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https://issues.apache.org/jira/browse/HDFS-12940?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16321255#comment-16321255
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Xiaoyu Yao commented on HDFS-12940:
-----------------------------------
The patch v2 contains the fix for HDFS-13007. We may fix these two unit tests
failure together since they are both in TestKeySpaceManager.
> Ozone: KSM: TestKeySpaceManager#testExpiredOpenKey fails occasionally
> ---------------------------------------------------------------------
>
> Key: HDFS-12940
> URL: https://issues.apache.org/jira/browse/HDFS-12940
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: Nanda kumar
> Assignee: Nanda kumar
> Attachments: HDFS-12940-HDFS-7240.000.patch,
> HDFS-12940-HDFS-7240.001.patch, HDFS-12940-HDFS-7240.002.patch
>
>
> {{TestKeySpaceManager#testExpiredOpenKey}} is flaky.
> In {{testExpiredOpenKey}} we are opening four keys for writing and wait for
> them to expire (without committing). Verification/Assertion is done by
> querying {{MiniOzoneCluster}} and matching the count. Since the {{cluster}}
> instance of {{MiniOzoneCluster}} is shared between test-cases in
> {{TestKeySpaceManager}}, we should not rely on the count. The verification
> should only happen by matching the keyNames and not with the count.
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