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https://issues.apache.org/jira/browse/HDFS-8026?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Colin Patrick McCabe updated HDFS-8026:
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Status: Patch Available (was: Open)
> Trace FSOutputSummer#writeChecksumChunks rather than
> DFSOutputStream#writeChunk
> -------------------------------------------------------------------------------
>
> Key: HDFS-8026
> URL: https://issues.apache.org/jira/browse/HDFS-8026
> Project: Hadoop HDFS
> Issue Type: Bug
> Affects Versions: 2.7.0
> Reporter: Colin Patrick McCabe
> Assignee: Colin Patrick McCabe
> Priority: Minor
> Attachments: HDFS-8026.001.patch
>
>
> We should trace FSOutputSummer#writeChecksumChunks rather than
> DFSOutputStream#writeChunk. When tracing writeChunk, we get a new trace span
> every 512 bytes; when tracing writeChecksumChunks, we normally get a new
> trace span only when the FSOutputSummer buffer is full (9x less often.)
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