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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-5881) Fix skip() of the short-circuit local reader (legacy).
Date Fri, 07 Feb 2014 14:53:38 GMT

    [ https://issues.apache.org/jira/browse/HDFS-5881?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13894590#comment-13894590
] 

Hudson commented on HDFS-5881:
------------------------------

SUCCESS: Integrated in Hadoop-Mapreduce-trunk #1691 (See [https://builds.apache.org/job/Hadoop-Mapreduce-trunk/1691/])
HDFS-5881. Fix skip() of the short-circuit local reader(legacy). Contributed by Kihwal Lee.
(kihwal: http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1565310)
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/BlockReaderLocalLegacy.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSInputStream.java


> Fix skip() of the short-circuit local reader (legacy).
> ------------------------------------------------------
>
>                 Key: HDFS-5881
>                 URL: https://issues.apache.org/jira/browse/HDFS-5881
>             Project: Hadoop HDFS
>          Issue Type: Bug
>    Affects Versions: 0.23.10
>            Reporter: Kihwal Lee
>            Assignee: Kihwal Lee
>            Priority: Critical
>             Fix For: 3.0.0, 0.23.11, 2.4.0
>
>         Attachments: HDFS-5881.branch-0.23.patch, HDFS-5881.branch-0.23.patch, HDFS-5881.trunk.patch
>
>
> It looks like a bug in skip() was introduced by HDFS-2356 and got fixed as a part of
HDFS-2834, which is an API change JIRA.  This bug causes to skip more (as many as the new
offsetFromChunkBoundary) data in certain cases.
> It is only for branch-0.23.



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