[HIVE-14608] LLAP: slow scheduling due to LlapTaskScheduler not removing nodes on kill

• Type: Bug
• Status: Closed
• Priority: Critical
• Resolution: Fixed
• Fix Version/s: 2.1.1, 2.2.0
• Assignee: Sergey Shelukhin
• Reporter: Sergey Shelukhin
• Created: 23/Aug/16 01:05
• Updated: 08/Dec/16 14:09
• Resolved: 08/Sep/16 02:10

Description

See comments; this can result in a slowdown esp. if some critical task gets unlucky.

  public void workerNodeRemoved(ServiceInstance serviceInstance) {
     // FIXME: disabling this for now
// instanceToNodeMap.remove(serviceInstance.getWorkerIdentity());

Issue Links

• is cloned by: HIVE-14699 LLAP: LlapTaskScheduler does not remove nodes on kill