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From "Nicolas Liochon (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-9869) Optimize HConnectionManager#getCachedLocation
Date Wed, 13 Nov 2013 14:57:22 GMT

     [ https://issues.apache.org/jira/browse/HBASE-9869?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Nicolas Liochon updated HBASE-9869:
-----------------------------------

    Status: Patch Available  (was: Open)

> Optimize HConnectionManager#getCachedLocation
> ---------------------------------------------
>
>                 Key: HBASE-9869
>                 URL: https://issues.apache.org/jira/browse/HBASE-9869
>             Project: HBase
>          Issue Type: Bug
>          Components: Client
>    Affects Versions: 0.96.0, 0.98.0
>            Reporter: Nicolas Liochon
>            Assignee: Nicolas Liochon
>             Fix For: 0.98.0, 0.96.1
>
>         Attachments: 9869.v1.patch, 9869.v1.patch
>
>
> It javadoc says: "TODO: This method during writing consumes 15% of CPU doing lookup".
This is still true, says Yourkit. With 0.96, we also spend more time in these methods. We
retry more, and the AsyncProcess calls it in parallel.
> I don't have the patch for this yet, but I will spend some time on it.



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