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From "dhruba borthakur (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HDFS-1463) accessTime updates should not occur in safeMode
Date Thu, 21 Oct 2010 00:39:23 GMT

    [ https://issues.apache.org/jira/browse/HDFS-1463?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12923262#action_12923262

dhruba borthakur commented on HDFS-1463:

This could be problematic because SafeMode implies readonly mode, but this patch could make
readers fail if it needed to update accessTime fo a file. I would prefer to skip updating
accesstime of a file if the namenode is in SafeMode.

> accessTime updates should not occur in safeMode
> -----------------------------------------------
>                 Key: HDFS-1463
>                 URL: https://issues.apache.org/jira/browse/HDFS-1463
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: name-node
>            Reporter: dhruba borthakur
>            Assignee: dhruba borthakur
>         Attachments: accessTimeSafeMode.txt
> FSNamesystem.getBlockLocations sometimes need to update the accessTime of files. If the
namenode is in safemode, this call should fail.

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