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Posted to issues@flink.apache.org by GitBox <gi...@apache.org> on 2020/01/18 02:28:54 UTC

[GitHub] [flink] klion26 opened a new pull request #10893: [FLINK-15637][state backends] Make RocksDB the default store for timers when using RocksDBStateBackend

klion26 opened a new pull request #10893: [FLINK-15637][state backends] Make RocksDB the default store for timers when using RocksDBStateBackend
URL: https://github.com/apache/flink/pull/10893
 
 
   ## What is the purpose of the change
   
   Make RocksDB the default store for timers when using `RocksDBStateBackend`.
   
   ## Verifying this change
   
   This change is already covered by existing tests, such as *(please describe tests)*.
   - RocksDBStateBackendConfigTest.java
   
   
   ## Does this pull request potentially affect one of the following parts:
   
     - Dependencies (does it add or upgrade a dependency): (no)
     - The public API, i.e., is any changed class annotated with `@Public(Evolving)`: (no)
     - The serializers: (no)
     - The runtime per-record code paths (performance sensitive): (no)
     - Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Yarn/Mesos, ZooKeeper: (no)
     - The S3 file system connector: (no)
   
   ## Documentation
   
     - Does this pull request introduce a new feature? (no)
     - If yes, how is the feature documented? (not applicable)
   

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[GitHub] [flink] carp84 commented on issue #10893: [FLINK-15637][state backends] Make RocksDB the default store for timers when using RocksDBStateBackend

Posted by GitBox <gi...@apache.org>.
carp84 commented on issue #10893: [FLINK-15637][state backends] Make RocksDB the default store for timers when using RocksDBStateBackend
URL: https://github.com/apache/flink/pull/10893#issuecomment-576536039
 
 
   Thanks for checking the performance impact @klion26.
   
   From the result we will have a (expected) 3-5% decline of the `RocksStateBackendBenchmark` on our codespeed center. @pnowojski JFYI.

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[GitHub] [flink] flinkbot edited a comment on issue #10893: [FLINK-15637][state backends] Make RocksDB the default store for timers when using RocksDBStateBackend

Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on issue #10893: [FLINK-15637][state backends] Make RocksDB the default store for timers when using RocksDBStateBackend
URL: https://github.com/apache/flink/pull/10893#issuecomment-575859797
 
 
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[GitHub] [flink] klion26 commented on issue #10893: [FLINK-15637][state backends] Make RocksDB the default store for timers when using RocksDBStateBackend

Posted by GitBox <gi...@apache.org>.
klion26 commented on issue #10893: [FLINK-15637][state backends] Make RocksDB the default store for timers when using RocksDBStateBackend
URL: https://github.com/apache/flink/pull/10893#issuecomment-575978822
 
 
   Azure CI failed because of irrelevant case, created [an issue](https://issues.apache.org/jira/browse/FLINK-15661) to track it.

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[GitHub] [flink] klion26 commented on issue #10893: [FLINK-15637][state backends] Make RocksDB the default store for timers when using RocksDBStateBackend

Posted by GitBox <gi...@apache.org>.
klion26 commented on issue #10893: [FLINK-15637][state backends] Make RocksDB the default store for timers when using RocksDBStateBackend
URL: https://github.com/apache/flink/pull/10893#issuecomment-575997482
 
 
   @carp84 thanks for the review. addressed the comments. run two end-to-end tests locally, from the memory dump, it runs as expected.
   The caller of `test_resume_savepoint.sh` has set the timer storage explicit, so I don't change them.

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[GitHub] [flink] carp84 commented on a change in pull request #10893: [FLINK-15637][state backends] Make RocksDB the default store for timers when using RocksDBStateBackend

Posted by GitBox <gi...@apache.org>.
carp84 commented on a change in pull request #10893: [FLINK-15637][state backends] Make RocksDB the default store for timers when using RocksDBStateBackend
URL: https://github.com/apache/flink/pull/10893#discussion_r368291470
 
 

 ##########
 File path: flink-end-to-end-tests/test-scripts/test_resume_savepoint.sh
 ##########
 @@ -47,7 +47,7 @@ ORIGINAL_DOP=$1
 NEW_DOP=$2
 STATE_BACKEND_TYPE=${3:-file}
 STATE_BACKEND_FILE_ASYNC=${4:-true}
-STATE_BACKEND_ROCKS_TIMER_SERVICE_TYPE=${5:-heap}
+STATE_BACKEND_ROCKS_TIMER_SERVICE_TYPE=${5:-rocks}
 
 Review comment:
   Changing the default here to rocks makes sense, while I'm not sure the impact to e2e test (many cases will use rocksdb timer instead). Could you also include e2e tests in travis run to make sure no surprise? Thanks.

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[GitHub] [flink] flinkbot edited a comment on issue #10893: [FLINK-15637][state backends] Make RocksDB the default store for timers when using RocksDBStateBackend

Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on issue #10893: [FLINK-15637][state backends] Make RocksDB the default store for timers when using RocksDBStateBackend
URL: https://github.com/apache/flink/pull/10893#issuecomment-575859797
 
 
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[GitHub] [flink] flinkbot edited a comment on issue #10893: [FLINK-15637][state backends] Make RocksDB the default store for timers when using RocksDBStateBackend

Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on issue #10893: [FLINK-15637][state backends] Make RocksDB the default store for timers when using RocksDBStateBackend
URL: https://github.com/apache/flink/pull/10893#issuecomment-575859797
 
 
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[GitHub] [flink] flinkbot edited a comment on issue #10893: [FLINK-15637][state backends] Make RocksDB the default store for timers when using RocksDBStateBackend

Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on issue #10893: [FLINK-15637][state backends] Make RocksDB the default store for timers when using RocksDBStateBackend
URL: https://github.com/apache/flink/pull/10893#issuecomment-575859797
 
 
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   ## CI report:
   
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[GitHub] [flink] StephanEwen commented on issue #10893: [FLINK-15637][state backends] Make RocksDB the default store for timers when using RocksDBStateBackend

Posted by GitBox <gi...@apache.org>.
StephanEwen commented on issue #10893: [FLINK-15637][state backends] Make RocksDB the default store for timers when using RocksDBStateBackend
URL: https://github.com/apache/flink/pull/10893#issuecomment-576165144
 
 
   Thank you for fixing this.
   
   Looks good to me, +1 to merge this...

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[GitHub] [flink] carp84 commented on issue #10893: [FLINK-15637][state backends] Make RocksDB the default store for timers when using RocksDBStateBackend

Posted by GitBox <gi...@apache.org>.
carp84 commented on issue #10893: [FLINK-15637][state backends] Make RocksDB the default store for timers when using RocksDBStateBackend
URL: https://github.com/apache/flink/pull/10893#issuecomment-576001726
 
 
   What's more, I could see there might be a performance impact for our micro benchmark. Could you run some test locally to check against the `RocksStateBackendBenchmark` and post the result here? @klion26  Thanks.

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[GitHub] [flink] flinkbot edited a comment on issue #10893: [FLINK-15637][state backends] Make RocksDB the default store for timers when using RocksDBStateBackend

Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on issue #10893: [FLINK-15637][state backends] Make RocksDB the default store for timers when using RocksDBStateBackend
URL: https://github.com/apache/flink/pull/10893#issuecomment-575859797
 
 
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[GitHub] [flink] flinkbot edited a comment on issue #10893: [FLINK-15637][state backends] Make RocksDB the default store for timers when using RocksDBStateBackend

Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on issue #10893: [FLINK-15637][state backends] Make RocksDB the default store for timers when using RocksDBStateBackend
URL: https://github.com/apache/flink/pull/10893#issuecomment-575859797
 
 
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[GitHub] [flink] klion26 commented on issue #10893: [FLINK-15637][state backends] Make RocksDB the default store for timers when using RocksDBStateBackend

Posted by GitBox <gi...@apache.org>.
klion26 commented on issue #10893: [FLINK-15637][state backends] Make RocksDB the default store for timers when using RocksDBStateBackend
URL: https://github.com/apache/flink/pull/10893#issuecomment-575969969
 
 
   rebase the master to sync some doc generation.

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[GitHub] [flink] carp84 commented on a change in pull request #10893: [FLINK-15637][state backends] Make RocksDB the default store for timers when using RocksDBStateBackend

Posted by GitBox <gi...@apache.org>.
carp84 commented on a change in pull request #10893: [FLINK-15637][state backends] Make RocksDB the default store for timers when using RocksDBStateBackend
URL: https://github.com/apache/flink/pull/10893#discussion_r368504806
 
 

 ##########
 File path: flink-end-to-end-tests/test-scripts/test_resume_savepoint.sh
 ##########
 @@ -47,7 +47,7 @@ ORIGINAL_DOP=$1
 NEW_DOP=$2
 STATE_BACKEND_TYPE=${3:-file}
 STATE_BACKEND_FILE_ASYNC=${4:-true}
-STATE_BACKEND_ROCKS_TIMER_SERVICE_TYPE=${5:-heap}
+STATE_BACKEND_ROCKS_TIMER_SERVICE_TYPE=${5:-rocks}
 
 Review comment:
   The [result](https://travis-ci.com/flink-ci/flink/builds/145155686) of the e2e test verification (#10905) looks good

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[GitHub] [flink] flinkbot edited a comment on issue #10893: [FLINK-15637][state backends] Make RocksDB the default store for timers when using RocksDBStateBackend

Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on issue #10893: [FLINK-15637][state backends] Make RocksDB the default store for timers when using RocksDBStateBackend
URL: https://github.com/apache/flink/pull/10893#issuecomment-575859797
 
 
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[GitHub] [flink] carp84 merged pull request #10893: [FLINK-15637][state backends] Make RocksDB the default store for timers when using RocksDBStateBackend

Posted by GitBox <gi...@apache.org>.
carp84 merged pull request #10893: [FLINK-15637][state backends] Make RocksDB the default store for timers when using RocksDBStateBackend
URL: https://github.com/apache/flink/pull/10893
 
 
   

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[GitHub] [flink] flinkbot edited a comment on issue #10893: [FLINK-15637][state backends] Make RocksDB the default store for timers when using RocksDBStateBackend

Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on issue #10893: [FLINK-15637][state backends] Make RocksDB the default store for timers when using RocksDBStateBackend
URL: https://github.com/apache/flink/pull/10893#issuecomment-575859797
 
 
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[GitHub] [flink] flinkbot edited a comment on issue #10893: [FLINK-15637][state backends] Make RocksDB the default store for timers when using RocksDBStateBackend

Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on issue #10893: [FLINK-15637][state backends] Make RocksDB the default store for timers when using RocksDBStateBackend
URL: https://github.com/apache/flink/pull/10893#issuecomment-575859797
 
 
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[GitHub] [flink] flinkbot edited a comment on issue #10893: [FLINK-15637][state backends] Make RocksDB the default store for timers when using RocksDBStateBackend

Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on issue #10893: [FLINK-15637][state backends] Make RocksDB the default store for timers when using RocksDBStateBackend
URL: https://github.com/apache/flink/pull/10893#issuecomment-575859797
 
 
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[GitHub] [flink] klion26 commented on issue #10893: [FLINK-15637][state backends] Make RocksDB the default store for timers when using RocksDBStateBackend

Posted by GitBox <gi...@apache.org>.
klion26 commented on issue #10893: [FLINK-15637][state backends] Make RocksDB the default store for timers when using RocksDBStateBackend
URL: https://github.com/apache/flink/pull/10893#issuecomment-576238885
 
 
   Copied the benchmark result here
   Before applying this change
   ```
   Benchmark                                 (stateBackend)   Mode  Cnt    Score   Error   Units
   RocksStateBackendBenchmark.stateBackends           ROCKS  thrpt   30  203.893 ± 1.580  ops/ms
   RocksStateBackendBenchmark.stateBackends       ROCKS_INC  thrpt   30  201.896 ± 5.179  ops/ms
   ```
   After applying this change
   ```
   Benchmark                                 (stateBackend)   Mode  Cnt    Score   Error   Units
   RocksStateBackendBenchmark.stateBackends           ROCKS  thrpt   30  194.382 ± 2.256  ops/ms
   RocksStateBackendBenchmark.stateBackends       ROCKS_INC  thrpt   30  195.912 ± 2.151  ops/ms
   ```
   

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[GitHub] [flink] flinkbot edited a comment on issue #10893: [FLINK-15637][state backends] Make RocksDB the default store for timers when using RocksDBStateBackend

Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on issue #10893: [FLINK-15637][state backends] Make RocksDB the default store for timers when using RocksDBStateBackend
URL: https://github.com/apache/flink/pull/10893#issuecomment-575859797
 
 
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[GitHub] [flink] flinkbot commented on issue #10893: [FLINK-15637][state backends] Make RocksDB the default store for timers when using RocksDBStateBackend

Posted by GitBox <gi...@apache.org>.
flinkbot commented on issue #10893: [FLINK-15637][state backends] Make RocksDB the default store for timers when using RocksDBStateBackend
URL: https://github.com/apache/flink/pull/10893#issuecomment-575859797
 
 
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[GitHub] [flink] flinkbot edited a comment on issue #10893: [FLINK-15637][state backends] Make RocksDB the default store for timers when using RocksDBStateBackend

Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on issue #10893: [FLINK-15637][state backends] Make RocksDB the default store for timers when using RocksDBStateBackend
URL: https://github.com/apache/flink/pull/10893#issuecomment-575859797
 
 
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[GitHub] [flink] flinkbot edited a comment on issue #10893: [FLINK-15637][state backends] Make RocksDB the default store for timers when using RocksDBStateBackend

Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on issue #10893: [FLINK-15637][state backends] Make RocksDB the default store for timers when using RocksDBStateBackend
URL: https://github.com/apache/flink/pull/10893#issuecomment-575859797
 
 
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   ## CI report:
   
   * 2a07b12e4f943499075f42960fc84dd445df6f3c Travis: [FAILURE](https://travis-ci.com/flink-ci/flink/builds/145041173) Azure: [FAILURE](https://dev.azure.com/rmetzger/5bd3ef0a-4359-41af-abca-811b04098d2e/_build/results?buildId=4454) 
   * d644b42865da92de5b84b807f373f53adbd7945b UNKNOWN
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[GitHub] [flink] flinkbot commented on issue #10893: [FLINK-15637][state backends] Make RocksDB the default store for timers when using RocksDBStateBackend

Posted by GitBox <gi...@apache.org>.
flinkbot commented on issue #10893: [FLINK-15637][state backends] Make RocksDB the default store for timers when using RocksDBStateBackend
URL: https://github.com/apache/flink/pull/10893#issuecomment-575858109
 
 
   Thanks a lot for your contribution to the Apache Flink project. I'm the @flinkbot. I help the community
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   ## Automated Checks
   Last check on commit 2a07b12e4f943499075f42960fc84dd445df6f3c (Sat Jan 18 02:32:30 UTC 2020)
   
   **Warnings:**
    * **This pull request references an unassigned [Jira ticket](https://issues.apache.org/jira/browse/FLINK-15637).** According to the [code contribution guide](https://flink.apache.org/contributing/contribute-code.html), tickets need to be assigned before starting with the implementation work.
   
   
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