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https://issues.apache.org/jira/browse/RATIS-884?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Lokesh Jain resolved RATIS-884.
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Fix Version/s: 0.6.0
Resolution: Fixed
> Failed UT: TestRaftLogMetrics.testRaftLogMetrics
> ------------------------------------------------
>
> Key: RATIS-884
> URL: https://issues.apache.org/jira/browse/RATIS-884
> Project: Ratis
> Issue Type: Sub-task
> Reporter: runzhiwang
> Assignee: runzhiwang
> Priority: Major
> Fix For: 0.6.0
>
> Attachments: screenshot-1.png, screenshot-2.png
>
> Time Spent: 1h 10m
> Remaining Estimate: 0h
>
> *What's the problem ?*
> !screenshot-1.png!
> *What's the reason ?*
> As the images shows, flushCount.incrementAndGet() happens in the 1st
> statement: stateMachine.flushStateMachineData(lastWrittenIndex),
> ratisMetricRegistry.get(RAFT_LOG_FLUSH_TIME) increase after the 2nd
> statement: timerContext.stop(). If the test
> Assert.assertEquals(expectedFlush, tm.getCount()) happens between 1st and 2nd
> statement, then the expectedFlush will be tm.getCount() + 1, so the test fail.
> !screenshot-2.png!
> *How to fix ?*
> Retry check expectedFlush == tm.getCount()
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