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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:
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Attachment: perf-3.patch
Other minor improvements including adding a configuration for hlog sequence
file compression. Was doing RECORD level, the default from hadoop. Set
default to NONE. It saves a few per-cent. If folks want compressed log files,
they'll probably want to do BLOCK level anyways presuming file is full of lots
of small hbase edits.
> [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.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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