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Posted to hdfs-dev@hadoop.apache.org by "Feng Yuan (JIRA)" <ji...@apache.org> on 2018/08/28 08:46:00 UTC

[jira] [Created] (HDFS-13874) While there be mass Replication Queue Initializer thread

Feng Yuan created HDFS-13874:
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             Summary: While there be mass Replication Queue Initializer thread
                 Key: HDFS-13874
                 URL: https://issues.apache.org/jira/browse/HDFS-13874
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: namenode
    Affects Versions: 2.6.0
            Reporter: Feng Yuan


I see dn register pipeline if it is a new dn, then will tick a thread named "Replication Queue Initializer thread".
You can see DatanodeManager#checkIfClusterIsNowMultiRack




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