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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 Fri, 19 Nov 2010 16:59:14 GMT

    [ https://issues.apache.org/jira/browse/HDFS-1473?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12933864#action_12933864
] 

Todd Lipcon commented on HDFS-1473:
-----------------------------------

Unit test results:
    [junit] Test org.apache.hadoop.hdfs.TestHDFSTrash FAILED (timeout) [ HDFS-1471]
    [junit] Test org.apache.hadoop.hdfs.server.namenode.TestStorageRestore FAILED [HDFS-1496]
    [junit] Test org.apache.hadoop.hdfs.server.balancer.TestBalancer FAILED [HDFS-613]
    [junit] Test org.apache.hadoop.hdfs.server.namenode.TestBlockTokenWithDFS FAILED [HDFS-613]
    [junit] Test org.apache.hadoop.hdfs.server.namenode.TestSaveNamespace FAILED [HDFS-1503]
    [junit] Test org.apache.hadoop.hdfs.server.datanode.TestBlockRecovery FAILED [HDFS-1502]

test-patch had one new findbugs issue, running through a slightly updated patch now.

> 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
>         Attachments: hdfs-1473-prelim.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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