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From Íñigo Goiri (JIRA) <j...@apache.org>
Subject [jira] [Commented] (HDFS-13188) Disk Balancer: Support multiple block pools during block move
Date Tue, 27 Feb 2018 00:22:00 GMT

    [ https://issues.apache.org/jira/browse/HDFS-13188?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16377827#comment-16377827

Íñigo Goiri commented on HDFS-13188:

bq. Just want to ask, we have line limit length to 80, is there any requirement that if it
is less than 80, we should fit it in a single line?

No requirement but I personally think it's good practice to keep the code as clean as possible.
Obviously there are plenty of exceptions and Yetus doesn't even mark it as checkstyle warning.

The unit tests are good in my opinion; I'll wait for Yetus just in case.
+1 on  [^HDFS-13188.05.patch].
If nobody has issues I'll commit this.

> Disk Balancer: Support multiple block pools during block move
> -------------------------------------------------------------
>                 Key: HDFS-13188
>                 URL: https://issues.apache.org/jira/browse/HDFS-13188
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: diskbalancer
>            Reporter: Bharat Viswanadham
>            Assignee: Bharat Viswanadham
>            Priority: Major
>         Attachments: HDFS-13188.01.patch, HDFS-13188.02.patch, HDFS-13188.03.patch, HDFS-13188.04.patch,
> During execute plan:
> *Federated setup:*
> When multiple block pools are there, it will only copy from blocks from first block pool
to destination disk, when balancing.
> We want to distribute the blocks from all block pools on source disk to destination
disk during balancing.

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