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From "Aaron T. Myers (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-3409) Secondary namenode should expose checkpoint info via JMX
Date Fri, 11 May 2012 19:06:49 GMT

    [ https://issues.apache.org/jira/browse/HDFS-3409?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13273513#comment-13273513
] 

Aaron T. Myers commented on HDFS-3409:
--------------------------------------

Hi Hitesh, should this information definitely be exposed on the 2NN, and not the NN? HDFS-2943
added much of this info the NN.
                
> Secondary namenode should expose checkpoint info via JMX
> --------------------------------------------------------
>
>                 Key: HDFS-3409
>                 URL: https://issues.apache.org/jira/browse/HDFS-3409
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>    Affects Versions: 1.0.2
>            Reporter: Hitesh Shah
>
> Information such as when the last checkpoint was done should be exposed via JMX so that
it can be easily queried via scripts. 

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