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https://issues.apache.org/jira/browse/HADOOP-6672?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andras Bokor resolved HADOOP-6672.
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Resolution: Duplicate
> BytesWritable.write(buf) use much more CPU in writeInt() then write(buf)
> ------------------------------------------------------------------------
>
> Key: HADOOP-6672
> URL: https://issues.apache.org/jira/browse/HADOOP-6672
> Project: Hadoop Common
> Issue Type: Improvement
> Components: io
> Affects Versions: 0.20.2
> Reporter: Kang Xiao
> Priority: Major
> Labels: BytesWritable, hadoop, io
> Attachments: BytesWritable.java.patch, screenshot-1.jpg,
> screenshot-2.jpg
>
>
> BytesWritable.write() use nearly 4 times of CPU in wirteInt() as write
> buffer. It may be optimized.
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