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https://issues.apache.org/jira/browse/HADOOP-2495?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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stack updated HADOOP-2495:
--------------------------

    Attachment: perf-4.patch

Bring local the RPC class and the ObjectWritable so can use the faster Text 
write/read String in place of UTF-8 for hbase RPC'ing and so can do other 
'optimizations': e.g. sending codes rather than actual class names....

> [hbase] minor performance improvements: Slim-down BatchOperation
> ----------------------------------------------------------------
>
>                 Key: HADOOP-2495
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2495
>             Project: Hadoop
>          Issue Type: Improvement
>          Components: contrib/hbase
>            Reporter: stack
>            Priority: Minor
>             Fix For: 0.16.0
>
>         Attachments: perf-2.patch, perf-3.patch, perf-4.patch, perf.patch
>
>
> A couple of little improvements slimming down the hot 
> BatchOperation.readFields method that is responsible for most object 
> creations during a bulk update.  Also, make a ByteBuffer once searching 
> column family rather than one per character get.

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