[HDFS-16568] dfsadmin -reconfig option to start/query reconfig on all live datanodes

• Type: New Feature
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.4.0, 3.3.5
• Fix Version/s: 3.4.0, 3.3.5
• Component/s: dfsadmin
• Labels: pull-request-available
• Target Version/s: 3.4.0, 3.3.5
• Hadoop Flags: Reviewed
• Assignee: Viraj Jasani
• Reporter: Viraj Jasani
• Created: 05/May/22 05:33
• Updated: 27/Jan/24 01:26
• Resolved: 11/May/22 01:42

Description

DFSAdmin provides option to initiate or query the status of reconfiguration operation on only specific host based on host:port provided by user. It would be good to provide an ability to initiate such operations in bulk, on all live datanodes.

Issue Links

• causes: HDFS-16624 Fix org.apache.hadoop.hdfs.tools.TestDFSAdmin#testAllDatanodesReconfig ERROR
• links to: GitHub Pull Request #4264