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Posted to issues@hbase.apache.org by "Ted Yu (JIRA)" <ji...@apache.org> on 2011/03/15 19:31:29 UTC

[jira] Updated: (HBASE-3647) Distinguish read and write request count in region

     [ https://issues.apache.org/jira/browse/HBASE-3647?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ted Yu updated HBASE-3647:
--------------------------

    Attachment: hbase-3647.txt

Also includes the change of HServerLoad.regionLoad to Map.

> Distinguish read and write request count in region
> --------------------------------------------------
>
>                 Key: HBASE-3647
>                 URL: https://issues.apache.org/jira/browse/HBASE-3647
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Ted Yu
>            Assignee: Ted Yu
>         Attachments: hbase-3647.txt
>
>
> Distinguishing read and write request counts, on top of HBASE-3507, would benefit load balancer.
> The action for balancing read vs. write load should be different. For read load, region movement should be low (to keep scanner happy). For write load, region movement is allowed.
> Now that we have cheap(er) counters, it should not be too burdensome keeping up the extra count.

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