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Vinod Kumar Vavilapalli
Arun C Murthy
Robert Joseph Evans
Vinay Kumar Thota
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[MAPREDUCE-5957] AM throws ClassNotFoundException with job classloader enabled if custom output format/committer is used
...With the job classloader enabled, the MR AM throws ClassNotFoundException if a custom output format class is specified.org.apache.hadoop.yarn.exceptions.YarnRuntimeException: java.lang.Runti...
, 2014-09-03, 20:49
[MAPREDUCE-5751] MR app master fails to start in some cases if mapreduce.job.classloader is true
...If mapreduce.job.classloader is set to true, and the MR client includes a jetty jar in its libjars or job jar, the MR app master fails to start. A typical stack trace we get is as follows:ja...
, 2014-07-02, 06:12
[MAPREDUCE-5841] uber job doesn't terminate on getting mapred job kill
...If you issue a "mapred job -kill" against a uberized job, the job (and the yarn application) state transitions to KILLED, but the application master process continues to run. The job actuall...
, 2014-06-30, 09:18
[MAPREDUCE-5662] implement the support for using the shared cache for the job jar and libjars
, 2014-03-06, 19:21
[MAPREDUCE-5744] Job hangs because RMContainerAllocator$AssignedRequests.preemptReduce() violates the comparator contract
...We ran into a situation where tasks are not getting assigned because RMContainerAllocator$AssignedRequests.preemptReduce() fails repeatedly with the following exception:2014-02-06 16:43:45,1...
, 2014-02-28, 21:35
[MAPREDUCE-5186] mapreduce.job.max.split.locations causes some splits created by CombineFileInputFormat to fail
...CombineFileInputFormat can easily create splits that can come from many different locations (during the last pass of creating "global" splits). However, we observe that this often runs afoul...
, 2014-01-28, 23:33
[MAPREDUCE-5046] backport MAPREDUCE-1423 to mapred.lib.CombineFileInputFormat
...The CombineFileInputFormat class in org.apache.hadoop.mapred.lib (the old API) has a couple of issues. These issues were addressed in the new API (MAPREDUCE-1423), but the old class was not ...
, 2013-05-06, 03:56
[MAPREDUCE-5146] application classloader may be used too early to load classes
...At least in the case of YarnChild, the application classloader is set fairly early (both in Configuration and as a TCCL). This has an effect of using the application classloader unexpectedly...
, 2013-04-23, 15:07
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