[HDFS-6105] NN web UI for DN list loads the same jmx page multiple times.

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.3.0
• Fix Version/s: 2.4.0
• Target Version/s: 2.4.0
• Hadoop Flags: Reviewed
• Assignee: Haohui Mai
• Reporter: Kihwal Lee
• Created: 14/Mar/14 15:17
• Updated: 10/Apr/14 13:11
• Resolved: 20/Mar/14 00:01

Description

When loading "Datanodes" page of the NN web UI, the same jmx query is made multiple times. For a big cluster, that's a lot of data and overhead.