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Posted to issues@kudu.apache.org by "Alexey Serbin (Jira)" <ji...@apache.org> on 2022/04/08 21:23:00 UTC

[jira] [Commented] (KUDU-2974) Make the rebalancer honor dimension-based replica placement

    [ https://issues.apache.org/jira/browse/KUDU-2974?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17519806#comment-17519806 ] 

Alexey Serbin commented on KUDU-2974:
-------------------------------------

The [range-aware rebalancing has been implemented|https://github.com/apache/kudu/commit/01ca8c3f2bb38bc8b738d86d3d88aa8d1ffaad87] in the {{kudu cluster rebalance}} CLI tool.  That can be used as a step to make the CLI tool to take into account the dimension labels while rebalancing.

From the other side, once the rebalancer has become range-aware, there isn't much sense in using dimension labels.  I'm closing this JIRA item for now: feel free to re-open if dimension-based rebalancing is needed.

> Make the rebalancer honor dimension-based replica placement
> -----------------------------------------------------------
>
>                 Key: KUDU-2974
>                 URL: https://issues.apache.org/jira/browse/KUDU-2974
>             Project: Kudu
>          Issue Type: Improvement
>            Reporter: Alexey Serbin
>            Priority: Major
>              Labels: operability
>
> Once KUDU-2823 has been implemented, it's now possible to place tablet replicas based on dimension.  However, the rebalancer doesn't honor that yet.  It's necessary to amend the rebalancer to take the dimension-related placements into account.



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