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Date: Tue, 22 Mar 2011 03:40:05 +0000 (UTC)
From: "stack (JIRA)" <jira@apache.org>
To: issues@hbase.apache.org
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Subject: [jira] [Updated] (HBASE-2459) Use finer-grain locking in
 HConnectionManager
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     [ https://issues.apache.org/jira/browse/HBASE-2459?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

stack updated HBASE-2459:
-------------------------

    Priority: Minor  (was: Critical)

Changed priority from critical to minor at Nicolas and Jon's suggestion.

> Use finer-grain locking in HConnectionManager
> ---------------------------------------------
>
>                 Key: HBASE-2459
>                 URL: https://issues.apache.org/jira/browse/HBASE-2459
>             Project: HBase
>          Issue Type: Improvement
>          Components: client
>            Reporter: Jonathan Gray
>            Priority: Minor
>              Labels: moved_from_0_20_5, noob
>             Fix For: 0.92.0
>
>
> Currently we synchronize within HConnectionManager.locateRegionInMeta() when looking up the cached location (and querying meta if not cached).  We use the same lock for every user-space region.
> We really only need per-region synchronization here.

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