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https://issues.apache.org/jira/browse/KUDU-3591?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Alexey Serbin updated KUDU-3591:
--------------------------------
    Description: 
The fuzz test scenario FsManagerTestBase.TestAddRemoveDataDirsFuzz from time to 
time fails when run with the RocksDB option.  I'm not sure whether the failure 
is just due to very long runtime, or something has stuck -- that's to be 
triaged.   Below are a few lines from the log: they came just before the dump 
of the threads' stacks.  The test was declared as failed because of exceeding 
the maximum unit test's run time.  The full log is attached.

{noformat}
W20240713 01:16:21.454174 31297 fs_manager.cc:538] unable to create missing 
filesystem roots: Already present: FSManager roots already exist: 
/tmp/dist-test-taskLd2saP/test-tmp/fs_manager-test.0.BlockManagerTypes_FsManagerTestBase.TestAddRemoveDataDirsFuzz_7.1720832511594434-31297-0/new_data_849
W20240713 01:16:21.635000 31297 dir_manager.cc:228] Invalid argument: could not 
initialize 
/tmp/dist-test-taskLd2saP/test-tmp/fs_manager-test.0.BlockManagerTypes_FsManagerTestBase.TestAddRemoveDataDirsFuzz_7.1720832511594434-31297-0/new_data_654/data:
 open RocksDB failed, path: 
/tmp/dist-test-taskLd2saP/test-tmp/fs_manager-test.0.BlockManagerTypes_FsManagerTestBase.TestAddRemoveDataDirsFuzz_7.1720832511594434-31297-0/new_data_654/data/rdb:
 Invalid argument: 
/tmp/dist-test-taskLd2saP/test-tmp/fs_manager-test.0.BlockManagerTypes_FsManagerTestBase.TestAddRemoveDataDirsFuzz_7.1720832511594434-31297-0/new_data_654/data/rdb/CURRENT:
 does not exist (create_if_missing is false)
...
F20240713 01:16:37.134395 31300 test_main.cc:63] Maximum unit test time 
exceeded (870 sec)
{noformat}

  was:
The fuzz test scenario FsManagerTestBase.TestAddRemoveDataDirsFuzz from time to 
time fails when run with the RocksDB option.  I'm not sure whether the failure 
is just due to very long runtime, or something has stuck -- that's to be 
triaged.   A few lines before the failure is declared due to long run-time are 
below, and the full log is attached.

{noformat}
W20240713 01:16:21.454174 31297 fs_manager.cc:538] unable to create missing 
filesystem roots: Already present: FSManager roots already exist: 
/tmp/dist-test-taskLd2saP/test-tmp/fs_manager-test.0.BlockManagerTypes_FsManagerTestBase.TestAddRemoveDataDirsFuzz_7.1720832511594434-31297-0/new_data_849
W20240713 01:16:21.635000 31297 dir_manager.cc:228] Invalid argument: could not 
initialize 
/tmp/dist-test-taskLd2saP/test-tmp/fs_manager-test.0.BlockManagerTypes_FsManagerTestBase.TestAddRemoveDataDirsFuzz_7.1720832511594434-31297-0/new_data_654/data:
 open RocksDB failed, path: 
/tmp/dist-test-taskLd2saP/test-tmp/fs_manager-test.0.BlockManagerTypes_FsManagerTestBase.TestAddRemoveDataDirsFuzz_7.1720832511594434-31297-0/new_data_654/data/rdb:
 Invalid argument: 
/tmp/dist-test-taskLd2saP/test-tmp/fs_manager-test.0.BlockManagerTypes_FsManagerTestBase.TestAddRemoveDataDirsFuzz_7.1720832511594434-31297-0/new_data_654/data/rdb/CURRENT:
 does not exist (create_if_missing is false)
{noformat}


> FsManagerTestBase.TestAddRemoveDataDirsFuzz fails from time to time with 
> RocksDB
> --------------------------------------------------------------------------------
>
>                 Key: KUDU-3591
>                 URL: https://issues.apache.org/jira/browse/KUDU-3591
>             Project: Kudu
>          Issue Type: Bug
>          Components: fs, test
>            Reporter: Alexey Serbin
>            Priority: Major
>         Attachments: fs_manager-test.txt.xz
>
>
> The fuzz test scenario FsManagerTestBase.TestAddRemoveDataDirsFuzz from time 
> to time fails when run with the RocksDB option.  I'm not sure whether the 
> failure is just due to very long runtime, or something has stuck -- that's to 
> be triaged.   Below are a few lines from the log: they came just before the 
> dump of the threads' stacks.  The test was declared as failed because of 
> exceeding the maximum unit test's run time.  The full log is attached.
> {noformat}
> W20240713 01:16:21.454174 31297 fs_manager.cc:538] unable to create missing 
> filesystem roots: Already present: FSManager roots already exist: 
> /tmp/dist-test-taskLd2saP/test-tmp/fs_manager-test.0.BlockManagerTypes_FsManagerTestBase.TestAddRemoveDataDirsFuzz_7.1720832511594434-31297-0/new_data_849
> W20240713 01:16:21.635000 31297 dir_manager.cc:228] Invalid argument: could 
> not initialize 
> /tmp/dist-test-taskLd2saP/test-tmp/fs_manager-test.0.BlockManagerTypes_FsManagerTestBase.TestAddRemoveDataDirsFuzz_7.1720832511594434-31297-0/new_data_654/data:
>  open RocksDB failed, path: 
> /tmp/dist-test-taskLd2saP/test-tmp/fs_manager-test.0.BlockManagerTypes_FsManagerTestBase.TestAddRemoveDataDirsFuzz_7.1720832511594434-31297-0/new_data_654/data/rdb:
>  Invalid argument: 
> /tmp/dist-test-taskLd2saP/test-tmp/fs_manager-test.0.BlockManagerTypes_FsManagerTestBase.TestAddRemoveDataDirsFuzz_7.1720832511594434-31297-0/new_data_654/data/rdb/CURRENT:
>  does not exist (create_if_missing is false)
> ...
> F20240713 01:16:37.134395 31300 test_main.cc:63] Maximum unit test time 
> exceeded (870 sec)
> {noformat}



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