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https://issues.apache.org/jira/browse/HDFS-3518?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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taojie updated HDFS-3518:
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Description: This will improve the usability of JobTracker safe mode.得到的
(was: This will improve the usability of JobTracker safe mode.)
> 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
> Fix For: 1.1.0, 2.0.2-alpha
>
> Attachments: h3518_20120611.patch, h3518_20120615_b-1.0.patch,
> h3518_20120615.patch
>
>
> This will improve the usability of JobTracker safe mode.得到的
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