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https://issues.apache.org/jira/browse/HDFS-2212?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13079844#comment-13079844
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Hudson commented on HDFS-2212:
------------------------------
Integrated in Hadoop-Hdfs-trunk-Commit #812 (See
[https://builds.apache.org/job/Hadoop-Hdfs-trunk-Commit/812/])
HDFS-2212. Refactor double-buffering code out of EditLogOutputStreams.
Contributed by Todd Lipcon
eli : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1151736
Files :
*
/hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/server/namenode/EditLogFileOutputStream.java
* /hadoop/common/trunk/hdfs/CHANGES.txt
*
/hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/server/namenode/FSEditLogOp.java
*
/hadoop/common/trunk/hdfs/src/test/hdfs/org/apache/hadoop/hdfs/server/namenode/TestEditsDoubleBuffer.java
*
/hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/server/namenode/EditLogBackupOutputStream.java
*
/hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/server/namenode/EditsDoubleBuffer.java
> Refactor double-buffering code out of EditLogOutputStreams
> ----------------------------------------------------------
>
> Key: HDFS-2212
> URL: https://issues.apache.org/jira/browse/HDFS-2212
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: name-node
> Affects Versions: 0.23.0
> Reporter: Todd Lipcon
> Assignee: Todd Lipcon
> Fix For: 0.23.0
>
> Attachments: hdfs-2212.txt
>
>
> This is a small cleanup that makes EditLogFileOutputStream and
> EditLogBackupOutputStream more consistent with each other on how they buffer
> edits. It simply refactors the double-buffering behavior into a new class.
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