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From "Eli Collins (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-2943) Expose last checkpoint time and transaction stats as JMX metrics
Date Tue, 14 Feb 2012 05:27:01 GMT

    [ https://issues.apache.org/jira/browse/HDFS-2943?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13207523#comment-13207523
] 

Eli Collins commented on HDFS-2943:
-----------------------------------

+1 looks great
                
> Expose last checkpoint time and transaction stats as JMX metrics
> ----------------------------------------------------------------
>
>                 Key: HDFS-2943
>                 URL: https://issues.apache.org/jira/browse/HDFS-2943
>             Project: Hadoop HDFS
>          Issue Type: New Feature
>          Components: name-node
>    Affects Versions: 0.23.1
>            Reporter: Aaron T. Myers
>            Assignee: Aaron T. Myers
>         Attachments: HDFS-2943.patch
>
>
> I think we should expose at least the following:
> * Last checkpoint time
> * Transactions since last checkpoint
> * Last written transaction

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