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From "Mark Yang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-4227) Document dfs.namenode.resource.*
Date Fri, 04 Jan 2013 08:04:12 GMT

    [ https://issues.apache.org/jira/browse/HDFS-4227?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13543687#comment-13543687
] 

Mark Yang commented on HDFS-4227:
---------------------------------

Hi Aaron, thanks for your review.

About the description "If no redundant resources are available we ......", I have no idea
what it means either after checking the source code.
I just remove this line.
                
> Document dfs.namenode.resource.*  
> ----------------------------------
>
>                 Key: HDFS-4227
>                 URL: https://issues.apache.org/jira/browse/HDFS-4227
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: documentation
>    Affects Versions: 1.0.0, 2.0.0-alpha
>            Reporter: Eli Collins
>            Assignee: Daisuke Kobayashi
>              Labels: newbie
>         Attachments: hdfs-4227-1.patch, hdfs-4227-2.patch, HDFS-4227.patch
>
>
> Let's document {{dfs.namenode.resource.*}} in hdfs-default.xml and a section the in the
HDFS docs that covers local directories.
> {{dfs.namenode.resource.check.interval}} - the interval in ms at which the NameNode resource
checker runs (default is 5000)
> {{dfs.namenode.resource.du.reserved}} - the amount of space to reserve/require for a
NN storage directory (default is 100mb)
> {{dfs.namenode.resource.checked.volumes}} - a list of local directories for the NN resource
checker to check in addition to the local edits directories (default is empty).
> {{dfs.namenode.resource.checked.volumes.minimum}} - the minimum number of redundant NN
storage volumes required (default is 1). If no redundant resources are available we don't
enter SM if there are sufficient required resources.

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