You are viewing a plain text version of this content. The canonical link for it is here.

Posted to dev@hbase.apache.org by "Duo Zhang (Jira)" <ji...@apache.org> on 2021/09/28 15:45:00 UTC

[jira] [Resolved] (HBASE-26293) Use reservoir sampling when selecting bootstrap nodes

     [ https://issues.apache.org/jira/browse/HBASE-26293?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Duo Zhang resolved HBASE-26293.
-------------------------------
    Fix Version/s: 3.0.0-alpha-2
                   2.5.0
     Hadoop Flags: Reviewed
       Resolution: Fixed

Pushed to master and branch-2.

Thanks [~haxiaolin] for reviewing.

> Use reservoir sampling when selecting bootstrap nodes
> -----------------------------------------------------
>
>                 Key: HBASE-26293
>                 URL: https://issues.apache.org/jira/browse/HBASE-26293
>             Project: HBase
>          Issue Type: Sub-task
>          Components: master, regionserver
>            Reporter: Duo Zhang
>            Assignee: Duo Zhang
>            Priority: Major
>             Fix For: 2.5.0, 3.0.0-alpha-2
>
>
> In the current implementation, we need to copy all the region servers out to a new array list, shuffle the list, and then get the first several elements.
> We could use reservoir sampling to reduce the overhead here.



--
This message was sent by Atlassian Jira
(v8.3.4#803005)