[SPARK-19757] Executor with task scheduled could be killed due to idleness

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 1.6.0
• Fix Version/s: 2.2.0
• Component/s: Scheduler, Spark Core
• Assignee: Jimmy Xiang
• Reporter: Jin Xing
• Created: 28/Feb/17 00:15
• Updated: 28/Mar/17 02:27
• Resolved: 09/Mar/17 18:53

Description

With dynamic executor allocation enabled on yarn mode, after one job is finished for a while, submit another job, then there is race between killing idle executors and scheduling new task on these executors. Sometimes, some executor is killed right after a task is scheduled on it.

Issue Links

• links to: [Github] Pull Request #17091 (jxiang)