[HDFS-16385] Fix Datanode retrieve slownode information bug.

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.4.0
• Fix Version/s: 3.4.0
• Component/s: datanode
• Labels: pull-request-available
• Target Version/s: 3.4.0
• Hadoop Flags: Reviewed
• Assignee: Jackson Wang
• Reporter: Jackson Wang
• Created: 15/Dec/21 09:36
• Updated: 11/Feb/24 23:23
• Resolved: 21/Dec/21 02:07

Description

in HDFS-16320, the DataNode will retrieve the SLOW status from each NameNode. 

But namenode did not set isSlowNode to HeartbeatResponseProto in DatanodeProtocolServerSideTranslatorPB#sendHeartbeat.

Issue Links

• is related to: HDFS-16320 Datanode retrieve slownode information from NameNode
• links to: GitHub Pull Request #3803