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https://issues.apache.org/jira/browse/HDFS-10930?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15659844#comment-15659844
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ASF GitHub Bot commented on HDFS-10930:
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GitHub user xiaoyuyao opened a pull request:
https://github.com/apache/hadoop/pull/160
HDFS-10930.05.patch
Create a PR for easy review.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/xiaoyuyao/hadoop HDFS-10930
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/hadoop/pull/160.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #160
----
commit 43c3f2eb9ffecd2ed4831148900d3213f3a8671a
Author: Xiaoyu Yao <x...@apache.org>
Date: 2016-11-12T15:43:37Z
HDFS-10930.05.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
> Attachments: HDFS-10930.01.patch, HDFS-10930.02.patch,
> HDFS-10930.03.patch, HDFS-10930.04.patch, HDFS-10930.05.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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