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https://issues.apache.org/jira/browse/HDFS-8296?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Surendra Singh Lilhore updated HDFS-8296:
-----------------------------------------
    Resolution: Not A Problem
        Status: Resolved  (was: Patch Available)

>  BlockManager.getUnderReplicatedBlocksCount() is not giving correct count if 
> namenode in safe mode.
> ---------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-8296
>                 URL: https://issues.apache.org/jira/browse/HDFS-8296
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: namenode
>    Affects Versions: 2.6.0
>            Reporter: Surendra Singh Lilhore
>            Assignee: Surendra Singh Lilhore
>              Labels: BB2015-05-RFC
>         Attachments: HDFS-8296.patch
>
>
> {{underReplicatedBlocksCount}} update by the {{updateState()}} API.
> {code}
>  void updateState() {
>     pendingReplicationBlocksCount = pendingReplications.size();
>     underReplicatedBlocksCount = neededReplications.size();
>     corruptReplicaBlocksCount = corruptReplicas.size();
>   }
>  {code}
>  but this will not call when NN in safe mode. This is happening because 
> "computeDatanodeWork()" we will return 0 if NN in safe mode 
>  {code}
>   int computeDatanodeWork() {
>    .........
>     if (namesystem.isInSafeMode()) {
>       return 0;
>     }
>     ....................
>     ....................
>     this.updateState();
>     ....................
>     ....................
>   }
>  {code}



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