmp/split_dtest_tests_j8_upgradetests_without_vnodes_final.txt\n\nsource ~/env3.6/bin/activate\nexport PATH=$JAVA_HOME/bin:$PATH\nif [ -n '' ]; then\n  export \nfi\n\njava -version\ncd ~/cassandra-dtest\nmkdir -p /tmp/dtest\n\necho \"env: $(env)\"\necho \"** done env\"\nmkdir -p /tmp/results/dtests\n# we need the \"set -o pipefail\" here so that the exit code that circleci will actually  [...]
 +    - store_test_results:
 +        path: /tmp/results
 +    - store_artifacts:
 +        path: /tmp/dtest
 +        destination: dtest_j8_upgradetests_without_vnodes
 +    - store_artifacts:
 +        path: ~/cassandra-dtest/logs
 +        destination: dtest_j8_upgradetests_without_vnodes_logs
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +  utests_stress:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11-w-dependencies:20210304
 +    resource_class: medium
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 1
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Run Unit Tests (stress-test)
 +        command: |
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          time mv ~/cassandra /tmp
 +          cd /tmp/cassandra
 +          if [ -d ~/dtest_jars ]; then
 +            cp ~/dtest_jars/dtest* /tmp/cassandra/build/
 +          fi
 +          ant stress-test
 +        no_output_timeout: 15m
 +    - store_test_results:
 +        path: /tmp/cassandra/build/test/output/
 +    - store_artifacts:
 +        path: /tmp/cassandra/build/test/output
 +        destination: junitxml
 +    - store_artifacts:
 +        path: /tmp/cassandra/build/test/logs
 +        destination: logs
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +  j8_unit_tests:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11-w-dependencies:20210304
 +    resource_class: medium
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 25
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Determine unit Tests to Run
 +        command: |
 +          # reminder: this code (along with all the steps) is independently executed on every circle container
 +          # so the goal here is to get the circleci script to return the tests *this* container will run
 +          # which we do via the `circleci` cli tool.
 +
 +          rm -fr ~/cassandra-dtest/upgrade_tests
 +          echo "***java tests***"
 +
 +          # get all of our unit test filenames
 +          set -eo pipefail && circleci tests glob "$HOME/cassandra/test/unit/**/*.java" > /tmp/all_java_unit_tests.txt
 +
 +          # split up the unit tests into groups based on the number of containers we have
 +          set -eo pipefail && circleci tests split --split-by=timings --timings-type=filename --index=${CIRCLE_NODE_INDEX} --total=${CIRCLE_NODE_TOTAL} /tmp/all_java_unit_tests.txt > /tmp/java_tests_${CIRCLE_NODE_INDEX}.txt
 +          set -eo pipefail && cat /tmp/java_tests_${CIRCLE_NODE_INDEX}.txt | sed "s;^/home/cassandra/cassandra/test/unit/;;g" | grep "Test\.java$"  > /tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt
 +          echo "** /tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt"
 +          cat /tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt
 +        no_output_timeout: 15m
 +    - run:
 +        name: Log Environment Information
 +        command: |
 +          echo '*** id ***'
 +          id
 +          echo '*** cat /proc/cpuinfo ***'
 +          cat /proc/cpuinfo
 +          echo '*** free -m ***'
 +          free -m
 +          echo '*** df -m ***'
 +          df -m
 +          echo '*** ifconfig -a ***'
 +          ifconfig -a
 +          echo '*** uname -a ***'
 +          uname -a
 +          echo '*** mount ***'
 +          mount
 +          echo '*** env ***'
 +          env
 +          echo '*** java ***'
 +          which java
 +          java -version
 +    - run:
 +        name: Run Unit Tests (testclasslist)
 +        command: |
 +          set -x
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          time mv ~/cassandra /tmp
 +          cd /tmp/cassandra
 +          if [ -d ~/dtest_jars ]; then
 +            cp ~/dtest_jars/dtest* /tmp/cassandra/build/
 +          fi
 +          test_timeout=$(grep 'name="test.unit.timeout"' build.xml | awk -F'"' '{print $4}' || true)
 +          if [ -z "$test_timeout" ]; then
 +            test_timeout=$(grep 'name="test.timeout"' build.xml | awk -F'"' '{print $4}')
 +          fi
 +          ant testclasslist -Dtest.timeout="$test_timeout" -Dtest.classlistfile=/tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt  -Dtest.classlistprefix=unit
 +        no_output_timeout: 15m
 +    - store_test_results:
 +        path: /tmp/cassandra/build/test/output/
 +    - store_artifacts:
 +        path: /tmp/cassandra/build/test/output
 +        destination: junitxml
 +    - store_artifacts:
 +        path: /tmp/cassandra/build/test/logs
 +        destination: logs
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +  j11_jvm_dtests:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11:20210304
 +    resource_class: medium
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 1
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Determine distributed Tests to Run
 +        command: |
 +          # reminder: this code (along with all the steps) is independently executed on every circle container
 +          # so the goal here is to get the circleci script to return the tests *this* container will run
 +          # which we do via the `circleci` cli tool.
 +
 +          rm -fr ~/cassandra-dtest/upgrade_tests
 +          echo "***java tests***"
 +
 +          # get all of our unit test filenames
 +          set -eo pipefail && circleci tests glob "$HOME/cassandra/test/distributed/**/*.java" > /tmp/all_java_unit_tests.txt
 +
 +          # split up the unit tests into groups based on the number of containers we have
 +          set -eo pipefail && circleci tests split --split-by=timings --timings-type=filename --index=${CIRCLE_NODE_INDEX} --total=${CIRCLE_NODE_TOTAL} /tmp/all_java_unit_tests.txt > /tmp/java_tests_${CIRCLE_NODE_INDEX}.txt
 +          set -eo pipefail && cat /tmp/java_tests_${CIRCLE_NODE_INDEX}.txt | sed "s;^/home/cassandra/cassandra/test/distributed/;;g" | grep "Test\.java$" | grep -v upgrade > /tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt
 +          echo "** /tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt"
 +          cat /tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt
 +        no_output_timeout: 15m
 +    - run:
 +        name: Log Environment Information
 +        command: |
 +          echo '*** id ***'
 +          id
 +          echo '*** cat /proc/cpuinfo ***'
 +          cat /proc/cpuinfo
 +          echo '*** free -m ***'
 +          free -m
 +          echo '*** df -m ***'
 +          df -m
 +          echo '*** ifconfig -a ***'
 +          ifconfig -a
 +          echo '*** uname -a ***'
 +          uname -a
 +          echo '*** mount ***'
 +          mount
 +          echo '*** env ***'
 +          env
 +          echo '*** java ***'
 +          which java
 +          java -version
 +    - run:
 +        name: Run Unit Tests (testclasslist)
 +        command: |
 +          set -x
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          time mv ~/cassandra /tmp
 +          cd /tmp/cassandra
 +          if [ -d ~/dtest_jars ]; then
 +            cp ~/dtest_jars/dtest* /tmp/cassandra/build/
 +          fi
 +          test_timeout=$(grep 'name="test.distributed.timeout"' build.xml | awk -F'"' '{print $4}' || true)
 +          if [ -z "$test_timeout" ]; then
 +            test_timeout=$(grep 'name="test.timeout"' build.xml | awk -F'"' '{print $4}')
 +          fi
-           ant testclasslist -Dtest.timeout="$test_timeout" -Dtest.classlistfile=/tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt  -Dtest.classlistprefix=distributed -Dtest.runners=1
++          ant testclasslist -Dtest.timeout="$test_timeout" -Dtest.classlistfile=/tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt  -Dtest.classlistprefix=distributed
 +        no_output_timeout: 15m
 +    - store_test_results:
 +        path: /tmp/cassandra/build/test/output/
 +    - store_artifacts:
 +        path: /tmp/cassandra/build/test/output
 +        destination: junitxml
 +    - store_artifacts:
 +        path: /tmp/cassandra/build/test/logs
 +        destination: logs
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - CASSANDRA_USE_JDK11: true
 +  j11_build:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11:20210304
 +    resource_class: medium
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 1
 +    steps:
 +    - run:
 +        name: Log Environment Information
 +        command: |
 +          echo '*** id ***'
 +          id
 +          echo '*** cat /proc/cpuinfo ***'
 +          cat /proc/cpuinfo
 +          echo '*** free -m ***'
 +          free -m
 +          echo '*** df -m ***'
 +          df -m
 +          echo '*** ifconfig -a ***'
 +          ifconfig -a
 +          echo '*** uname -a ***'
 +          uname -a
 +          echo '*** mount ***'
 +          mount
 +          echo '*** env ***'
 +          env
 +          echo '*** java ***'
 +          which java
 +          java -version
 +    - run:
 +        name: Clone Cassandra Repository (via git)
 +        command: |
 +          git clone --single-branch --depth 1 --branch $CIRCLE_BRANCH git://github.com/$CIRCLE_PROJECT_USERNAME/$CIRCLE_PROJECT_REPONAME.git ~/cassandra
 +    - run:
 +        name: Build Cassandra
 +        command: |
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          cd ~/cassandra
 +          # Loop to prevent failure due to maven-ant-tasks not downloading a jar..
 +          for x in $(seq 1 3); do
 +              ${ANT_HOME}/bin/ant clean realclean jar
 +              RETURN="$?"
 +              if [ "${RETURN}" -eq "0" ]; then
 +                  break
 +              fi
 +          done
 +          # Exit, if we didn't build successfully
 +          if [ "${RETURN}" -ne "0" ]; then
 +              echo "Build failed with exit code: ${RETURN}"
 +              exit ${RETURN}
 +          fi
 +        no_output_timeout: 15m
 +    - run:
 +        name: Run eclipse-warnings
 +        command: |
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          cd ~/cassandra
 +          ant eclipse-warnings
 +    - persist_to_workspace:
 +        root: /home/cassandra
 +        paths:
 +        - cassandra
 +        - .m2
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - CASSANDRA_USE_JDK11: true
 +  j11_cqlsh-dtests-py2-no-vnodes:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11:20210304
 +    resource_class: large
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 50
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Clone Cassandra dtest Repository (via git)
 +        command: |
 +          git clone --single-branch --branch $DTEST_BRANCH --depth 1 $DTEST_REPO ~/cassandra-dtest
 +    - run:
 +        name: Configure virtualenv and python Dependencies
 +        command: |
 +          # note, this should be super quick as all dependencies should be pre-installed in the docker image
 +          # if additional dependencies were added to requirmeents.txt and the docker image hasn't been updated
 +          # we'd have to install it here at runtime -- which will make things slow, so do yourself a favor and
 +          # rebuild the docker image! (it automatically pulls the latest requirements.txt on build)
 +          source ~/env3.6/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          pip3 install --exists-action w --upgrade -r ~/cassandra-dtest/requirements.txt
 +          pip3 uninstall -y cqlsh
 +          pip3 freeze
 +    - run:
 +        name: Determine Tests to Run (j11_without_vnodes)
 +        no_output_timeout: 5m
 +        command: "# reminder: this code (along with all the steps) is independently executed on every circle container\n# so the goal here is to get the circleci script to return the tests *this* container will run\n# which we do via the `circleci` cli tool.\n\ncd cassandra-dtest\nsource ~/env3.6/bin/activate\nexport PATH=$JAVA_HOME/bin:$PATH\n\nif [ -n '' ]; then\n  export \nfi\n\necho \"***Collected DTests (j11_without_vnodes)***\"\nset -eo pipefail && ./run_dtests.py --skip-resource- [...]
 +    - run:
 +        name: Run dtests (j11_without_vnodes)
 +        no_output_timeout: 15m
 +        command: |
 +          echo "cat /tmp/split_dtest_tests_j11_without_vnodes_final.txt"
 +          cat /tmp/split_dtest_tests_j11_without_vnodes_final.txt
 +
 +          source ~/env3.6/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          if [ -n 'CQLSH_PYTHON=/usr/bin/python2.7' ]; then
 +            export CQLSH_PYTHON=/usr/bin/python2.7
 +          fi
 +
 +          java -version
 +          cd ~/cassandra-dtest
 +          mkdir -p /tmp/dtest
 +
 +          echo "env: $(env)"
 +          echo "** done env"
 +          mkdir -p /tmp/results/dtests
 +          # we need the "set -o pipefail" here so that the exit code that circleci will actually use is from pytest and not the exit code from tee
 +          export SPLIT_TESTS=`cat /tmp/split_dtest_tests_j11_without_vnodes_final.txt`
 +          set -o pipefail && cd ~/cassandra-dtest && pytest --skip-resource-intensive-tests --log-cli-level=DEBUG --junit-xml=/tmp/results/dtests/pytest_result_j11_without_vnodes.xml -s --cassandra-dir=/home/cassandra/cassandra --keep-test-dir $SPLIT_TESTS 2>&1 | tee /tmp/dtest/stdout.txt
 +    - store_test_results:
 +        path: /tmp/results
 +    - store_artifacts:
 +        path: /tmp/dtest
 +        destination: dtest_j11_without_vnodes
 +    - store_artifacts:
 +        path: ~/cassandra-dtest/logs
 +        destination: dtest_j11_without_vnodes_logs
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - CASSANDRA_USE_JDK11: true
 +  j11_cqlshlib_tests:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11:20210304
 +    resource_class: medium
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 1
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Run cqlshlib Unit Tests
 +        command: |
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          time mv ~/cassandra /tmp
 +          cd /tmp/cassandra/pylib
 +          ./cassandra-cqlsh-tests.sh ..
 +        no_output_timeout: 15m
 +    - store_test_results:
 +        path: /tmp/cassandra/pylib
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - CASSANDRA_USE_JDK11: true
 +  j8_dtests-with-vnodes:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11-w-dependencies:20210304
 +    resource_class: large
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 50
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Clone Cassandra dtest Repository (via git)
 +        command: |
 +          git clone --single-branch --branch $DTEST_BRANCH --depth 1 $DTEST_REPO ~/cassandra-dtest
 +    - run:
 +        name: Configure virtualenv and python Dependencies
 +        command: |
 +          # note, this should be super quick as all dependencies should be pre-installed in the docker image
 +          # if additional dependencies were added to requirmeents.txt and the docker image hasn't been updated
 +          # we'd have to install it here at runtime -- which will make things slow, so do yourself a favor and
 +          # rebuild the docker image! (it automatically pulls the latest requirements.txt on build)
 +          source ~/env3.6/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          pip3 install --exists-action w --upgrade -r ~/cassandra-dtest/requirements.txt
 +          pip3 uninstall -y cqlsh
 +          pip3 freeze
 +    - run:
 +        name: Determine Tests to Run (j8_with_vnodes)
 +        no_output_timeout: 5m
 +        command: "# reminder: this code (along with all the steps) is independently executed on every circle container\n# so the goal here is to get the circleci script to return the tests *this* container will run\n# which we do via the `circleci` cli tool.\n\ncd cassandra-dtest\nsource ~/env3.6/bin/activate\nexport PATH=$JAVA_HOME/bin:$PATH\n\nif [ -n '' ]; then\n  export \nfi\n\necho \"***Collected DTests (j8_with_vnodes)***\"\nset -eo pipefail && ./run_dtests.py --use-vnodes --skip- [...]
 +    - run:
 +        name: Run dtests (j8_with_vnodes)
 +        no_output_timeout: 15m
 +        command: "echo \"cat /tmp/split_dtest_tests_j8_with_vnodes_final.txt\"\ncat /tmp/split_dtest_tests_j8_with_vnodes_final.txt\n\nsource ~/env3.6/bin/activate\nexport PATH=$JAVA_HOME/bin:$PATH\nif [ -n '' ]; then\n  export \nfi\n\njava -version\ncd ~/cassandra-dtest\nmkdir -p /tmp/dtest\n\necho \"env: $(env)\"\necho \"** done env\"\nmkdir -p /tmp/results/dtests\n# we need the \"set -o pipefail\" here so that the exit code that circleci will actually use is from pytest and not the e [...]
 +    - store_test_results:
 +        path: /tmp/results
 +    - store_artifacts:
 +        path: /tmp/dtest
 +        destination: dtest_j8_with_vnodes
 +    - store_artifacts:
 +        path: ~/cassandra-dtest/logs
 +        destination: dtest_j8_with_vnodes_logs
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +  j11_cqlsh-dtests-py38-no-vnodes:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11:20210304
 +    resource_class: large
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 50
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Clone Cassandra dtest Repository (via git)
 +        command: |
 +          git clone --single-branch --branch $DTEST_BRANCH --depth 1 $DTEST_REPO ~/cassandra-dtest
 +    - run:
 +        name: Configure virtualenv and python Dependencies
 +        command: |
 +          # note, this should be super quick as all dependencies should be pre-installed in the docker image
 +          # if additional dependencies were added to requirmeents.txt and the docker image hasn't been updated
 +          # we'd have to install it here at runtime -- which will make things slow, so do yourself a favor and
 +          # rebuild the docker image! (it automatically pulls the latest requirements.txt on build)
 +          source ~/env3.8/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          pip3 install --exists-action w --upgrade -r ~/cassandra-dtest/requirements.txt
 +          pip3 uninstall -y cqlsh
 +          pip3 freeze
 +    - run:
 +        name: Determine Tests to Run (j11_without_vnodes)
 +        no_output_timeout: 5m
 +        command: "# reminder: this code (along with all the steps) is independently executed on every circle container\n# so the goal here is to get the circleci script to return the tests *this* container will run\n# which we do via the `circleci` cli tool.\n\ncd cassandra-dtest\nsource ~/env3.8/bin/activate\nexport PATH=$JAVA_HOME/bin:$PATH\n\nif [ -n '' ]; then\n  export \nfi\n\necho \"***Collected DTests (j11_without_vnodes)***\"\nset -eo pipefail && ./run_dtests.py --skip-resource- [...]
 +    - run:
 +        name: Run dtests (j11_without_vnodes)
 +        no_output_timeout: 15m
 +        command: |
 +          echo "cat /tmp/split_dtest_tests_j11_without_vnodes_final.txt"
 +          cat /tmp/split_dtest_tests_j11_without_vnodes_final.txt
 +
 +          source ~/env3.8/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          if [ -n 'CQLSH_PYTHON=/usr/bin/python3.8' ]; then
 +            export CQLSH_PYTHON=/usr/bin/python3.8
 +          fi
 +
 +          java -version
 +          cd ~/cassandra-dtest
 +          mkdir -p /tmp/dtest
 +
 +          echo "env: $(env)"
 +          echo "** done env"
 +          mkdir -p /tmp/results/dtests
 +          # we need the "set -o pipefail" here so that the exit code that circleci will actually use is from pytest and not the exit code from tee
 +          export SPLIT_TESTS=`cat /tmp/split_dtest_tests_j11_without_vnodes_final.txt`
 +          set -o pipefail && cd ~/cassandra-dtest && pytest --skip-resource-intensive-tests --log-cli-level=DEBUG --junit-xml=/tmp/results/dtests/pytest_result_j11_without_vnodes.xml -s --cassandra-dir=/home/cassandra/cassandra --keep-test-dir $SPLIT_TESTS 2>&1 | tee /tmp/dtest/stdout.txt
 +    - store_test_results:
 +        path: /tmp/results
 +    - store_artifacts:
 +        path: /tmp/dtest
 +        destination: dtest_j11_without_vnodes
 +    - store_artifacts:
 +        path: ~/cassandra-dtest/logs
 +        destination: dtest_j11_without_vnodes_logs
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - CASSANDRA_USE_JDK11: true
 +  j8_jvm_dtests:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11-w-dependencies:20210304
 +    resource_class: large
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 10
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Determine distributed Tests to Run
 +        command: |
 +          # reminder: this code (along with all the steps) is independently executed on every circle container
 +          # so the goal here is to get the circleci script to return the tests *this* container will run
 +          # which we do via the `circleci` cli tool.
 +
 +          rm -fr ~/cassandra-dtest/upgrade_tests
 +          echo "***java tests***"
 +
 +          # get all of our unit test filenames
 +          set -eo pipefail && circleci tests glob "$HOME/cassandra/test/distributed/**/*.java" > /tmp/all_java_unit_tests.txt
 +
 +          # split up the unit tests into groups based on the number of containers we have
 +          set -eo pipefail && circleci tests split --split-by=timings --timings-type=filename --index=${CIRCLE_NODE_INDEX} --total=${CIRCLE_NODE_TOTAL} /tmp/all_java_unit_tests.txt > /tmp/java_tests_${CIRCLE_NODE_INDEX}.txt
 +          set -eo pipefail && cat /tmp/java_tests_${CIRCLE_NODE_INDEX}.txt | sed "s;^/home/cassandra/cassandra/test/distributed/;;g" | grep "Test\.java$" | grep -v upgrade > /tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt
 +          echo "** /tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt"
 +          cat /tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt
 +        no_output_timeout: 15m
 +    - run:
 +        name: Log Environment Information
 +        command: |
 +          echo '*** id ***'
 +          id
 +          echo '*** cat /proc/cpuinfo ***'
 +          cat /proc/cpuinfo
 +          echo '*** free -m ***'
 +          free -m
 +          echo '*** df -m ***'
 +          df -m
 +          echo '*** ifconfig -a ***'
 +          ifconfig -a
 +          echo '*** uname -a ***'
 +          uname -a
 +          echo '*** mount ***'
 +          mount
 +          echo '*** env ***'
 +          env
 +          echo '*** java ***'
 +          which java
 +          java -version
 +    - run:
 +        name: Run Unit Tests (testclasslist)
 +        command: |
 +          set -x
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          time mv ~/cassandra /tmp
 +          cd /tmp/cassandra
 +          if [ -d ~/dtest_jars ]; then
 +            cp ~/dtest_jars/dtest* /tmp/cassandra/build/
 +          fi
 +          test_timeout=$(grep 'name="test.distributed.timeout"' build.xml | awk -F'"' '{print $4}' || true)
 +          if [ -z "$test_timeout" ]; then
 +            test_timeout=$(grep 'name="test.timeout"' build.xml | awk -F'"' '{print $4}')
 +          fi
-           ant testclasslist -Dtest.timeout="$test_timeout" -Dtest.classlistfile=/tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt  -Dtest.classlistprefix=distributed -Dtest.runners=1
++          ant testclasslist -Dtest.timeout="$test_timeout" -Dtest.classlistfile=/tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt  -Dtest.classlistprefix=distributed
 +        no_output_timeout: 15m
 +    - store_test_results:
 +        path: /tmp/cassandra/build/test/output/
 +    - store_artifacts:
 +        path: /tmp/cassandra/build/test/output
 +        destination: junitxml
 +    - store_artifacts:
 +        path: /tmp/cassandra/build/test/logs
 +        destination: logs
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +  j8_build:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11-w-dependencies:20210304
 +    resource_class: medium
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 1
 +    steps:
 +    - run:
 +        name: Log Environment Information
 +        command: |
 +          echo '*** id ***'
 +          id
 +          echo '*** cat /proc/cpuinfo ***'
 +          cat /proc/cpuinfo
 +          echo '*** free -m ***'
 +          free -m
 +          echo '*** df -m ***'
 +          df -m
 +          echo '*** ifconfig -a ***'
 +          ifconfig -a
 +          echo '*** uname -a ***'
 +          uname -a
 +          echo '*** mount ***'
 +          mount
 +          echo '*** env ***'
 +          env
 +          echo '*** java ***'
 +          which java
 +          java -version
 +    - run:
 +        name: Clone Cassandra Repository (via git)
 +        command: |
 +          git clone --single-branch --depth 1 --branch $CIRCLE_BRANCH git://github.com/$CIRCLE_PROJECT_USERNAME/$CIRCLE_PROJECT_REPONAME.git ~/cassandra
 +    - run:
 +        name: Build Cassandra
 +        command: |
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          cd ~/cassandra
 +          # Loop to prevent failure due to maven-ant-tasks not downloading a jar..
 +          for x in $(seq 1 3); do
 +              ${ANT_HOME}/bin/ant clean realclean jar
 +              RETURN="$?"
 +              if [ "${RETURN}" -eq "0" ]; then
 +                  break
 +              fi
 +          done
 +          # Exit, if we didn't build successfully
 +          if [ "${RETURN}" -ne "0" ]; then
 +              echo "Build failed with exit code: ${RETURN}"
 +              exit ${RETURN}
 +          fi
 +        no_output_timeout: 15m
 +    - run:
 +        name: Run eclipse-warnings
 +        command: |
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          cd ~/cassandra
 +          ant eclipse-warnings
 +    - persist_to_workspace:
 +        root: /home/cassandra
 +        paths:
 +        - cassandra
 +        - .m2
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +  j8_cqlsh-dtests-py3-no-vnodes:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11-w-dependencies:20210304
 +    resource_class: large
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 50
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Clone Cassandra dtest Repository (via git)
 +        command: |
 +          git clone --single-branch --branch $DTEST_BRANCH --depth 1 $DTEST_REPO ~/cassandra-dtest
 +    - run:
 +        name: Configure virtualenv and python Dependencies
 +        command: |
 +          # note, this should be super quick as all dependencies should be pre-installed in the docker image
 +          # if additional dependencies were added to requirmeents.txt and the docker image hasn't been updated
 +          # we'd have to install it here at runtime -- which will make things slow, so do yourself a favor and
 +          # rebuild the docker image! (it automatically pulls the latest requirements.txt on build)
 +          source ~/env3.6/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          pip3 install --exists-action w --upgrade -r ~/cassandra-dtest/requirements.txt
 +          pip3 uninstall -y cqlsh
 +          pip3 freeze
 +    - run:
 +        name: Determine Tests to Run (j8_without_vnodes)
 +        no_output_timeout: 5m
 +        command: "# reminder: this code (along with all the steps) is independently executed on every circle container\n# so the goal here is to get the circleci script to return the tests *this* container will run\n# which we do via the `circleci` cli tool.\n\ncd cassandra-dtest\nsource ~/env3.6/bin/activate\nexport PATH=$JAVA_HOME/bin:$PATH\n\nif [ -n '' ]; then\n  export \nfi\n\necho \"***Collected DTests (j8_without_vnodes)***\"\nset -eo pipefail && ./run_dtests.py --skip-resource-i [...]
 +    - run:
 +        name: Run dtests (j8_without_vnodes)
 +        no_output_timeout: 15m
 +        command: |
 +          echo "cat /tmp/split_dtest_tests_j8_without_vnodes_final.txt"
 +          cat /tmp/split_dtest_tests_j8_without_vnodes_final.txt
 +
 +          source ~/env3.6/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          if [ -n 'CQLSH_PYTHON=/usr/bin/python3.6' ]; then
 +            export CQLSH_PYTHON=/usr/bin/python3.6
 +          fi
 +
 +          java -version
 +          cd ~/cassandra-dtest
 +          mkdir -p /tmp/dtest
 +
 +          echo "env: $(env)"
 +          echo "** done env"
 +          mkdir -p /tmp/results/dtests
 +          # we need the "set -o pipefail" here so that the exit code that circleci will actually use is from pytest and not the exit code from tee
 +          export SPLIT_TESTS=`cat /tmp/split_dtest_tests_j8_without_vnodes_final.txt`
 +          set -o pipefail && cd ~/cassandra-dtest && pytest --skip-resource-intensive-tests --log-cli-level=DEBUG --junit-xml=/tmp/results/dtests/pytest_result_j8_without_vnodes.xml -s --cassandra-dir=/home/cassandra/cassandra --keep-test-dir $SPLIT_TESTS 2>&1 | tee /tmp/dtest/stdout.txt
 +    - store_test_results:
 +        path: /tmp/results
 +    - store_artifacts:
 +        path: /tmp/dtest
 +        destination: dtest_j8_without_vnodes
 +    - store_artifacts:
 +        path: ~/cassandra-dtest/logs
 +        destination: dtest_j8_without_vnodes_logs
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +  j8_cqlsh-dtests-py38-with-vnodes:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11-w-dependencies:20210304
 +    resource_class: large
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 50
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Clone Cassandra dtest Repository (via git)
 +        command: |
 +          git clone --single-branch --branch $DTEST_BRANCH --depth 1 $DTEST_REPO ~/cassandra-dtest
 +    - run:
 +        name: Configure virtualenv and python Dependencies
 +        command: |
 +          # note, this should be super quick as all dependencies should be pre-installed in the docker image
 +          # if additional dependencies were added to requirmeents.txt and the docker image hasn't been updated
 +          # we'd have to install it here at runtime -- which will make things slow, so do yourself a favor and
 +          # rebuild the docker image! (it automatically pulls the latest requirements.txt on build)
 +          source ~/env3.8/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          pip3 install --exists-action w --upgrade -r ~/cassandra-dtest/requirements.txt
 +          pip3 uninstall -y cqlsh
 +          pip3 freeze
 +    - run:
 +        name: Determine Tests to Run (j8_with_vnodes)
 +        no_output_timeout: 5m
 +        command: "# reminder: this code (along with all the steps) is independently executed on every circle container\n# so the goal here is to get the circleci script to return the tests *this* container will run\n# which we do via the `circleci` cli tool.\n\ncd cassandra-dtest\nsource ~/env3.8/bin/activate\nexport PATH=$JAVA_HOME/bin:$PATH\n\nif [ -n '' ]; then\n  export \nfi\n\necho \"***Collected DTests (j8_with_vnodes)***\"\nset -eo pipefail && ./run_dtests.py --use-vnodes --skip- [...]
 +    - run:
 +        name: Run dtests (j8_with_vnodes)
 +        no_output_timeout: 15m
 +        command: |
 +          echo "cat /tmp/split_dtest_tests_j8_with_vnodes_final.txt"
 +          cat /tmp/split_dtest_tests_j8_with_vnodes_final.txt
 +
 +          source ~/env3.8/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          if [ -n 'CQLSH_PYTHON=/usr/bin/python3.8' ]; then
 +            export CQLSH_PYTHON=/usr/bin/python3.8
 +          fi
 +
 +          java -version
 +          cd ~/cassandra-dtest
 +          mkdir -p /tmp/dtest
 +
 +          echo "env: $(env)"
 +          echo "** done env"
 +          mkdir -p /tmp/results/dtests
 +          # we need the "set -o pipefail" here so that the exit code that circleci will actually use is from pytest and not the exit code from tee
 +          export SPLIT_TESTS=`cat /tmp/split_dtest_tests_j8_with_vnodes_final.txt`
 +          set -o pipefail && cd ~/cassandra-dtest && pytest --use-vnodes --num-tokens=16 --skip-resource-intensive-tests --log-cli-level=DEBUG --junit-xml=/tmp/results/dtests/pytest_result_j8_with_vnodes.xml -s --cassandra-dir=/home/cassandra/cassandra --keep-test-dir $SPLIT_TESTS 2>&1 | tee /tmp/dtest/stdout.txt
 +    - store_test_results:
 +        path: /tmp/results
 +    - store_artifacts:
 +        path: /tmp/dtest
 +        destination: dtest_j8_with_vnodes
 +    - store_artifacts:
 +        path: ~/cassandra-dtest/logs
 +        destination: dtest_j8_with_vnodes_logs
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +  utests_long:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11-w-dependencies:20210304
 +    resource_class: medium
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 1
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Run Unit Tests (long-test)
 +        command: |
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          time mv ~/cassandra /tmp
 +          cd /tmp/cassandra
 +          if [ -d ~/dtest_jars ]; then
 +            cp ~/dtest_jars/dtest* /tmp/cassandra/build/
 +          fi
 +          ant long-test
 +        no_output_timeout: 15m
 +    - store_test_results:
 +        path: /tmp/cassandra/build/test/output/
 +    - store_artifacts:
 +        path: /tmp/cassandra/build/test/output
 +        destination: junitxml
 +    - store_artifacts:
 +        path: /tmp/cassandra/build/test/logs
 +        destination: logs
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +  utests_system_keyspace_directory:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11-w-dependencies:20210304
 +    resource_class: medium
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 25
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Determine unit Tests to Run
 +        command: |
 +          # reminder: this code (along with all the steps) is independently executed on every circle container
 +          # so the goal here is to get the circleci script to return the tests *this* container will run
 +          # which we do via the `circleci` cli tool.
 +
 +          rm -fr ~/cassandra-dtest/upgrade_tests
 +          echo "***java tests***"
 +
 +          # get all of our unit test filenames
 +          set -eo pipefail && circleci tests glob "$HOME/cassandra/test/unit/**/*.java" > /tmp/all_java_unit_tests.txt
 +
 +          # split up the unit tests into groups based on the number of containers we have
 +          set -eo pipefail && circleci tests split --split-by=timings --timings-type=filename --index=${CIRCLE_NODE_INDEX} --total=${CIRCLE_NODE_TOTAL} /tmp/all_java_unit_tests.txt > /tmp/java_tests_${CIRCLE_NODE_INDEX}.txt
 +          set -eo pipefail && cat /tmp/java_tests_${CIRCLE_NODE_INDEX}.txt | sed "s;^/home/cassandra/cassandra/test/unit/;;g" | grep "Test\.java$"  > /tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt
 +          echo "** /tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt"
 +          cat /tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt
 +        no_output_timeout: 15m
 +    - run:
 +        name: Log Environment Information
 +        command: |
 +          echo '*** id ***'
 +          id
 +          echo '*** cat /proc/cpuinfo ***'
 +          cat /proc/cpuinfo
 +          echo '*** free -m ***'
 +          free -m
 +          echo '*** df -m ***'
 +          df -m
 +          echo '*** ifconfig -a ***'
 +          ifconfig -a
 +          echo '*** uname -a ***'
 +          uname -a
 +          echo '*** mount ***'
 +          mount
 +          echo '*** env ***'
 +          env
 +          echo '*** java ***'
 +          which java
 +          java -version
 +    - run:
 +        name: Run Unit Tests (testclasslist-system-keyspace-directory)
 +        command: |
 +          set -x
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          time mv ~/cassandra /tmp
 +          cd /tmp/cassandra
 +          if [ -d ~/dtest_jars ]; then
 +            cp ~/dtest_jars/dtest* /tmp/cassandra/build/
 +          fi
 +          test_timeout=$(grep 'name="test.unit.timeout"' build.xml | awk -F'"' '{print $4}' || true)
 +          if [ -z "$test_timeout" ]; then
 +            test_timeout=$(grep 'name="test.timeout"' build.xml | awk -F'"' '{print $4}')
 +          fi
 +          ant testclasslist-system-keyspace-directory -Dtest.timeout="$test_timeout" -Dtest.classlistfile=/tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt  -Dtest.classlistprefix=unit
 +        no_output_timeout: 15m
 +    - store_test_results:
 +        path: /tmp/cassandra/build/test/output/
 +    - store_artifacts:
 +        path: /tmp/cassandra/build/test/output
 +        destination: junitxml
 +    - store_artifacts:
 +        path: /tmp/cassandra/build/test/logs
 +        destination: logs
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +  j8_cqlshlib_tests:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11-w-dependencies:20210304
 +    resource_class: medium
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 1
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Run cqlshlib Unit Tests
 +        command: |
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          time mv ~/cassandra /tmp
 +          cd /tmp/cassandra/pylib
 +          ./cassandra-cqlsh-tests.sh ..
 +        no_output_timeout: 15m
 +    - store_test_results:
 +        path: /tmp/cassandra/pylib
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +  utests_fqltool:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11-w-dependencies:20210304
 +    resource_class: medium
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 1
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Run Unit Tests (fqltool-test)
 +        command: |
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          time mv ~/cassandra /tmp
 +          cd /tmp/cassandra
 +          if [ -d ~/dtest_jars ]; then
 +            cp ~/dtest_jars/dtest* /tmp/cassandra/build/
 +          fi
 +          ant fqltool-test
 +        no_output_timeout: 15m
 +    - store_test_results:
 +        path: /tmp/cassandra/build/test/output/
 +    - store_artifacts:
 +        path: /tmp/cassandra/build/test/output
 +        destination: junitxml
 +    - store_artifacts:
 +        path: /tmp/cassandra/build/test/logs
 +        destination: logs
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +  j11_dtests-no-vnodes:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11:20210304
 +    resource_class: large
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 50
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Log Environment Information
 +        command: |
 +          echo '*** id ***'
 +          id
 +          echo '*** cat /proc/cpuinfo ***'
 +          cat /proc/cpuinfo
 +          echo '*** free -m ***'
 +          free -m
 +          echo '*** df -m ***'
 +          df -m
 +          echo '*** ifconfig -a ***'
 +          ifconfig -a
 +          echo '*** uname -a ***'
 +          uname -a
 +          echo '*** mount ***'
 +          mount
 +          echo '*** env ***'
 +          env
 +          echo '*** java ***'
 +          which java
 +          java -version
 +    - run:
 +        name: Clone Cassandra dtest Repository (via git)
 +        command: |
 +          git clone --single-branch --branch $DTEST_BRANCH --depth 1 $DTEST_REPO ~/cassandra-dtest
 +    - run:
 +        name: Configure virtualenv and python Dependencies
 +        command: |
 +          # note, this should be super quick as all dependencies should be pre-installed in the docker image
 +          # if additional dependencies were added to requirmeents.txt and the docker image hasn't been updated
 +          # we'd have to install it here at runtime -- which will make things slow, so do yourself a favor and
 +          # rebuild the docker image! (it automatically pulls the latest requirements.txt on build)
 +          source ~/env3.6/bin/activate
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          pip3 install --exists-action w --upgrade -r ~/cassandra-dtest/requirements.txt
 +          pip3 uninstall -y cqlsh
 +          pip3 freeze
 +    - run:
 +        name: Determine Tests to Run (j11_without_vnodes)
 +        no_output_timeout: 5m
 +        command: "# reminder: this code (along with all the steps) is independently executed on every circle container\n# so the goal here is to get the circleci script to return the tests *this* container will run\n# which we do via the `circleci` cli tool.\n\ncd cassandra-dtest\nsource ~/env3.6/bin/activate\nexport PATH=$JAVA_HOME/bin:$PATH\n\nif [ -n '' ]; then\n  export \nfi\n\necho \"***Collected DTests (j11_without_vnodes)***\"\nset -eo pipefail && ./run_dtests.py --skip-resource- [...]
 +    - run:
 +        name: Run dtests (j11_without_vnodes)
 +        no_output_timeout: 15m
 +        command: "echo \"cat /tmp/split_dtest_tests_j11_without_vnodes_final.txt\"\ncat /tmp/split_dtest_tests_j11_without_vnodes_final.txt\n\nsource ~/env3.6/bin/activate\nexport PATH=$JAVA_HOME/bin:$PATH\nif [ -n '' ]; then\n  export \nfi\n\njava -version\ncd ~/cassandra-dtest\nmkdir -p /tmp/dtest\n\necho \"env: $(env)\"\necho \"** done env\"\nmkdir -p /tmp/results/dtests\n# we need the \"set -o pipefail\" here so that the exit code that circleci will actually use is from pytest and n [...]
 +    - store_test_results:
 +        path: /tmp/results
 +    - store_artifacts:
 +        path: /tmp/dtest
 +        destination: dtest_j11_without_vnodes
 +    - store_artifacts:
 +        path: ~/cassandra-dtest/logs
 +        destination: dtest_j11_without_vnodes_logs
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - CASSANDRA_USE_JDK11: true
 +  utests_compression:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11-w-dependencies:20210304
 +    resource_class: medium
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 25
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Determine unit Tests to Run
 +        command: |
 +          # reminder: this code (along with all the steps) is independently executed on every circle container
 +          # so the goal here is to get the circleci script to return the tests *this* container will run
 +          # which we do via the `circleci` cli tool.
 +
 +          rm -fr ~/cassandra-dtest/upgrade_tests
 +          echo "***java tests***"
 +
 +          # get all of our unit test filenames
 +          set -eo pipefail && circleci tests glob "$HOME/cassandra/test/unit/**/*.java" > /tmp/all_java_unit_tests.txt
 +
 +          # split up the unit tests into groups based on the number of containers we have
 +          set -eo pipefail && circleci tests split --split-by=timings --timings-type=filename --index=${CIRCLE_NODE_INDEX} --total=${CIRCLE_NODE_TOTAL} /tmp/all_java_unit_tests.txt > /tmp/java_tests_${CIRCLE_NODE_INDEX}.txt
 +          set -eo pipefail && cat /tmp/java_tests_${CIRCLE_NODE_INDEX}.txt | sed "s;^/home/cassandra/cassandra/test/unit/;;g" | grep "Test\.java$"  > /tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt
 +          echo "** /tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt"
 +          cat /tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt
 +        no_output_timeout: 15m
 +    - run:
 +        name: Log Environment Information
 +        command: |
 +          echo '*** id ***'
 +          id
 +          echo '*** cat /proc/cpuinfo ***'
 +          cat /proc/cpuinfo
 +          echo '*** free -m ***'
 +          free -m
 +          echo '*** df -m ***'
 +          df -m
 +          echo '*** ifconfig -a ***'
 +          ifconfig -a
 +          echo '*** uname -a ***'
 +          uname -a
 +          echo '*** mount ***'
 +          mount
 +          echo '*** env ***'
 +          env
 +          echo '*** java ***'
 +          which java
 +          java -version
 +    - run:
 +        name: Run Unit Tests (testclasslist-compression)
 +        command: |
 +          set -x
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          time mv ~/cassandra /tmp
 +          cd /tmp/cassandra
 +          if [ -d ~/dtest_jars ]; then
 +            cp ~/dtest_jars/dtest* /tmp/cassandra/build/
 +          fi
 +          test_timeout=$(grep 'name="test.unit.timeout"' build.xml | awk -F'"' '{print $4}' || true)
 +          if [ -z "$test_timeout" ]; then
 +            test_timeout=$(grep 'name="test.timeout"' build.xml | awk -F'"' '{print $4}')
 +          fi
 +          ant testclasslist-compression -Dtest.timeout="$test_timeout" -Dtest.classlistfile=/tmp/java_tests_${CIRCLE_NODE_INDEX}_final.txt  -Dtest.classlistprefix=unit
 +        no_output_timeout: 15m
 +    - store_test_results:
 +        path: /tmp/cassandra/build/test/output/
 +    - store_artifacts:
 +        path: /tmp/cassandra/build/test/output
 +        destination: junitxml
 +    - store_artifacts:
 +        path: /tmp/cassandra/build/test/logs
 +        destination: logs
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +  j8_dtest_jars_build:
 +    docker:
 +    - image: apache/cassandra-testing-ubuntu2004-java11-w-dependencies:20210304
 +    resource_class: medium
 +    working_directory: ~/
 +    shell: /bin/bash -eo pipefail -l
 +    parallelism: 1
 +    steps:
 +    - attach_workspace:
 +        at: /home/cassandra
 +    - run:
 +        name: Build Cassandra DTest jars
 +        command: |
 +          export PATH=$JAVA_HOME/bin:$PATH
 +          cd ~/cassandra
 +          mkdir ~/dtest_jars
 +          git remote add apache git://github.com/apache/cassandra.git
 +          for branch in cassandra-2.2 cassandra-3.0 cassandra-3.11 trunk; do
 +            # check out the correct cassandra version:
 +            git remote set-branches --add apache '$branch'
 +            git fetch --depth 1 apache $branch
 +            git checkout $branch
 +            git clean -fd
 +            # Loop to prevent failure due to maven-ant-tasks not downloading a jar..
 +            for x in $(seq 1 3); do
 +                ${ANT_HOME}/bin/ant realclean; ${ANT_HOME}/bin/ant jar dtest-jar
 +                RETURN="$?"
 +                if [ "${RETURN}" -eq "0" ]; then
 +                    cp build/dtest*.jar ~/dtest_jars
 +                    break
 +                fi
 +            done
 +            # Exit, if we didn't build successfully
 +            if [ "${RETURN}" -ne "0" ]; then
 +                echo "Build failed with exit code: ${RETURN}"
 +                exit ${RETURN}
 +            fi
 +          done
 +          # and build the dtest-jar for the branch under test
 +          ${ANT_HOME}/bin/ant realclean
 +          git checkout origin/$CIRCLE_BRANCH
 +          git clean -fd
 +          for x in $(seq 1 3); do
 +              ${ANT_HOME}/bin/ant realclean; ${ANT_HOME}/bin/ant jar dtest-jar
 +              RETURN="$?"
 +              if [ "${RETURN}" -eq "0" ]; then
 +                  cp build/dtest*.jar ~/dtest_jars
 +                  break
 +              fi
 +          done
 +          # Exit, if we didn't build successfully
 +          if [ "${RETURN}" -ne "0" ]; then
 +              echo "Build failed with exit code: ${RETURN}"
 +              exit ${RETURN}
 +          fi
 +          ls -l ~/dtest_jars
 +        no_output_timeout: 15m
 +    - persist_to_workspace:
 +        root: /home/cassandra
 +        paths:
 +        - dtest_jars
 +    environment:
 +    - ANT_HOME: /usr/share/ant
 +    - JAVA11_HOME: /usr/lib/jvm/java-11-openjdk-amd64
 +    - JAVA8_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - LANG: en_US.UTF-8
 +    - KEEP_TEST_DIR: true
 +    - DEFAULT_DIR: /home/cassandra/cassandra-dtest
 +    - PYTHONIOENCODING: utf-8
 +    - PYTHONUNBUFFERED: true
 +    - CASS_DRIVER_NO_EXTENSIONS: true
 +    - CASS_DRIVER_NO_CYTHON: true
 +    - CASSANDRA_SKIP_SYNC: true
 +    - DTEST_REPO: git://github.com/apache/cassandra-dtest.git
 +    - DTEST_BRANCH: trunk
 +    - CCM_MAX_HEAP_SIZE: 1024M
 +    - CCM_HEAP_NEWSIZE: 256M
 +    - JAVA_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +    - JDK_HOME: /usr/lib/jvm/java-8-openjdk-amd64
 +workflows:
 +  version: 2
 +  java8_build_and_run_tests:
 +    jobs:
 +    - j8_build
 +    - j8_unit_tests:
 +        requires:
 +        - j8_build
 +    - j8_jvm_dtests:
 +        requires:
 +        - j8_build
 +    - start_j11_unit_tests:
 +        type: approval
 +    - j11_unit_tests:
 +        requires:
 +        - start_j11_unit_tests
 +        - j8_build
 +    - j8_cqlshlib_tests:
 +        requires:
 +        - j8_build
 +    - start_utests_long:
 +        type: approval
 +    - utests_long:
 +        requires:
 +        - start_utests_long
 +        - j8_build
 +    - start_utests_compression:
 +        type: approval
 +    - utests_compression:
 +        requires:
 +        - start_utests_compression
 +        - j8_build
 +    - start_utests_stress:
 +        type: approval
 +    - utests_stress:
 +        requires:
 +        - start_utests_stress
 +        - j8_build
 +    - start_utests_fqltool:
 +        type: approval
 +    - utests_fqltool:
 +        requires:
 +        - start_utests_fqltool
 +        - j8_build
 +    - start_utests_system_keyspace_directory:
 +        type: approval
 +    - utests_system_keyspace_directory:
 +        requires:
 +        - start_utests_system_keyspace_directory
 +        - j8_build
 +    - start_jvm_upgrade_dtest:
 +        type: approval
 +    - j8_dtest_jars_build:
 +        requires:
 +        - j8_build
 +        - start_jvm_upgrade_dtest
 +    - j8_jvm_upgrade_dtests:
 +        requires:
 +        - j8_dtest_jars_build
 +    - start_j8_dtests:
 +        type: approval
 +    - j8_dtests-with-vnodes:
 +        requires:
 +        - start_j8_dtests
 +        - j8_build
 +    - j8_dtests-no-vnodes:
 +        requires:
 +        - start_j8_dtests
 +        - j8_build
 +    - start_j11_dtests:
 +        type: approval
 +    - j11_dtests-with-vnodes:
 +        requires:
 +        - start_j11_dtests
 +        - j8_build
 +    - j11_dtests-no-vnodes:
 +        requires:
 +        - start_j11_dtests
 +        - j8_build
 +    - start_upgrade_tests:
 +        type: approval
 +    - j8_upgradetests-no-vnodes:
 +        requires:
 +        - start_upgrade_tests
 +        - j8_build
 +    - start_j8_cqlsh_tests-with-vnodes:
 +        type: approval
 +    - j8_cqlsh-dtests-py2-with-vnodes:
 +        requires:
 +        - start_j8_cqlsh_tests-with-vnodes
 +        - j8_build
 +    - j8_cqlsh-dtests-py3-with-vnodes:
 +        requires:
 +        - start_j8_cqlsh_tests-with-vnodes
 +        - j8_build
 +    - j8_cqlsh-dtests-py38-with-vnodes:
 +        requires:
 +        - start_j8_cqlsh_tests-with-vnodes
 +        - j8_build
 +    - start_j8_cqlsh_tests-no-vnodes:
 +        type: approval
 +    - j8_cqlsh-dtests-py2-no-vnodes:
 +        requires:
 +        - start_j8_cqlsh_tests-no-vnodes
 +        - j8_build
 +    - j8_cqlsh-dtests-py3-no-vnodes:
 +        requires:
 +        - start_j8_cqlsh_tests-no-vnodes
 +        - j8_build
 +    - j8_cqlsh-dtests-py38-no-vnodes:
 +        requires:
 +        - start_j8_cqlsh_tests-no-vnodes
 +        - j8_build
 +    - start_j11_cqlsh_tests-with-vnodes:
 +        type: approval
 +    - j11_cqlsh-dtests-py2-with-vnodes:
 +        requires:
 +        - start_j11_cqlsh_tests-with-vnodes
 +        - j8_build
 +    - j11_cqlsh-dtests-py3-with-vnodes:
 +        requires:
 +        - start_j11_cqlsh_tests-with-vnodes
 +        - j8_build
 +    - j11_cqlsh-dtests-py38-with-vnodes:
 +        requires:
 +        - start_j11_cqlsh_tests-with-vnodes
 +        - j8_build
 +    - start_j11_cqlsh_tests-no-vnodes:
 +        type: approval
 +    - j11_cqlsh-dtests-py2-no-vnodes:
 +        requires:
 +        - start_j11_cqlsh_tests-no-vnodes
 +        - j8_build
 +    - j11_cqlsh-dtests-py3-no-vnodes:
 +        requires:
 +        - start_j11_cqlsh_tests-no-vnodes
 +        - j8_build
 +    - j11_cqlsh-dtests-py38-no-vnodes:
 +        requires:
 +        - start_j11_cqlsh_tests-no-vnodes
 +        - j8_build
 +  java11_build_and_run_tests:
 +    jobs:
 +    - j11_build
 +    - start_j11_unit_tests:
 +        type: approval
 +    - j11_unit_tests:
 +        requires:
 +        - start_j11_unit_tests
 +        - j11_build
 +    - j11_jvm_dtests:
 +        requires:
 +        - j11_build
 +    - j11_cqlshlib_tests:
 +        requires:
 +        - j11_build
 +    - start_j11_dtests:
 +        type: approval
 +    - j11_dtests-with-vnodes:
 +        requires:
 +        - start_j11_dtests
 +        - j11_build
 +    - j11_dtests-no-vnodes:
 +        requires:
 +        - start_j11_dtests
 +        - j11_build
 +    - start_j11_cqlsh_tests-with-vnodes:
 +        type: approval
 +    - j11_cqlsh-dtests-py2-with-vnodes:
 +        requires:
 +        - start_j11_cqlsh_tests-with-vnodes
 +        - j11_build
 +    - j11_cqlsh-dtests-py3-with-vnodes:
 +        requires:
 +        - start_j11_cqlsh_tests-with-vnodes
 +        - j11_build
 +    - j11_cqlsh-dtests-py38-with-vnodes:
 +        requires:
 +        - start_j11_cqlsh_tests-with-vnodes
 +        - j11_build
 +    - start_j11_cqlsh_tests-no-vnodes:
 +        type: approval
 +    - j11_cqlsh-dtests-py2-no-vnodes:
 +        requires:
 +        - start_j11_cqlsh_tests-no-vnodes
 +        - j11_build
 +    - j11_cqlsh-dtests-py3-no-vnodes:
 +        requires:
 +        - start_j11_cqlsh_tests-no-vnodes
 +        - j11_build
 +    - j11_cqlsh-dtests-py38-no-vnodes:
 +        requires:
 +        - start_j11_cqlsh_tests-no-vnodes
 +        - j11_build
diff --cc build.xml
index b165595,7184d74..c9f09f6
--- a/build.xml
+++ b/build.xml
@@@ -1421,15 -1382,14 +1420,13 @@@
      <fileset dir="${test.unit.src}" />
    </target>
  
-   <!-- Will not generate a junit report or fail on error since it is called in parallel for test-compression
-        That is taken care of by testparallel -->
+   <!-- Will not generate a junit report or fail on error  -->
    <macrodef name="testlist">
      <attribute name="test.file.list"/>
-     <attribute name="testlist.offset"/>
      <sequential>
-       <testmacrohelper inputdir="${test.dir}/${test.classlistprefix}" filelist="@{test.file.list}" poffset="@{testlist.offset}" exclude="**/*.java" timeout="${test.timeout}">
+       <testmacrohelper inputdir="${test.dir}/${test.classlistprefix}" filelist="@{test.file.list}" exclude="**/*.java" timeout="${test.timeout}">
          <jvmarg value="-Dlegacy-sstable-root=${test.data}/legacy-sstables"/>
          <jvmarg value="-Dinvalid-legacy-sstable-root=${test.data}/invalid-legacy-sstables"/>
 -        <jvmarg value="-Dmigration-sstable-root=${test.data}/migration-sstables"/>
          <jvmarg value="-Dcassandra.ring_delay_ms=1000"/>
          <jvmarg value="-Dcassandra.tolerate_sstable_size=true"/>
          <jvmarg value="-Dcassandra.config.loader=org.apache.cassandra.OffsetAwareConfigurationLoader"/>
@@@ -1485,28 -1444,6 +1479,27 @@@
      </sequential>
    </macrodef>
  
 +  <macrodef name="testlist-system-keyspace-directory">
 +    <attribute name="test.file.list" />
-     <attribute name="testlist.offset" />
 +    <sequential>
 +      <property name="system_keyspaces_directory_yaml" value="${build.test.dir}/cassandra.system.yaml"/>
 +      <concat destfile="${system_keyspaces_directory_yaml}">
 +        <fileset file="${test.conf}/cassandra.yaml"/>
 +        <fileset file="${test.conf}/system_keyspaces_directory.yaml"/>
 +      </concat>
-       <testmacrohelper inputdir="${test.unit.src}" filelist="@{test.file.list}" poffset="@{testlist.offset}"
++      <testmacrohelper inputdir="${test.unit.src}" filelist="@{test.file.list}"
 +                       exclude="**/*.java" timeout="${test.timeout}" testtag="system_keyspace_directory">
 +        <jvmarg value="-Dlegacy-sstable-root=${test.data}/legacy-sstables"/>
 +        <jvmarg value="-Dinvalid-legacy-sstable-root=${test.data}/invalid-legacy-sstables"/>
 +        <jvmarg value="-Dcassandra.ring_delay_ms=1000"/>
 +        <jvmarg value="-Dcassandra.tolerate_sstable_size=true"/>
 +        <jvmarg value="-Dcassandra.config=file:///${system_keyspaces_directory_yaml}"/>
 +        <jvmarg value="-Dcassandra.skip_sync=true" />
 +        <jvmarg value="-Dcassandra.config.loader=org.apache.cassandra.OffsetAwareConfigurationLoader"/>
 +      </testmacrohelper>
 +    </sequential>
 +  </macrodef>
 +
    <!--
      Run named ant task with jacoco, such as "ant jacoco-run -Dtaskname=test"
      the target run must enable the jacoco agent if usejacoco is 'yes' -->
@@@ -1570,18 -1492,10 +1563,18 @@@
      <path id="all-test-classes-path">
        <fileset dir="${test.unit.src}" includes="**/${test.name}.java" />
      </path>
-     <property name="all-test-classes" refid="all-test-classes-path"/>
-     <testparallel testdelegate="testlist-cdc" />
+     <property name="test.file.list" refid="all-test-classes-path"/>
+     <testlist-cdc test.file.list="${test.file.list}"/>
    </target>
  
 +  <target name="test-system-keyspace-directory" depends="build-test" description="Execute unit tests with a system keyspaces directory configured">
 +    <path id="all-test-classes-path">
 +      <fileset dir="${test.unit.src}" includes="**/${test.name}.java" />
 +    </path>
-     <property name="all-test-classes" refid="all-test-classes-path"/>
-     <testparallel testdelegate="testlist-system-keyspace-directory" />
++    <property name="test.file.list" refid="all-test-classes-path"/>
++    <testlist-system-keyspace-directory test.file.list="${test.file.list}"/>
 +  </target>
 +
    <target name="msg-ser-gen-test" depends="build-test" description="Generates message serializations">
      <testmacro inputdir="${test.unit.src}"
          timeout="${test.timeout}" filter="**/SerializationsTest.java">
@@@ -1937,44 -1756,25 +1831,44 @@@
      <path id="all-test-classes-path">
        <fileset dir="${test.dir}/${test.classlistprefix}" includesfile="${test.classlistfile}"/>
      </path>
-     <property name="all-test-classes" refid="all-test-classes-path"/>
-     <testparallel testdelegate="testlist"/>
+     <property name="test.file.list" refid="all-test-classes-path"/>
+     <testlist test.file.list="${test.file.list}"/>
    </target>
-   <target name="testclasslist-compression" depends="build-test,get-cores,get-mem" description="Parallel-run tests given in file -Dtest.classlistfile (one-class-per-line, e.g. org/apache/cassandra/db/SomeTest.java)">
 -
+   <target name="testclasslist-compression" depends="build-test" description="Run tests given in file -Dtest.classlistfile (one-class-per-line, e.g. org/apache/cassandra/db/SomeTest.java)">
        <path id="all-test-classes-path">
            <fileset dir="${test.dir}/${test.classlistprefix}" includesfile="${test.classlistfile}"/>
        </path>
-       <property name="all-test-classes" refid="all-test-classes-path"/>
-       <testparallel testdelegate="testlist-compression"/>
+       <property name="test.file.list" refid="all-test-classes-path"/>
+       <testlist-compression test.file.list="${test.file.list}"/>
    </target>
-   <target name="testclasslist-cdc" depends="build-test,get-cores,get-mem" description="Parallel-run tests given in file -Dtest.classlistfile (one-class-per-line, e.g. org/apache/cassandra/db/SomeTest.java)">
 -
+   <target name="testclasslist-cdc" depends="build-test" description="Run tests given in file -Dtest.classlistfile (one-class-per-line, e.g. org/apache/cassandra/db/SomeTest.java)">
        <path id="all-test-classes-path">
            <fileset dir="${test.dir}/${test.classlistprefix}" includesfile="${test.classlistfile}"/>
        </path>
-       <property name="all-test-classes" refid="all-test-classes-path"/>
-       <testparallel testdelegate="testlist-cdc"/>
+       <property name="test.file.list" refid="all-test-classes-path"/>
+       <testlist-cdc test.file.list="${test.file.list}"/>
    </target>
-   <target name="testclasslist-system-keyspace-directory" depends="build-test,get-cores,get-mem" description="Parallel-run tests given in file -Dtest.classlistfile (one-class-per-line, e.g. org/apache/cassandra/db/SomeTest.java)">
++  <target name="testclasslist-system-keyspace-directory" depends="build-test" description="Run tests given in file -Dtest.classlistfile (one-class-per-line, e.g. org/apache/cassandra/db/SomeTest.java)">
 +      <path id="all-test-classes-path">
 +          <fileset dir="${test.dir}/${test.classlistprefix}" includesfile="${test.classlistfile}"/>
 +      </path>
-       <property name="all-test-classes" refid="all-test-classes-path"/>
-       <testparallel testdelegate="testlist-system-keyspace-directory"/>
++      <property name="test.file.list" refid="all-test-classes-path"/>
++      <testlist-system-keyspace-directory test.file.list="${test.file.list}"/>
 +  </target>
 +
 +  <!-- Build a self-contained jar for e.g. remote execution; not currently used for running burn tests with this build script -->
 +  <target name="burn-test-jar" depends="build-test, build" description="Create dtest-compatible jar, including all dependencies">
 +      <jar jarfile="${build.dir}/burntest.jar">
 +          <zipgroupfileset dir="${build.lib}" includes="*.jar" excludes="META-INF/*.SF"/>
 +          <fileset dir="${build.classes.main}"/>
 +          <fileset dir="${test.classes}"/>
 +          <fileset dir="${test.conf}" excludes="logback*.xml"/>
 +          <fileset dir="${basedir}/conf" includes="logback*.xml"/>
 +          <zipgroupfileset dir="${build.dir.lib}/jars">
 +              <include name="junit*.jar"/>
 +          </zipgroupfileset>
 +      </jar>
 +  </target>
  
    <target name="dtest-jar" depends="build-test, build" description="Create dtest-compatible jar, including all dependencies">
        <jar jarfile="${build.dir}/dtest-${base.version}.jar">

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