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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-2187) HDFS-1580: Make EditLogInputStream act like an iterator over FSEditLogOps
Date Fri, 05 Aug 2011 08:36:28 GMT

    [ https://issues.apache.org/jira/browse/HDFS-2187?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13079831#comment-13079831
] 

Hudson commented on HDFS-2187:
------------------------------

Integrated in Hadoop-Hdfs-trunk #738 (See [https://builds.apache.org/job/Hadoop-Hdfs-trunk/738/])
    HDFS-2187. Make EditLogInputStream act like an iterator over FSEditLogOps. Contributed
by Ivan Kelly and Todd Lipcon.

todd : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1153996
Files : 
* /hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/server/namenode/FSImageTransactionalStorageInspector.java
* /hadoop/common/trunk/hdfs/CHANGES.txt
* /hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/server/namenode/EditLogFileInputStream.java
* /hadoop/common/trunk/hdfs/src/test/hdfs/org/apache/hadoop/hdfs/server/namenode/TestFSEditLogLoader.java
* /hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/server/namenode/EditLogInputStream.java
* /hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/server/namenode/FSEditLogLoader.java
* /hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/server/namenode/FSEditLogOp.java
* /hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/server/namenode/EditLogBackupInputStream.java
* /hadoop/common/trunk/hdfs/src/test/hdfs/org/apache/hadoop/hdfs/server/namenode/TestEditLog.java
* /hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/server/namenode/FSEditLog.java
* /hadoop/common/trunk/hdfs/src/test/hdfs/org/apache/hadoop/hdfs/server/namenode/TestEditLogFileOutputStream.java
* /hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/server/namenode/BackupImage.java


> HDFS-1580: Make EditLogInputStream act like an iterator over FSEditLogOps
> -------------------------------------------------------------------------
>
>                 Key: HDFS-2187
>                 URL: https://issues.apache.org/jira/browse/HDFS-2187
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>            Reporter: Ivan Kelly
>            Assignee: Ivan Kelly
>             Fix For: 0.23.0
>
>         Attachments: 2187-changes.txt, HDFS-2187.diff, HDFS-2187.diff, hdfs-2187.txt,
hdfs-2187.txt, hdfs-2187.txt
>
>
> This JIRA is for the input side changes moved out of HDFS-2149. EditLogInputStream has
been changed to no longer be an InputStream implementation, but to return a stream of FSEditLogOp
objects using readOp(). The upshot is that all that can ever be read from an EditLogInputStream
is a op. No random hackery can be used to put other things in the stream. Version is now a
property of the EditLogInputStream and retrieved using getVersion().

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