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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-2797) Fix misuses of InputStream#skip in the edit log code
Date Tue, 12 Jun 2012 11:44:48 GMT

    [ https://issues.apache.org/jira/browse/HDFS-2797?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13293537#comment-13293537
] 

Hudson commented on HDFS-2797:
------------------------------

Integrated in Hadoop-Hdfs-trunk #1074 (See [https://builds.apache.org/job/Hadoop-Hdfs-trunk/1074/])
    HDFS-2797. Fix misuses of InputStream#skip in the edit log code. Contributed by Colin
Patrick McCabe (Revision 1348945)

     Result = SUCCESS
eli : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1348945
Files : 
* /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/server/namenode/EditLogFileInputStream.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSEditLogLoader.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSEditLogOp.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/StreamLimiter.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/TestEditLogsDuringFailover.java

                
> Fix misuses of InputStream#skip in the edit log code
> ----------------------------------------------------
>
>                 Key: HDFS-2797
>                 URL: https://issues.apache.org/jira/browse/HDFS-2797
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: ha, name-node
>    Affects Versions: 2.0.0-alpha
>            Reporter: Aaron T. Myers
>            Assignee: Colin Patrick McCabe
>             Fix For: 2.0.1-alpha
>
>         Attachments: HDFS-2797.001.patch, HDFS-2797.002.patch, HDFS-2797.003.patch
>
>
> Fix some misuses of InputStream#skip in the edit log code.
> Also add a test.  The existing failover tests only cover the case of graceful shutdown.
We should make sure the standby NN can become active even when the final transaction in an
edit log is only partially written to disk.

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