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From "Harsh J (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-2831) Description of dfs.namenode.name.dir should be changed
Date Tue, 24 Jan 2012 06:43:40 GMT

    [ https://issues.apache.org/jira/browse/HDFS-2831?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13191949#comment-13191949
] 

Harsh J commented on HDFS-2831:
-------------------------------

Key "dfs.namenode.edits.dir" is the config for edits location and it uses "dfs.namenode.name.dir"
as its default value. I think the docs holds good as it is, and we shouldn't add in about
edits to make it ambiguous.

An improvement we can do, however, is to make the right key for edits more visible. But I
have not seen a great need to change this location among several users. I think this is fine
as is. But please put forth your POV too, as what lead to requiring moving the edits dir?
:)

If you agree, we can resolve this one out :)
                
> Description of dfs.namenode.name.dir should be changed 
> -------------------------------------------------------
>
>                 Key: HDFS-2831
>                 URL: https://issues.apache.org/jira/browse/HDFS-2831
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: name-node
>    Affects Versions: 0.21.0, 0.23.0
>         Environment: NA
>            Reporter: J.Andreina
>            Priority: Minor
>             Fix For: 0.24.0
>
>
> {noformat}
> <property>
>   <name>dfs.namenode.name.dir</name>
>   <value>file://${hadoop.tmp.dir}/dfs/name</value>
>   <description>Determines where on the local filesystem the DFS name node
>       should store the name table(fsimage).  If this is a comma-delimited list
>       of directories then the name table is replicated in all of the
>       directories, for redundancy. </description>
> </property>
> {noformat}
> In the above property the description part is given as "Determines where on the local
filesystem the DFS name node should store the name table(fsimage).  " but it stores both name
table(If nametable means only fsimage) and edits file. 

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