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From "Shinichi Yamashita (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-4977) Change "Checkpoint Size" of web ui of SecondaryNameNode
Date Fri, 12 Jul 2013 18:51:53 GMT

    [ https://issues.apache.org/jira/browse/HDFS-4977?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13707231#comment-13707231
] 

Shinichi Yamashita commented on HDFS-4977:
------------------------------------------

Thank you for comment.
The user of Hadoop 2.0 (Apache, HDP 2.0, CDH4) may use SecondaryNameNode depending on requirements.And
they watch web ui for monitoring and management if they use SecondaryNameNode.
They will be wrong when a checkpoint is carried out at size of edits like Hadoop 1.0.
                
> Change "Checkpoint Size" of web ui of SecondaryNameNode
> -------------------------------------------------------
>
>                 Key: HDFS-4977
>                 URL: https://issues.apache.org/jira/browse/HDFS-4977
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: namenode
>    Affects Versions: 3.0.0, 2.0.4-alpha
>            Reporter: Shinichi Yamashita
>            Priority: Minor
>              Labels: newbie
>         Attachments: HDFS-4977-2.patch, HDFS-4977.patch, HDFS-4977.patch
>
>
> The checkpoint of SecondaryNameNode after 2.0 is carried out by "dfs.namenode.checkpoint.period"
and "dfs.namenode.checkpoint.txns".
> Because "Checkpoint Size" displayed in status.jsp of SecondaryNameNode, it shuold make
modifications.

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