[jira] [Commented] (HDFS-17872) DiskBalancer: Plan command support with tolerancePercentage.

["ASF GitHub Bot (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HDFS-17872?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18083894#comment-18083894 ] 

ASF GitHub Bot commented on HDFS-17872:
---------------------------------------

deepujain commented on PR #8335:
URL: https://github.com/apache/hadoop/pull/8335#issuecomment-4556271090

   CI is green on the current head, and this one still has not had a human review. @Hexiaoqiao @ZanderXu, when you have a moment, could you please take a look? Happy to make any follow-up changes.




> DiskBalancer: Plan command support with tolerancePercentage.
> ------------------------------------------------------------
>
>                 Key: HDFS-17872
>                 URL: https://issues.apache.org/jira/browse/HDFS-17872
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>            Reporter: fuchaohong
>            Priority: Major
>              Labels: pull-request-available
>
> dfs.disk.balancer.block.tolerance.percent
> {code:java}
> The tolerance percent specifies when we have reached a good enough value for any copy step. For example, if you specify 10% then getting close to 10% of the target value is good enough.{code}
> Currently, only *{{maxDiskErrors}}* and *{{bandwidth}}* are passed in the plan, and it is expected that *{{tolerancePercentage}}* can also be propagated to the DataNode.



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