[MAPREDUCE-3525] Shuffle benchmark is nearly 1.5x slower in 0.23

• Type: Sub-task
• Status: Closed
• Priority: Blocker
• Resolution: Fixed
• Affects Version/s: 0.23.1
• Fix Version/s: 0.23.1
• Component/s: mrv2
• Assignee: Vinod Kumar Vavilapalli
• Reporter: Karam Singh
• Created: 09/Dec/11 11:07
• Updated: 05/Mar/12 02:48
• Resolved: 22/Jan/12 18:16

Description

Shuffle benchmark is nearly 1.5X slower(almost 55% increased) in 0.23 than Hadoop-0.20.204 on 350 nodes size cluster.

Issue Links

• is blocked by: MAPREDUCE-3641 CapacityScheduler should be more conservative assigning off-switch requests