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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