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From "Chris Nauroth (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-10612) NFS failed to refresh the user group id mapping table
Date Fri, 16 May 2014 11:05:37 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-10612?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13999390#comment-13999390
] 

Chris Nauroth commented on HADOOP-10612:
----------------------------------------

Hi, Brandon.  The change looks good.  Two questions:

# Is changing this config property name backwards-incompatible with existing configs that
are already deployed?
# Do you think it's worthwhile to switch to {{Time#monotonicNow}} so that this isn't subject
to system clock bugs?  (i.e. Someone resets the clock to a time in the past, and then updates
don't happen for a long time.)

> NFS failed to refresh the user group id mapping table
> -----------------------------------------------------
>
>                 Key: HADOOP-10612
>                 URL: https://issues.apache.org/jira/browse/HADOOP-10612
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: nfs
>    Affects Versions: 2.4.0
>            Reporter: Brandon Li
>            Assignee: Brandon Li
>         Attachments: HADOOP-10612.002.patch, HADOOP-10612.patch
>
>
> Found by Preetham Kukillaya. The user/group id mapping table is not updated periodically.



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