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From "stack (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HBASE-823) Concurrent "open mapfile reader" limit
Date Wed, 21 Jan 2009 23:00:09 GMT

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

stack updated HBASE-823:
------------------------

         Priority: Blocker  (was: Major)
    Fix Version/s: 0.20.0

> 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
>             Fix For: 0.20.0
>
>
> 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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