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From "Kihwal Lee (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-4862) SafeModeInfo.isManual() returns true when resources are low even if it wasn't entered into manually
Date Fri, 07 Jun 2013 01:26:20 GMT

     [ https://issues.apache.org/jira/browse/HDFS-4862?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Kihwal Lee updated HDFS-4862:
-----------------------------

       Resolution: Fixed
    Fix Version/s: 0.23.9
                   2.1.0-beta
                   3.0.0
     Hadoop Flags: Reviewed
           Status: Resolved  (was: Patch Available)

I've committed this to trunk, branch-2.1.0, branch-2 and branch-0.23. Thanks fot the patch,
Ravi.
                
> SafeModeInfo.isManual() returns true when resources are low even if it wasn't entered
into manually
> ---------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-4862
>                 URL: https://issues.apache.org/jira/browse/HDFS-4862
>             Project: Hadoop HDFS
>          Issue Type: Bug
>    Affects Versions: 3.0.0, 0.23.7, 2.0.4-alpha
>            Reporter: Ravi Prakash
>            Assignee: Ravi Prakash
>             Fix For: 3.0.0, 2.1.0-beta, 0.23.9
>
>         Attachments: HDFS-4862.branch-0.23.patch, HDFS-4862.branch-0.23.patch, HDFS-4862.branch-0.23.patch,
HDFS-4862.patch, HDFS-4862.patch, HDFS-4862.patch, HDFS-4862.patch, HDFS-4862.patch, HDFS-4862.patch
>
>
> HDFS-1594 changed isManual to this
> {code}
> private boolean isManual() {
>   return extension == Integer.MAX_VALUE && !resourcesLow;
> }
> {code}
> One immediate impact of this is that when resources are low, the NN will throw away all
block reports from DNs. This is undesirable.

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