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Posted to issues@hbase.apache.org by "Andrew Purtell (JIRA)" <ji...@apache.org> on 2015/04/11 02:39:13 UTC

[jira] [Resolved] (HBASE-3306) Add better cache hit ratio statistics for LRU

     [ https://issues.apache.org/jira/browse/HBASE-3306?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andrew Purtell resolved HBASE-3306.
-----------------------------------
    Resolution: Incomplete
      Assignee:     (was: Jonathan Gray)

> Add better cache hit ratio statistics for LRU
> ---------------------------------------------
>
>                 Key: HBASE-3306
>                 URL: https://issues.apache.org/jira/browse/HBASE-3306
>             Project: HBase
>          Issue Type: Improvement
>          Components: io, regionserver
>            Reporter: Jonathan Gray
>         Attachments: HBASE-3306-v1.patch
>
>
> Currently the hit ratio is a lifetime ratio.  We should have some kind of rolling window stats, like ratio over the past hour.



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