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From "Todd Lipcon (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HDFS-1473) Refactor storage management into separate classes than fsimage file reading/writing
Date Mon, 29 Nov 2010 01:53:38 GMT

    [ https://issues.apache.org/jira/browse/HDFS-1473?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12964614#action_12964614

Todd Lipcon commented on HDFS-1473:

Hey Eli, Looks like the new files in the patch weren't included in the svn commit:

:000000 100644 0000000... 0d96937... A  src/java/org/apache/hadoop/hdfs/server/namenode/FSImageCompression.java
:000000 100644 0000000... 2db748a... A  src/java/org/apache/hadoop/hdfs/server/namenode/FSImageFormat.java
:000000 100644 0000000... 08ead09... A  src/java/org/apache/hadoop/hdfs/server/namenode/FSImageSerialization.java

> Refactor storage management into separate classes than fsimage file reading/writing
> -----------------------------------------------------------------------------------
>                 Key: HDFS-1473
>                 URL: https://issues.apache.org/jira/browse/HDFS-1473
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Todd Lipcon
>            Assignee: Todd Lipcon
>             Fix For: 0.22.0, 0.23.0
>         Attachments: hdfs-1473-prelim.txt, hdfs-1473.txt, hdfs-1473.txt, hdfs-1473.txt
> Currently the FSImage class is responsible both for storage management (eg moving around
files, tracking file names, the VERSION file, etc) as well as for the actual serialization
and deserialization of the "fsimage" file within the storage directory.
> I'd like to refactor the loading and saving code into new classes. This will make testing
easier and also make the major changes in HDFS-1073 easier to understand.

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