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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-5784) reserve space in edit log header and fsimage header for feature flag section
Date Fri, 17 Jan 2014 11:11:02 GMT

    [ https://issues.apache.org/jira/browse/HDFS-5784?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13874672#comment-13874672
] 

Hudson commented on HDFS-5784:
------------------------------

SUCCESS: Integrated in Hadoop-Yarn-trunk #455 (See [https://builds.apache.org/job/Hadoop-Yarn-trunk/455/])
HDFS-5784. Reserve space in edit log header and fsimage header for feature flag section (cmccabe)
(cmccabe: http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1558974)
* /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/protocol/LayoutFlags.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocol/LayoutVersion.java
* /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/EditLogFileOutputStream.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSImageFormat.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/tools/offlineImageViewer/ImageLoaderCurrent.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/qjournal/server/TestJournalNode.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestFSEditLogLoader.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/resources/editsStored
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/resources/editsStored.xml


> reserve space in edit log header and fsimage header for feature flag section
> ----------------------------------------------------------------------------
>
>                 Key: HDFS-5784
>                 URL: https://issues.apache.org/jira/browse/HDFS-5784
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: namenode
>    Affects Versions: 2.4.0
>            Reporter: Colin Patrick McCabe
>            Assignee: Colin Patrick McCabe
>             Fix For: 3.0.0
>
>         Attachments: HDFS-5784.001.patch, HDFS-5784.002.patch, HDFS-5784.003.patch
>
>
> We should reserve space in the edit log header and fsimage header so that we can add
layout feature flags later in a compatible manner.



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