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From "Tsz Wo (Nicholas), SZE (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-3518) Provide API to check HDFS operational state
Date Wed, 13 Jun 2012 02:45:43 GMT

    [ https://issues.apache.org/jira/browse/HDFS-3518?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13294080#comment-13294080
] 

Tsz Wo (Nicholas), SZE commented on HDFS-3518:
----------------------------------------------

> Perhaps this method could reasonably be added to o.a.h.hdfs.client.HdfsAdmin?

This is not an admin method.  Any user could have an application using it.

> ... We might want to wait for resolution of that issue before we introduce this new API
that we know won't work as intended.

It will work for non-HA setup.  So, we should not wait for HDFS-3507.  If there is a bug in
HA, it should not stop other development.
                
> Provide API to check HDFS operational state
> -------------------------------------------
>
>                 Key: HDFS-3518
>                 URL: https://issues.apache.org/jira/browse/HDFS-3518
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: hdfs client
>            Reporter: Bikas Saha
>            Assignee: Tsz Wo (Nicholas), SZE
>         Attachments: h3518_20120611.patch
>
>
> This will improve the usability of JobTracker safe mode.

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