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Posted to hdfs-issues@hadoop.apache.org by "Ayush Saxena (Jira)" <ji...@apache.org> on 2021/10/22 02:46:00 UTC
[jira] [Commented] (HDFS-16277) Improve decision in
AvailableSpaceBlockPlacementPolicy
[ https://issues.apache.org/jira/browse/HDFS-16277?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17432774#comment-17432774 ]
Ayush Saxena commented on HDFS-16277:
-------------------------------------
Committed to trunk and branch-3.3.
Have added [~philipse] as HDFS Contributor and assigned the jira.
Thanx [~philipse] for the contribution and welcome to Hadoop. :)
> Improve decision in AvailableSpaceBlockPlacementPolicy
> ------------------------------------------------------
>
> Key: HDFS-16277
> URL: https://issues.apache.org/jira/browse/HDFS-16277
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: block placement
> Affects Versions: 3.3.1
> Reporter: guo
> Assignee: guo
> Priority: Major
> Labels: pull-request-available
> Time Spent: 5h 10m
> Remaining Estimate: 0h
>
> Hi
> In product environment,we may meet two or more datanode usage reaches nealy 100%,for exampe 99.99%,98%,97%.
> if we configure `AvailableSpaceBlockPlacementPolicy` , we also have the chance to choose the 99.99%(assume it is the highest usage),for we treat the two choosen datanode as the same usage if their storage usage are different within 5%.
> but this is not what we want, so i suggest we can improve the decision.
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