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From "Nicolas Spiegelberg (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-4933) Ability to calculate the blockcache hit ratio for the last few minutes
Date Mon, 05 Dec 2011 21:20:40 GMT

     [ https://issues.apache.org/jira/browse/HBASE-4933?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Nicolas Spiegelberg updated HBASE-4933:
---------------------------------------

    Attachment: HBASE-4933.patch

uploading patch from Phabricator
                
> Ability to calculate the blockcache hit ratio for the last few minutes
> ----------------------------------------------------------------------
>
>                 Key: HBASE-4933
>                 URL: https://issues.apache.org/jira/browse/HBASE-4933
>             Project: HBase
>          Issue Type: Improvement
>          Components: metrics
>            Reporter: dhruba borthakur
>            Assignee: dhruba borthakur
>             Fix For: 0.94.0
>
>         Attachments: HBASE-4933.patch
>
>
> The metric blockcacheHitRatio is since the beginning of time. It would be nice to calculate
the block cache hit ratio for the past few minutes.

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