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From "Yi Liu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-6783) Fix HDFS CacheReplicationMonitor rescan logic
Date Thu, 14 Aug 2014 04:54:12 GMT

    [ https://issues.apache.org/jira/browse/HDFS-6783?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14096565#comment-14096565
] 

Yi Liu commented on HDFS-6783:
------------------------------

Thanks [~cmccabe], [~andrew.wang] and [~umamaheswararao].

Uma, forgot to tell you, this JIRA should credit [~cmccabe], let's add his name in the svn
log next time when we commit other JIRAs, thanks.

> Fix HDFS CacheReplicationMonitor rescan logic
> ---------------------------------------------
>
>                 Key: HDFS-6783
>                 URL: https://issues.apache.org/jira/browse/HDFS-6783
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: caching
>    Affects Versions: 3.0.0
>            Reporter: Yi Liu
>            Assignee: Yi Liu
>             Fix For: 3.0.0, 2.6.0
>
>         Attachments: HDFS-6783.001.patch, HDFS-6783.002.patch, HDFS-6783.003.patch, HDFS-6783.004.patch,
HDFS-6783.005.patch, HDFS-6783.006.patch
>
>
> In monitor thread, needsRescan is set to false before real scan starts, so 
> for {{waitForRescanIfNeeded}} will return for the first condition:
> {code}
> if (!needsRescan) {
>   return;
> }
> {code}



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