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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-9822) Erasure Coding: Avoids scheduling multiple reconstruction tasks for a striped block at the same time
Date Wed, 11 Jan 2017 03:23:58 GMT

    [ https://issues.apache.org/jira/browse/HDFS-9822?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15817023#comment-15817023
] 

Hadoop QA commented on HDFS-9822:
---------------------------------

| (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  4s{color} | {color:red}
HDFS-9822 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-9822 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12791223/HDFS-9822-002.patch
|
| Console output | https://builds.apache.org/job/PreCommit-HDFS-Build/18146/console |
| Powered by | Apache Yetus 0.5.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.



> Erasure Coding: Avoids scheduling multiple reconstruction tasks for a striped block at
the same time
> ----------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-9822
>                 URL: https://issues.apache.org/jira/browse/HDFS-9822
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: erasure-coding
>            Reporter: Tsz Wo Nicholas Sze
>            Assignee: Rakesh R
>              Labels: hdfs-ec-3.0-nice-to-have
>         Attachments: HDFS-9822-001.patch, HDFS-9822-002.patch
>
>
> Found the following AssertionError in https://builds.apache.org/job/PreCommit-HDFS-Build/14501/testReport/org.apache.hadoop.hdfs.server.namenode/TestReconstructStripedBlocks/testMissingStripedBlockWithBusyNode2/
> {code}
> AssertionError: Should wait the previous reconstruction to finish
> 	at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.validateReconstructionWork(BlockManager.java:1680)
> 	at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.computeReconstructionWorkForBlocks(BlockManager.java:1536)
> 	at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.computeBlockReconstructionWork(BlockManager.java:1472)
> 	at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.computeDatanodeWork(BlockManager.java:4229)
> 	at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager$ReplicationMonitor.run(BlockManager.java:4100)
> 	at java.lang.Thread.run(Thread.java:745)
> 	at org.apache.hadoop.util.ExitUtil.terminate(ExitUtil.java:126)
> 	at org.apache.hadoop.util.ExitUtil.terminate(ExitUtil.java:170)
> 	at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager$ReplicationMonitor.run(BlockManager.java:4119)
> 	at java.lang.Thread.run(Thread.java:745)
> {code}



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