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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-4027) Enable direct byte buffers LruBlockCache
Date Fri, 26 Aug 2011 18:55:29 GMT

     [ https://issues.apache.org/jira/browse/HBASE-4027?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

stack updated HBASE-4027:
-------------------------

       Resolution: Fixed
    Fix Version/s: 0.92.0
     Hadoop Flags: [Reviewed]
           Status: Resolved  (was: Patch Available)

Thank you for the fat feature Li.  Thanks to all the reviewers too.  Committed to TRUNK.

> Enable direct byte buffers LruBlockCache
> ----------------------------------------
>
>                 Key: HBASE-4027
>                 URL: https://issues.apache.org/jira/browse/HBASE-4027
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Jason Rutherglen
>            Assignee: Li Pi
>            Priority: Minor
>             Fix For: 0.92.0
>
>         Attachments: 4027-v5.diff, 4027v7.diff, HBase-4027 (1).pdf, HBase-4027.pdf, HBase4027v8.diff,
HBase4027v9.diff, hbase-4027-v10.5.diff, hbase-4027-v10.diff, hbase-4027v10.6.diff, hbase-4027v13.1.diff,
hbase-4027v15.3.diff, hbase-4027v6.diff, hbase4027v11.5.diff, hbase4027v11.6.diff, hbase4027v11.7.diff,
hbase4027v11.diff, hbase4027v12.1.diff, hbase4027v12.diff, hbase4027v15.2.diff, slabcachepatch.diff,
slabcachepatchv2.diff, slabcachepatchv3.1.diff, slabcachepatchv3.2.diff, slabcachepatchv3.diff,
slabcachepatchv4.5.diff, slabcachepatchv4.diff
>
>
> Java offers the creation of direct byte buffers which are allocated outside of the heap.
> They need to be manually free'd, which can be accomplished using an documented {{clean}}
method.
> The feature will be optional.  After implementing, we can benchmark for differences in
speed and garbage collection observances.

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