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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-7117) Move secondary namenode checkpoint configs from core-default.xml to hdfs-default.xml
Date Thu, 17 Mar 2011 11:13:29 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-7117?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13007891#comment-13007891
] 

Hudson commented on HADOOP-7117:
--------------------------------

Integrated in Hadoop-Common-trunk #633 (See [https://hudson.apache.org/hudson/job/Hadoop-Common-trunk/633/])
    HADOOP-7117. Remove fs.checkpoint.* from core-default.xml and replace fs.checkpoint.*
with dfs.namenode.checkpoint.* in documentations.  Contributed by Harsh J Chouraria


> Move secondary namenode checkpoint configs from core-default.xml to hdfs-default.xml
> ------------------------------------------------------------------------------------
>
>                 Key: HADOOP-7117
>                 URL: https://issues.apache.org/jira/browse/HADOOP-7117
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: conf
>            Reporter: Patrick Angeles
>            Assignee: Harsh J Chouraria
>             Fix For: 0.21.1, 0.22.0, 0.23.0
>
>         Attachments: HADOOP-7117.r1.diff
>
>
> The following configs are in core-default.xml, but are really read by the Secondary Namenode.
These should be moved to hdfs-default.xml for consistency.
> <property>
> <name>fs.checkpoint.dir</name>
> <value>${hadoop.tmp.dir}/dfs/namesecondary</value>
> <description>Determines where on the local filesystem the DFS secondary
> name node should store the temporary images to merge.
> If this is a comma-delimited list of directories then the image is
> replicated in all of the directories for redundancy.
> </description>
> </property>
> <property>
> <name>fs.checkpoint.edits.dir</name>
> <value>${fs.checkpoint.dir}</value>
> <description>Determines where on the local filesystem the DFS secondary
> name node should store the temporary edits to merge.
> If this is a comma-delimited list of directoires then teh edits is
> replicated in all of the directoires for redundancy.
> Default value is same as fs.checkpoint.dir
> </description>
> </property>
> <property>
> <name>fs.checkpoint.period</name>
> <value>3600</value>
> <description>The number of seconds between two periodic checkpoints.
> </description>
> </property>
> <property>
> <name>fs.checkpoint.size</name>
> <value>67108864</value>
> <description>The size of the current edit log (in bytes) that triggers
> a periodic checkpoint even if the fs.checkpoint.period hasn't expired.
> </description>
> </property>

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