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From "stack (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HBASE-823) Concurrent "open mapfile reader" limit
Date Fri, 24 Apr 2009 22:57:30 GMT

     [ https://issues.apache.org/jira/browse/HBASE-823?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

stack updated HBASE-823:

    Fix Version/s:     (was: 0.20.0)

Actually move this out.

> Concurrent "open mapfile reader" limit
> --------------------------------------
>                 Key: HBASE-823
>                 URL: https://issues.apache.org/jira/browse/HBASE-823
>             Project: Hadoop HBase
>          Issue Type: Improvement
>            Reporter: stack
>            Priority: Blocker
> Over in HBASE-745, Luo Ning profiling found that the number of open Readers has direct
impact on memory used.  This issue is about putting an upper bound on the number of open Readers
doing something like a bounded pool w/ a LRU eviction policy.

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