[HIVE-21846] Create a thread in TezAM which periodically fetches LlapDaemon metrics

• Type: Sub-task
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 4.0.0-alpha-1
• Component/s: llap, Tez
• Labels: pull-request-available
• Assignee: Antal Sinkovits
• Reporter: Peter Vary
• Created: 07/Jun/19 15:44
• Updated: 17/Nov/22 08:50
• Resolved: 27/Jun/19 09:32

Description

LlapTaskSchedulerService should start a thread which periodically fetches the LlapDaemon metrics and stores them in the NodeInfo object.

This should be just the first implementation - later we should find a way where we do not need NxM requests between N TezAM and M LlapDaemon

Issue Links

• links to: GitHub Pull Request #683