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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-10930) Refactor: Wrap Datanode IO related operations
Date Tue, 06 Dec 2016 19:58:58 GMT

    [ https://issues.apache.org/jira/browse/HDFS-10930?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15726529#comment-15726529
] 

Hadoop QA commented on HDFS-10930:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue}  0m  0s{color} | {color:blue}
Docker mode activated. {color} |
| {color:red}-1{color} | {color:red} patch {color} | {color:red}  0m  7s{color} | {color:red}
HDFS-10930 does not apply to trunk. Rebase required? Wrong Branch? See https://wiki.apache.org/hadoop/HowToContribute
for help. {color} |
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|| Subsystem || Report/Notes ||
| JIRA Issue | HDFS-10930 |
| GITHUB PR | https://github.com/apache/hadoop/pull/170 |
| Console output | https://builds.apache.org/job/PreCommit-HDFS-Build/17780/console |
| Powered by | Apache Yetus 0.4.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.



> 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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