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https://issues.apache.org/jira/browse/HDFS-4830?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13667104#comment-13667104
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Suresh Srinivas commented on HDFS-4830:
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CHANGES.txt in branch-2 is missing this jira. I have added it.
> Typo in config settings for AvailableSpaceVolumeChoosingPolicy in
> hdfs-default.xml
> ----------------------------------------------------------------------------------
>
> Key: HDFS-4830
> URL: https://issues.apache.org/jira/browse/HDFS-4830
> Project: Hadoop HDFS
> Issue Type: Bug
> Affects Versions: 2.0.5-beta
> Reporter: Aaron T. Myers
> Assignee: Aaron T. Myers
> Priority: Minor
> Fix For: 2.0.5-beta
>
> Attachments: HDFS-4830.patch, HDFS-4830.patch
>
>
> In hdfs-default.xml we have these two settings:
> {noformat}
> dfs.datanode.fsdataset.volume.choosing.balanced-space-threshold
> dfs.datanode.fsdataset.volume.choosing.balanced-space-preference-percent
> {noformat}
> But in fact they should be these, from DFSConfigKeys.java:
> {noformat}
> dfs.datanode.available-space-volume-choosing-policy.balanced-space-threshold
> dfs.datanode.available-space-volume-choosing-policy.balanced-space-preference-percent
> {noformat}
> This won't actually affect any functionality, since default values are used
> in the code anyway, but makes the documentation generated from
> hdfs-default.xml inaccurate.
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