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From "Hari Mankude (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-2914) HA: Standby should not enter safemode when resources are low
Date Wed, 08 Feb 2012 20:38:59 GMT

    [ https://issues.apache.org/jira/browse/HDFS-2914?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13203955#comment-13203955
] 

Hari Mankude commented on HDFS-2914:
------------------------------------

Uploaded patch. In the patch, I increased the default value of RESOURCE_CHECK_INTERVAL from
5secs to 60secs. 5secs seems to be excessive for this thread to run. If there are issues,
I can remove the fix or modify the fix if there is a better number.
                
> HA: Standby should not enter safemode when resources are low
> ------------------------------------------------------------
>
>                 Key: HDFS-2914
>                 URL: https://issues.apache.org/jira/browse/HDFS-2914
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: ha, name-node
>    Affects Versions: HA branch (HDFS-1623)
>            Reporter: Hari Mankude
>            Assignee: Hari Mankude
>         Attachments: hdfs-2914
>
>
> When shared edits dir is bounced, standby NN is put into safemode by the NameNodeResourceMonitor().
However, there is no path for it to exit out of safe mode when shared edits dir reappears.

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