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From "dhruba borthakur (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-3409) NameNode should save the root inode into fsimage
Date Sun, 18 May 2008 08:06:55 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-3409?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12597787#action_12597787
] 

dhruba borthakur commented on HADOOP-3409:
------------------------------------------

In this patch, the loadFSImage method does the following:

if (path.length() == 0) {
  // assume that this is the root inode.
}

will it be more explicit if we replace the above piece of code with the following:

if (i == 0) {
  // the first entry is always the root inode.
}

> NameNode should save the root inode into fsimage
> ------------------------------------------------
>
>                 Key: HADOOP-3409
>                 URL: https://issues.apache.org/jira/browse/HADOOP-3409
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: dfs
>    Affects Versions: 0.17.0
>            Reporter: Hairong Kuang
>            Assignee: Hairong Kuang
>             Fix For: 0.18.0
>
>         Attachments: rootImage.patch
>
>
> Currently namenode does not save the root inode into the image. Therefore the root's
attributes like modification time, permission, and quota in the future are not persistent.

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