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T Patch Info Key Summary Assignee Reporter P Status Resolution Created Updated Due Development
Sub-task MAPREDUCE-3838

MAPREDUCE-3561 MapReduce job submission time has increased in 0.23 when compared to 0.20.206

Unassigned Amar Kamat Major Open Unresolved  
Sub-task MAPREDUCE-3831

MAPREDUCE-3561 RM scalability runtime is worse than 0.20.204 by 14.2%

Unassigned Vinay Kumar Thota Major Resolved Fixed  
Sub-task MAPREDUCE-3827

MAPREDUCE-3561 Counters aggregation slowed down significantly after MAPREDUCE-3749

Vinod Kumar Vavilapalli Vinod Kumar Vavilapalli Blocker Closed Fixed  
Sub-task MAPREDUCE-3823

MAPREDUCE-3561 Counters are getting calculated twice at job-finish and delaying clients.

Vinod Kumar Vavilapalli Vinod Kumar Vavilapalli Major Closed Fixed  
Sub-task MAPREDUCE-3815

MAPREDUCE-3561 Data Locality suffers if the AM asks for containers using IPs instead of hostnames

Siddharth Seth Siddharth Seth Critical Closed Fixed  
Sub-task MAPREDUCE-3813

MAPREDUCE-3561 RackResolver should maintain a cache to avoid repetitive lookups.

Vinod Kumar Vavilapalli Vinod Kumar Vavilapalli Major Closed Fixed  
Sub-task MAPREDUCE-3812

MAPREDUCE-3561 Lower default allocation sizes, fix allocation configurations and document them

Harsh J Vinod Kumar Vavilapalli Major Closed Fixed  
Sub-task MAPREDUCE-3810

MAPREDUCE-3561 MR AM's ContainerAllocator is assigning the allocated containers very slowly

Vinod Kumar Vavilapalli Vinod Kumar Vavilapalli Blocker Closed Fixed  
Sub-task MAPREDUCE-3809

MAPREDUCE-3561 Tasks may take upto 3 seconds to exit after completion

Siddharth Seth Siddharth Seth Blocker Closed Fixed  
Sub-task MAPREDUCE-3719

MAPREDUCE-3561 Make gridmix performance on YARN+MR to match or exceed that on 1.0

Unassigned Vinod Kumar Vavilapalli Major Resolved Fixed  
Sub-task MAPREDUCE-3718

MAPREDUCE-3561 Default AM heartbeat interval should be one second

Hitesh Shah Vinod Kumar Vavilapalli Major Closed Fixed  
Sub-task MAPREDUCE-3671

MAPREDUCE-3561 AM-NM RPC calls occasionally takes a long time to respond

Unassigned Siddharth Seth Major Open Unresolved  
Sub-task MAPREDUCE-3641

MAPREDUCE-3561 CapacityScheduler should be more conservative assigning off-switch requests

Arun Murthy Arun Murthy Blocker Closed Fixed  
Sub-task MAPREDUCE-3628

MAPREDUCE-3561 DFSIO read throughput is decreased by 16% in 0.23.1 than Hadoop-0.20.204 on 350 nodes size cluster.

Vinod Kumar Vavilapalli Amol Kekre Major Resolved Fixed  
Sub-task MAPREDUCE-3618

MAPREDUCE-3561 TaskHeartbeatHandler holds a global lock for all task-updates

Siddharth Seth Siddharth Seth Major Closed Fixed  
Sub-task MAPREDUCE-3616

MAPREDUCE-3561 Thread pool for launching containers in MR AM not expanding as expected

Vinod Kumar Vavilapalli Vinod Kumar Vavilapalli Major Closed Fixed  
Sub-task MAPREDUCE-3572

MAPREDUCE-3561 MR AM's dispatcher is blocked by heartbeats to ResourceManager

Vinod Kumar Vavilapalli Vinod Kumar Vavilapalli Critical Closed Fixed  
Sub-task MAPREDUCE-3569

MAPREDUCE-3561 TaskAttemptListener holds a global lock for all task-updates

Vinod Kumar Vavilapalli Vinod Kumar Vavilapalli Critical Closed Fixed  
Sub-task MAPREDUCE-3568

MAPREDUCE-3561 Optimize Job's progress calculations in MR AM

Vinod Kumar Vavilapalli Vinod Kumar Vavilapalli Critical Closed Fixed  
Sub-task MAPREDUCE-3567

MAPREDUCE-3561 Extraneous JobConf objects in AM heap

Vinod Kumar Vavilapalli Vinod Kumar Vavilapalli Major Closed Fixed  
Sub-task MAPREDUCE-3566

MAPREDUCE-3561 MR AM slows down due to repeatedly constructing ContainerLaunchContext

Vinod Kumar Vavilapalli Vinod Kumar Vavilapalli Critical Closed Fixed  
Sub-task MAPREDUCE-3534

MAPREDUCE-3561 Compression benchmark run-time increased by 13% in 0.23

Vinod Kumar Vavilapalli Vinay Kumar Thota Blocker Closed Fixed  
Sub-task MAPREDUCE-3525

MAPREDUCE-3561 Shuffle benchmark is nearly 1.5x slower in 0.23

Vinod Kumar Vavilapalli Karam Singh Blocker Closed Fixed  
Sub-task MAPREDUCE-3524

MAPREDUCE-3561 Scan benchmark is more than 1.5x slower in 0.23

Unassigned Karam Singh Blocker Resolved Fixed  
Sub-task MAPREDUCE-3512

MAPREDUCE-3561 Batch jobHistory disk flushes

Siddharth Seth Siddharth Seth Blocker Closed Fixed  
Sub-task MAPREDUCE-3511

MAPREDUCE-3561 Counters occupy a good part of AM heap

Vinod Kumar Vavilapalli Siddharth Seth Blocker Closed Fixed  
Sub-task MAPREDUCE-3476

MAPREDUCE-3561 Optimize YARN API calls

Vinod Kumar Vavilapalli Ravi Prakash Major Resolved Later  
Sub-task MAPREDUCE-3402

MAPREDUCE-3561 AMScalability test of Sleep job with 100K 1-sec maps regressed into running very slowly

Vinod Kumar Vavilapalli Vinod Kumar Vavilapalli Blocker Closed Fixed  
Sub-task MAPREDUCE-3399

MAPREDUCE-3561 ContainerLocalizer should request new resources after completing the current one

Siddharth Seth Siddharth Seth Blocker Closed Fixed  

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