[jira] [Created] (IMPALA-6331) slow s3 operations in unit tests

["Vuk Ercegovac (JIRA)" <ji...@apache.org>]

Vuk Ercegovac created IMPALA-6331:
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             Summary: slow s3 operations in unit tests
                 Key: IMPALA-6331
                 URL: https://issues.apache.org/jira/browse/IMPALA-6331
             Project: IMPALA
          Issue Type: Bug
          Components: Backend, Infrastructure, Perf Investigation
    Affects Versions: Impala 2.10.0
            Reporter: Vuk Ercegovac


Seeing some slowness for certain fs tests when run against S3. Since they in the hour range, I think its useful to track it down and distinguish between a test infrastructure issue vs. an impala/s3 issue.
Here are logs from a recent run (note the time gaps in the log entries):

20:07:37 query_test/test_hdfs_file_mods.py::TestHdfsFileMods::test_file_modifications[modification_type: move_file | exec_option: {'batch_size': 0, 'num_nodes': 0, 'disable_codegen_rows_threshold': 0, 'disable_codegen': False, 'abort_on_error': 1, 'exec_single_node_rows_threshold': 0} | table_format: text/none] PASSED
20:08:19 query_test/test_hdfs_file_mods.py::TestHdfsFileMods::test_file_modifications[modification_type: append | exec_option: {'batch_size': 0, 'num_nodes': 0, 'disable_codegen_rows_threshold': 0, 'disable_codegen': False, 'abort_on_error': 1, 'exec_single_node_rows_threshold': 0} | table_format: text/none] PASSED
22:59:55 query_test/test_insert.py::TestInsertQueries::test_insert[exec_option: {'sync_ddl': 0, 'batch_size': 0, 'num_nodes': 0, 'disable_codegen_rows_threshold': 0, 'disable_codegen': True, 'abort_on_error': 1, 'exec_single_node_rows_threshold': 0} | table_format: text/none] PASSED
03:40:11 query_test/test_insert.py::TestInsertQueries::test_insert[exec_option: {'sync_ddl': 0, 'batch_size': 0, 'num_nodes': 0, 'disable_codegen_rows_threshold': 0, 'disable_codegen': False, 'abort_on_error': 1, 'exec_single_node_rows_threshold': 0} | table_format: text/none] PASSED
03:41:12 query_test/test_insert.py::TestInsertQueries::test_insert_overwrite[exec_option: {'sync_ddl': 0, 'batch_size': 0, 'num_nodes': 0, 'disable_codegen_rows_threshold': 0, 'disable_codegen': True, 'abort_on_error': 1, 'exec_single_node_rows_threshold': 0} | table_format: text/none] PASSED

There are several other tests that take in the 10 minute to minute range. Highlighting above the longest ones (> hour).




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