[MAPREDUCE-3572] MR AM's dispatcher is blocked by heartbeats to ResourceManager - ASF JIRA

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Details

Type: Sub-task
Status: Closed
Priority: Critical
Resolution: Fixed
Affects Version/s: 0.23.0
Fix Version/s: 0.23.1
Component/s: mr-am, mrv2, performance
Labels:
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Description

All the heartbeat processing is done in RMContainerAllocator locking the object. The event processing is also locked on this, causing the dispatcher to be blocked and the rest of the AM getting stalled.

The event processing should be in a separate thread.

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MAPREDUCE-3572-20120104.txt
04/Jan/12 18:07
9 kB
Vinod Kumar Vavilapalli
MAPREDUCE-3572-20111215.txt
16/Dec/11 01:12
5 kB
Vinod Kumar Vavilapalli

Activity

People

Assignee:: Vinod Kumar Vavilapalli

Reporter:: Vinod Kumar Vavilapalli

Votes:: 0 Vote for this issue

Watchers:: 1 Start watching this issue

Dates

Created:: 16/Dec/11 01:08

Updated:: 05/Mar/12 02:49

Resolved:: 05/Jan/12 01:38