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Posted to issues@kudu.apache.org by "Yingchun Lai (JIRA)" <ji...@apache.org> on 2019/07/22 09:56:00 UTC

[jira] [Commented] (KUDU-2901) Load balance on tserver

    [ https://issues.apache.org/jira/browse/KUDU-2901?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16890046#comment-16890046 ] 

Yingchun Lai commented on KUDU-2901:
------------------------------------

How about consider free space percentage of data directories when assign new tablet?

> Load balance on tserver
> -----------------------
>
>                 Key: KUDU-2901
>                 URL: https://issues.apache.org/jira/browse/KUDU-2901
>             Project: Kudu
>          Issue Type: Improvement
>          Components: fs, tserver
>            Reporter: Yingchun Lai
>            Priority: Minor
>
> On a single tserver, new tablet assignment is base on current assigned tablet count on a data directory, then chose the one which has the least tablet count.
> In the real world, a cluster may have many tables, and each tablet may have different sizes. Large tablets have chance to be assigned to the same directory, this state is not balanced.



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