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From "Aaron T. Myers (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-2413) Add public APIs for safemode
Date Mon, 26 Mar 2012 18:22:28 GMT

    [ https://issues.apache.org/jira/browse/HDFS-2413?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13238649#comment-13238649
] 

Aaron T. Myers commented on HDFS-2413:
--------------------------------------

bq. Since this is a new API, we are not sure if want to change it. Let's leave it as-is for
the moment.

Works for me. Thanks for thinking about it.

Nicholas, would you like to commit this patch or shall I? We should also probably update the
target version to 0.23.3 instead of 0.23.2.
                
> Add public APIs for safemode
> ----------------------------
>
>                 Key: HDFS-2413
>                 URL: https://issues.apache.org/jira/browse/HDFS-2413
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: hdfs client
>    Affects Versions: 0.23.0
>            Reporter: Todd Lipcon
>            Assignee: Harsh J
>         Attachments: HDFS-2413.patch, HDFS-2413.patch, HDFS-2413.patch, HDFS-2413.patch
>
>
> Currently the APIs for safe-mode are part of DistributedFileSystem, which is supposed
to be a private interface. However, dependent software often wants to wait until the NN is
out of safemode. Though it could poll trying to create a file and catching SafeModeException,
we should consider making some of these APIs public.

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