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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-1826) NameNode should save image to name directories in parallel during upgrade
Date Sat, 30 Apr 2011 08:23:03 GMT

    [ https://issues.apache.org/jira/browse/HDFS-1826?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13027301#comment-13027301
] 

Hadoop QA commented on HDFS-1826:
---------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12477869/1826_FSImageWrite_concur_upgrade_v3.patch
  against trunk revision 1097969.

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

    +1 tests included.  The patch appears to include 6 new or modified tests.

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

Console output: https://builds.apache.org/hudson/job/PreCommit-HDFS-Build/438//console

This message is automatically generated.

> NameNode should save image to name directories in parallel during upgrade
> -------------------------------------------------------------------------
>
>                 Key: HDFS-1826
>                 URL: https://issues.apache.org/jira/browse/HDFS-1826
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: name-node
>    Affects Versions: 0.23.0
>            Reporter: Hairong Kuang
>            Assignee: Matt Foley
>             Fix For: 0.23.0
>
>         Attachments: 1826_FSImageWrite_concur_upgrade_v1.patch, 1826_FSImageWrite_concur_upgrade_v3.patch
>
>
> Currently namenode saves a new image to all its name directories in sequence during upgrade.
We should make it to do in parallel to speedup namenode upgrade. Also it should not save its
image to edits directories.

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