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https://issues.apache.org/jira/browse/HBASE-406?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Bryan Duxbury updated HBASE-406:
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Attachment: 406-v2.patch
Old patch didn't apply cleanly anymore.
> Remove HTable and HConnection close methods
> -------------------------------------------
>
> Key: HBASE-406
> URL: https://issues.apache.org/jira/browse/HBASE-406
> Project: Hadoop HBase
> Issue Type: Improvement
> Components: client
> Reporter: Bryan Duxbury
> Assignee: Bryan Duxbury
> Priority: Minor
> Fix For: 0.2.0
>
> Attachments: 406-v2.patch, 406.patch
>
>
> As a holdover from the old style of full-meta caching, HTable and HConnection
> have close methods that are intended to release resources when you are done
> using a table. However, with the new lazy cache, it no longer makes sense to
> manually manage your connection cache. Instead, we should remove HTable.close
> and HConnection.close and allow the cache's resource usage to be managed by
> other means.
> This will have the effect of making opening and "closing" HTables very cheap
> once they've been opened at least once. This is actually sort of critical for
> applications like REST, which use a lot of instances of HTable rather than
> caching a single HTable. Opening and closing the table in the old style would
> be very expensive.
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