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https://issues.apache.org/jira/browse/HDFS-3816?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13438061#comment-13438061
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Aaron T. Myers commented on HDFS-3816:
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Good find, Jing.
One suggestion: perhaps in DFSUtil#getInvalidateWorkPctPerIteration we should
also check that the configured value of this config is not greater than 1.0f?
If I'm reading the code correctly, it doesn't make any sense to set this value
to anything outside of the range 0.0f-1.0f. Jing, if you agree with this, mind
filing another JIRA? I'd be happy to review it if you post a patch. If not,
I'll take care of it.
Also, Suresh, did you commit this to branch-2.1.0-alpha as well as branch-2? If
not, I believe the fix version should be set to 2.2.0-alpha. Do you agree?
> Invalidate work percentage default value should be 0.32f instead of 32
> ----------------------------------------------------------------------
>
> Key: HDFS-3816
> URL: https://issues.apache.org/jira/browse/HDFS-3816
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: name-node
> Affects Versions: 2.1.0-alpha, 3.0.0
> Reporter: Jing Zhao
> Assignee: Jing Zhao
> Fix For: 2.1.0-alpha, 3.0.0
>
> Attachments: HDFS-3816.patch, HDFS-3816.patch
>
>
> HDFS-3475 used
> blocksInvalidateWorkPct/DFS_NAMENODE_INVALIDATE_WORK_PCT_PER_ITERATION_DEFAULT
> as a percentage float number. Thus
> DFS_NAMENODE_INVALIDATE_WORK_PCT_PER_ITERATION_DEFAULT should be defined as a
> float number with value 0.32f.
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