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From "Eli Collins (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-3027) HA: Implement a simple NN health check
Date Wed, 29 Feb 2012 02:02:03 GMT

    [ https://issues.apache.org/jira/browse/HDFS-3027?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13218828#comment-13218828

Eli Collins commented on HDFS-3027:

Looks like NNResourceChecker#hasAvailableDiskSpace doesn't actually throw IOE so checkAvailableResources
doesn't need to either, so you can remove the new catch of IOE case in NN#healthCheck.  Otherwise
looks great.
> HA: Implement a simple NN health check
> --------------------------------------
>                 Key: HDFS-3027
>                 URL: https://issues.apache.org/jira/browse/HDFS-3027
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: ha, name-node
>    Affects Versions: HA branch (HDFS-1623)
>            Reporter: Aaron T. Myers
>            Assignee: Aaron T. Myers
>         Attachments: HDFS-3027-HDFS-1623.patch, HDFS-3027-HDFS-1623.patch
> This JIRA is to address a TODO in NameNode about actually implementing the checkHealth

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