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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-7752) Improve description for "dfs.namenode.num.extra.edits.retained" and "dfs.namenode.num.checkpoints.retained" properties on hdfs-default.xml
Date Sat, 21 Feb 2015 11:42:16 GMT

    [ https://issues.apache.org/jira/browse/HDFS-7752?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14330146#comment-14330146

Hudson commented on HDFS-7752:

FAILURE: Integrated in Hadoop-Yarn-trunk-Java8 #111 (See [https://builds.apache.org/job/Hadoop-Yarn-trunk-Java8/111/])
HDFS-7752. Improve description for "dfs.namenode.num.extra.edits.retained" and "dfs.namenode.num.checkpoints.retained"
properties on hdfs-default.xml. Contributed by Wellington Chevreuil. (harsh: rev b9a17909ba39898120a096cb6ae90104640690db)
* hadoop-hdfs-project/hadoop-hdfs/src/main/resources/hdfs-default.xml
* hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt

> Improve description for "dfs.namenode.num.extra.edits.retained" and "dfs.namenode.num.checkpoints.retained"
properties on hdfs-default.xml
> ------------------------------------------------------------------------------------------------------------------------------------------
>                 Key: HDFS-7752
>                 URL: https://issues.apache.org/jira/browse/HDFS-7752
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: documentation
>    Affects Versions: 2.6.0
>            Reporter: Wellington Chevreuil
>            Assignee: Wellington Chevreuil
>            Priority: Minor
>             Fix For: 2.7.0
>         Attachments: HDFS-7752.patch, HDFS-7752.patch
> Current description for "dfs.namenode.num.extra.edits.retained" and "dfs.namenode.num.checkpoints.retained"
properties on hdfs-default.xml is not clear on how much and which files will be kept on namenodes
meta-data directory. 
> For "dfs.namenode.num.checkpoints.retained", it's not clear that it applies to the number
of "fsimage_*" files.
> For "dfs.namenode.num.extra.edits.retained", it's not clear the value set indirectly
applies to "edits_*" files, and how the configured value translates into the number of edit
files to be kept.

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