[AMBARI-20763] Update YARN's ATS configs 'apptimelineserver_heapsize' and 'yarn.timeline-service.entity-group-fs-store.app-cache-size' logic in 2.6.

• Type: Bug
• Status: Resolved
• Priority: Critical
• Resolution: Fixed
• Affects Version/s: trunk, 2.5.0
• Fix Version/s: trunk, 2.5.1
• Component/s: ambari-server
• Assignee: Swapan Shridhar
• Reporter: Swapan Shridhar
• Created: 13/Apr/17 21:56
• Updated: 16/Feb/18 13:14
• Resolved: 13/Apr/17 23:09

Description

In 2.6, update the following YARN configs related to ATS:

• 'yarn.timeline-service.entity-group-fs-store.app-cache-size' on cluster initialization/creation based on host memory.
• 'apptimelineserver_heapsize' on : (1). cluster initialization/creation and/or (2). when a change is detected in value for 'yarn.timeline-service.entity-group-fs-store.app-cache-size', using formula:

   ats_heapsize = long(min(math.floor(host_mem/2), long(yarn_timeline_app_cache_size) * 500 + 3072))  // Value in MB
     

Issue Links

• links to: Reviewboard Link - branch-2.5
• links to: Reviewboard Link - trunk