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From "SreeHari (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-2704) NameNodeResouceChecker#checkAvailableResources should check for inodes
Date Fri, 13 Apr 2012 05:59:17 GMT

    [ https://issues.apache.org/jira/browse/HDFS-2704?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13253149#comment-13253149
] 

SreeHari commented on HDFS-2704:
--------------------------------

Is a low number of fs inodes a problem for namenode ? Since namenode doesn't create new files
in the local filesystem (unlike datanode) while it is running , will it be fine if we put
nn into safe mode when system run out of inodes ? Or are we talking about just logging a warning
? 
                
> NameNodeResouceChecker#checkAvailableResources should check for inodes
> ----------------------------------------------------------------------
>
>                 Key: HDFS-2704
>                 URL: https://issues.apache.org/jira/browse/HDFS-2704
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: name-node
>    Affects Versions: 0.24.0
>            Reporter: Eli Collins
>            Assignee: SreeHari
>
> NameNodeResouceChecker#checkAvailableResources currently just checks for free space.
However inodes are also a file system resource that needs to be available (you can run out
of inodes but have free space).

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