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https://issues.apache.org/jira/browse/HDFS-10930?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xiaoyu Yao updated HDFS-10930:
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Attachment: HDFS-10930-branch-2.002.patch
Attach a new branch-2 patch.
> Refactor: Wrap Datanode IO related operations
> ---------------------------------------------
>
> Key: HDFS-10930
> URL: https://issues.apache.org/jira/browse/HDFS-10930
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: datanode
> Reporter: Xiaoyu Yao
> Assignee: Xiaoyu Yao
> Fix For: 3.0.0-alpha2
>
> Attachments: HDFS-10930-branch-2.00.patch,
> HDFS-10930-branch-2.001.patch, HDFS-10930-branch-2.002.patch,
> HDFS-10930.01.patch, HDFS-10930.02.patch, HDFS-10930.03.patch,
> HDFS-10930.04.patch, HDFS-10930.05.patch, HDFS-10930.06.patch,
> HDFS-10930.07.patch, HDFS-10930.08.patch, HDFS-10930.09.patch,
> HDFS-10930.10.patch, HDFS-10930.11.patch, HDFS-10930.barnch-2.00.patch
>
>
> Datanode IO (Disk/Network) related operations and instrumentations are
> currently spilled in many classes such as DataNode.java, BlockReceiver.java,
> BlockSender.java, FsDatasetImpl.java, FsVolumeImpl.java,
> DirectoryScanner.java, BlockScanner.java, FsDatasetAsyncDiskService.java,
> LocalReplica.java, LocalReplicaPipeline.java, Storage.java, etc.
> This ticket is opened to consolidate IO related operations for easy
> instrumentation, metrics collection, logging and trouble shooting.
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