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https://issues.apache.org/jira/browse/KUDU-2925?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Grant Henke updated KUDU-2925:
------------------------------
Issue Type: Bug (was: Improvement)
> ToolTest.TestLoadgenZeroRowsPerThread didn't write to the WAL in time
> ---------------------------------------------------------------------
>
> Key: KUDU-2925
> URL: https://issues.apache.org/jira/browse/KUDU-2925
> Project: Kudu
> Issue Type: Bug
> Components: consensus, log, test
> Affects Versions: 1.11.0
> Reporter: Andrew Wong
> Priority: Major
> Attachments: kudu-tool-test.3.txt.gz
>
>
> I saw a run of ToolTest.TestLoadgenZeroRowsPerThread that failed because
> writing to the WAL took 90s. It's not clear why, or whether this was due to
> hardware issues or a deadlock somewhere.
>
> {code:java}
> I0819 03:23:52.093103 7689 catalog_manager.cc:3471] Sending
> DeleteTablet(TABLET_DATA_DELETED) for tablet 1591b2416d5640d4a1f089ed959128c8
> on a3a91c5fde7c49bcb22a8c908d76d428 (127.7.112.193:32983) (Table deleted at
> 2019-08-19 03:21:51 UTC)
> W0819 03:23:52.271399 7684 debug-util.cc:397] Leaking SignalData structure
> 0x1fdb4e0 after lost signal to thread 7985
> W0819 03:23:52.271497 7684 kernel_stack_watchdog.cc:198] Thread 7985 stuck
> at
> /data/somelongdirectorytoavoidrpathissues/src/kudu/src/kudu/consensus/log.cc:671
> for 89430ms:
> Kernel stack:
> (could not read kernel stack)
> User stack:
> <Timed out: thread did not respond: maybe it is blocking signals>
> W0819 03:23:52.378173 7985 log.cc:669] Time spent T
> 00000000000000000000000000000000 P ce4f88cf8a264e82852c46587c4dce11: Append
> to log took a long time: real 90.538s user 0.000s sys 0.000s
> I0819 03:23:52.389586 7619 external_mini_cluster.cc:1136] Killing
> /tmp/dist-test-taskfg0lzN/build/debug/bin/kudu-master with pid 7680
> I0819 03:23:52.394946 7619 test_util.cc:135]
> -----------------------------------------------
> I0819 03:23:52.395031 7619 test_util.cc:136] Had fatal failures, leaving
> test files at
> /tmp/dist-test-taskfg0lzN/test-tmp/kudu-tool-test.3.ToolTest.TestLoadgenZeroRowsPerThread.1566184909971373-7619
> [ FAILED ] ToolTest.TestLoadgenZeroRowsPerThread (121696 ms)
> {code}
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