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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-8363) Erasure Coding: DFSStripedInputStream#seekToNewSource
Date Wed, 30 Sep 2015 16:39:30 GMT

    [ https://issues.apache.org/jira/browse/HDFS-8363?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14937645#comment-14937645
] 

Hudson commented on HDFS-8363:
------------------------------

FAILURE: Integrated in Hadoop-Yarn-trunk #1203 (See [https://builds.apache.org/job/Hadoop-Yarn-trunk/1203/])
HDFS-8363. Erasure Coding: DFSStripedInputStream#seekToNewSource. (yliu) (zhezhang: rev 8da9e18dadf536d340d5f291a105e48380d0282e)
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSStripedInputStream.java
* hadoop-hdfs-project/hadoop-hdfs/CHANGES-HDFS-EC-7285.txt


> Erasure Coding: DFSStripedInputStream#seekToNewSource
> -----------------------------------------------------
>
>                 Key: HDFS-8363
>                 URL: https://issues.apache.org/jira/browse/HDFS-8363
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Yi Liu
>            Assignee: Yi Liu
>         Attachments: HDFS-8363.001.patch
>
>
> Ideally, for striped block, an internal block is only on one datanode, so {{DFSStripedInputStream#seekToNewSource}}
should return *false*, we should overwrite {{DFSInputStream#seekToNewSource}} for striped
file.
> This patch also remove the hardcode for {{groupSize}}
> {code}
> private final short groupSize = HdfsConstants.NUM_DATA_BLOCKS;
> {code}



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