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https://issues.apache.org/jira/browse/HDFS-16198?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Eungsop Yoo updated HDFS-16198:
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Attachment: screenshot-1.png
> Short circuit read leaks Slot objects when InvalidToken exception is thrown
> ---------------------------------------------------------------------------
>
> Key: HDFS-16198
> URL: https://issues.apache.org/jira/browse/HDFS-16198
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Eungsop Yoo
> Priority: Major
> Attachments: screenshot-1.png
>
>
> In secure mode, 'dfs.block.access.token.enable' should be set 'true'. With
> this configuration SecretManager.InvalidToken exception may be thrown if the
> access token expires when we do short circuit reads. It doesn't matter
> because the failed reads will be retried. But it causes the leakage of
> ShortCircuitShm.Slot objects. We found this problem in our secure HBase
> clusters.
> The fix is trivial. Just free the slot when InvalidToken exception is thrown.
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