[jira] [Created] (HDFS-8296) BlockManager.getUnderReplicatedBlocksCount() is not giving correct count if namenode in safe mode.

[surendra singh lilhore (JIRA)]

surendra singh lilhore created HDFS-8296:
--------------------------------------------

             Summary:  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


{{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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