[jira] [Commented] (HBASE-26337) Optimization for weighted random generators

["Duo Zhang (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HBASE-26337?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17440827#comment-17440827 ] 

Duo Zhang commented on HBASE-26337:
-----------------------------------

[~claraxiong] Please open a PR for branch-2? The patch for master can not be applied to branch-2 cleanly, mainly because of UTs...

Thanks.

> Optimization for weighted random generators
> -------------------------------------------
>
>                 Key: HBASE-26337
>                 URL: https://issues.apache.org/jira/browse/HBASE-26337
>             Project: HBase
>          Issue Type: Improvement
>          Components: Balancer
>            Reporter: Clara Xiong
>            Assignee: Clara Xiong
>            Priority: Major
>
> Currently we use four move candidate generators and pick one randomly for every move with even probability, all with optimization associated with a certain group of cost functions. We can assign weight for the random picking of generators based on balancing pressure on each group. 



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