[KUDU-2665] BlockManagerStressTest.StressTest is extremely flaky

• Type: Bug
• Status: Resolved
• Priority: Blocker
• Resolution: Fixed
• Affects Version/s: 1.9.0
• Fix Version/s: 1.9.0
• Component/s: fs
• Assignee: LiFu He
• Reporter: Mike Percy
• Created: 22/Jan/19 22:11
• Updated: 02/Feb/19 18:49
• Resolved: 02/Feb/19 18:49

Description

After some recent block manager changes the Block Manager Stress Test is about 50% flaky on certain precommit builds. The failure looks like this:

/data/somelongdirectorytoavoidrpathissues/src/kudu/src/kudu/fs/block_manager-stress-test.cc:518: Failure
Failed
Bad status: Not found: /data/somelongdirectorytoavoidrpathissues/src/kudutest/block_manager-stress-test.0.BlockManagerStressTest_1.StressTest.1547778831841692-23619/data/e8ab31ef3e2143a5bc6d7a2b40e7805b.data: No such file or directory (error 2)
/data/somelongdirectorytoavoidrpathissues/src/kudu/src/kudu/fs/block_manager-stress-test.cc:549: Failure
Expected: this->InjectNonFatalInconsistencies() doesn't generate new fatal failures in the current thread.
 Actual: it does.