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https://issues.apache.org/jira/browse/HDFS-5400?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13801385#comment-13801385
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Andrew Wang commented on HDFS-5400:
-----------------------------------
+1
> DFS_CLIENT_MMAP_CACHE_THREAD_RUNS_PER_TIMEOUT constant is set to the wrong
> value
> --------------------------------------------------------------------------------
>
> Key: HDFS-5400
> URL: https://issues.apache.org/jira/browse/HDFS-5400
> Project: Hadoop HDFS
> Issue Type: Bug
> Affects Versions: 2.2.1
> Reporter: Colin Patrick McCabe
> Assignee: Colin Patrick McCabe
> Attachments: HDFS-5400.001.patch
>
>
> {{DFS_CLIENT_MMAP_CACHE_THREAD_RUNS_PER_TIMEOUT}} is set to the wrong value.
> It should be set to {{dfs.client.mmap.cache.thread.runs.per.timeout}}, but
> instead it is set to {{dfs.client.mmap.cache.timeout.ms}}. The result is
> that mmap segments cached in the {{ClientMmapManager}} will take much longer
> to timeout than they should.
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