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Posted to issues@hbase.apache.org by "Thiruvel Thirumoolan (JIRA)" <ji...@apache.org> on 2016/10/27 23:30:59 UTC

[jira] [Commented] (HBASE-15531) Favored Nodes Enhancements

    [ https://issues.apache.org/jira/browse/HBASE-15531?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15613652#comment-15613652 ] 

Thiruvel Thirumoolan commented on HBASE-15531:
----------------------------------------------

As part of these enhancements, we are planning to remove the following classes since no-one is using favored nodes.

1. FavoredNodeLoadBalancer. FavoredNodeLoadBalancer will be replaced by FavoredStochasticLoadBalancer with additional pickers and a RSGroup based equivalent.

2. RegionPlacementMaintainer (RPM) - This is currently large, will replace this with smaller tools.

> Favored Nodes Enhancements
> --------------------------
>
>                 Key: HBASE-15531
>                 URL: https://issues.apache.org/jira/browse/HBASE-15531
>             Project: HBase
>          Issue Type: Umbrella
>            Reporter: Francis Liu
>            Assignee: Francis Liu
>
> We been working on enhancing favored nodes at Yahoo!  See draft document. Feel free to comment. I'll add more info.
> https://docs.google.com/document/d/1948RKX_-kGUNOHjiYFiKPZnmKWybJkahJYsNibVhcCk/edit?usp=sharing
> These enhancements have recently started running in production.



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