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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-2223) Untangle depencencies between NN components
Date Wed, 10 Aug 2011 19:06:27 GMT

    [ https://issues.apache.org/jira/browse/HDFS-2223?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13082568#comment-13082568
] 

Hadoop QA commented on HDFS-2223:
---------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12489921/hdfs-2223-3.txt
  against trunk revision 1155998.

    +1 @author.  The patch does not contain any @author tags.

    +1 tests included.  The patch appears to include 15 new or modified tests.

    -1 patch.  The patch command could not apply the patch.

Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/1063//console

This message is automatically generated.

> Untangle depencencies between NN components
> -------------------------------------------
>
>                 Key: HDFS-2223
>                 URL: https://issues.apache.org/jira/browse/HDFS-2223
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: name-node
>    Affects Versions: 0.23.0
>            Reporter: Todd Lipcon
>            Assignee: Todd Lipcon
>         Attachments: hdfs-2223-1.txt, hdfs-2223-2.txt, hdfs-2223-3.txt
>
>
> Working in the NN a lot for HA (HDFS-1623) I've come across a number of situations where
the tangled dependencies between NN components has been problematic for adding new features
and for testability. It would be good to untangle some of these and clarify what the distinction
is between the different components: NameNode, FSNamesystem, FSDirectory, FSImage, NNStorage,
and FSEditLog

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