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https://issues.apache.org/jira/browse/HDFS-10782?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15434756#comment-15434756
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Hadoop QA commented on HDFS-10782:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m
0s{color} | {color:blue} Docker mode activated. {color} |
| {color:red}-1{color} | {color:red} patch {color} | {color:red} 0m 10s{color}
| {color:red} HDFS-10782 does not apply to branch-2. Rebase required? Wrong
Branch? See https://wiki.apache.org/hadoop/HowToContribute for help. {color} |
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|| Subsystem || Report/Notes ||
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12825240/HDFS-10782-branch-2.001.patch
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| JIRA Issue | HDFS-10782 |
| Console output |
https://builds.apache.org/job/PreCommit-HDFS-Build/16524/console |
| Powered by | Apache Yetus 0.4.0-SNAPSHOT http://yetus.apache.org |
This message was automatically generated.
> Decrease memory frequent exchange of Centralized Cache Management when run
> balancer
> -----------------------------------------------------------------------------------
>
> Key: HDFS-10782
> URL: https://issues.apache.org/jira/browse/HDFS-10782
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: balancer & mover, caching
> Affects Versions: 2.7.1
> Reporter: He Xiaoqiao
> Labels: patch
> Attachments: HDFS-10782-branch-2.001.patch
>
>
> CachedBlocks currently are transparent for Balancer when active feature of
> centralized cache management. This makes DataNode exchange memory frequently,
> because Balancer does not Distinguish CachedBlock from blocks, so it may
> trigger mount of cached/uncached ops.
> I think namenode should avoid return CacheBlocks as much as possible when
> Balanacer#getblocks.
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