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https://issues.apache.org/jira/browse/HDFS-6036?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Colin Patrick McCabe updated HDFS-6036:
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Attachment: HDFS-6036.001.patch
This patch implements revocation of mlocked areas after enough time has
elapsed. Now a misbehaving client can no longer block the munlock indefinitely.
I added a new test, TestFsDatasetCacheRevocation. It uses a somewhat different
configuration from the other tests, so it needed to be separate (the others
have a fixed config set up in the Before sections).
> Forcibly timeout misbehaving DFSClients that try to do no-checksum reads that
> extend too long
> ---------------------------------------------------------------------------------------------
>
> Key: HDFS-6036
> URL: https://issues.apache.org/jira/browse/HDFS-6036
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: caching, datanode
> Affects Versions: 2.5.0
> Reporter: Colin Patrick McCabe
> Assignee: Colin Patrick McCabe
> Attachments: HDFS-6036.001.patch
>
>
> We should forcibly timeout misbehaving DFSClients that try to do no-checksum
> reads that extend too long.
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