[HDFS-13874] While there be mass Replication Queue Initializer thread

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Not A Problem
• Affects Version/s: 2.6.0
• Component/s: namenode
• Assignee: Unassigned
• Reporter: 袁枫
• Created: 28/Aug/18 08:45
• Updated: 28/Aug/18 09:23
• Resolved: 28/Aug/18 09:23

Description

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