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Posted to common-dev@hadoop.apache.org by "Sameer Paranjpye (JIRA)" <ji...@apache.org> on 2006/05/31 02:25:30 UTC
[jira] Updated: (HADOOP-227) Namespace check pointing is not
performed until the namenode restarts.
[ http://issues.apache.org/jira/browse/HADOOP-227?page=all ]
Sameer Paranjpye updated HADOOP-227:
------------------------------------
Fix Version: 0.4
Version: 0.2
> Namespace check pointing is not performed until the namenode restarts.
> ----------------------------------------------------------------------
>
> Key: HADOOP-227
> URL: http://issues.apache.org/jira/browse/HADOOP-227
> Project: Hadoop
> Type: Bug
> Components: dfs
> Versions: 0.2
> Reporter: Konstantin Shvachko
> Fix For: 0.4
>
> In current implementation when the name node starts, it reads its image file, then
> the edits file, and then saves the updated image back into the image file.
> The image file is never updated after that.
> In order to provide the system reliability reliability the namespace information should
> be check pointed periodically, and the edits file should be kept relatively small.
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