[YARN-6242] [Umbrella] Miscellaneous Scheduler Performance Improvements - ASF JIRA

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Details

Type: Bug
Status: Open
Priority: Major
Resolution: Unresolved
Affects Version/s: None
Fix Version/s: None
Component/s: None
Labels:
None

Description

There're some performance issues of scheduler. YARN-3091 is majorly targeted to solve locking issues of scheduler, Let's use this JIRA to track non-locking issues.

Attachments

Issue Links

relates to

YARN-5479 FairScheduler: Scheduling performance improvement

Open

Sub-Tasks

1.	Add FinalResource object to reduce overhead of Resource class instancing	Open	Unassigned
2.	FairScheduler: FSLeafQueue.fetchAppsWithDemand CPU usage is high with big queues	Patch Available	YunFan Zhou
3.	ChildQueue can override AbstractCSQueue.hasChildQueues to return false always	Patch Available	Naganarasimha G R
4.	Filter non-existent resource requests actively	Patch Available	Zhaohui Xin

Activity

People

Assignee:: Unassigned

Reporter:: Wangda Tan

Votes:: 0 Vote for this issue

Watchers:: 21 Start watching this issue

Dates

Created:: 27/Feb/17 21:47

Updated:: 20/Mar/17 18:19