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https://issues.apache.org/jira/browse/HDFS-4661?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Colin Patrick McCabe updated HDFS-4661:
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Attachment: HDFS-4661.001.patch
here's a patch. I've tested it with
TestDomainSocket,TestShortCircuitLocalRead,TestParallelShortCircuitRead,TestParallelRead,TestPersistBlocks,TestPeerCache,TestFileInputStreamCache,TestParallelUnixDomainRead,TestParallelShortCircuitReadNoChecksum,TestBlockReaderLocal,TestBlockReaderLocalLegacy
> code style fixes suggested by Nicholas
> --------------------------------------
>
> Key: HDFS-4661
> URL: https://issues.apache.org/jira/browse/HDFS-4661
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: datanode, hdfs-client, performance
> Reporter: Colin Patrick McCabe
> Priority: Minor
> Attachments: HDFS-4661.001.patch
>
>
> * The log statement in DataXceiver
> "BlockSender.ClientTraceLog.info("REQUEST_SHORT_CIRCUIT_FDS"...)" could be
> cleaned up somewhat.
> * use {{FsDatasetSpi#getBlockInputStream}} and
> {{FsDatasetSpi#getMetaDataInputStream}} rather than adding
> {{FsDatasetSpi#getShortCircuitFdsForRead}}
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