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Posted to hdfs-issues@hadoop.apache.org by "Hudson (JIRA)" <ji...@apache.org> on 2012/08/13 23:56:38 UTC
[jira] [Commented] (HDFS-3190) Simple refactors in existing NN code
to assist QuorumJournalManager extension
[ https://issues.apache.org/jira/browse/HDFS-3190?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13433612#comment-13433612 ]
Hudson commented on HDFS-3190:
------------------------------
Integrated in Hadoop-Hdfs-trunk-Commit #2639 (See [https://builds.apache.org/job/Hadoop-Hdfs-trunk-Commit/2639/])
Move HDFS-2330 and HDFS-3190 to branch-2 section, since they have been backported from trunk. (Revision 1372605)
Result = SUCCESS
todd : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1372605
Files :
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
> Simple refactors in existing NN code to assist QuorumJournalManager extension
> -----------------------------------------------------------------------------
>
> Key: HDFS-3190
> URL: https://issues.apache.org/jira/browse/HDFS-3190
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: name-node
> Affects Versions: 2.0.0-alpha
> Reporter: Todd Lipcon
> Assignee: Todd Lipcon
> Priority: Minor
> Fix For: 3.0.0, 2.2.0-alpha
>
> Attachments: hdfs-3190.txt, hdfs-3190.txt, hdfs-3190.txt, hdfs-3190.txt, hdfs-3190.txt
>
>
> This JIRA is for some simple refactors in the NN:
> - refactor the code which writes the seen_txid file in NNStorage into a new "LongContainingFile" utility class. This is useful for the JournalNode to atomically/durably record its last promised epoch
> - refactor the interface from FileJournalManager back to StorageDirectory to use a StorageErrorReport interface. This allows FileJournalManager to be used in isolation of a full StorageDirectory.
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