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[MAPREDUCE-5891] Improved shuffle error handling across NM restarts - MapReduce - [issue]
...To minimize the number of map fetch failures reported by reducers across an NM restart it would be nice if reducers only reported a fetch failure after trying for at specified period of time...
http://issues.apache.org/jira/browse/MAPREDUCE-5891    Author: Jason Lowe, 2014-08-30, 07:07
[MAPREDUCE-2841] Task level native optimization - MapReduce - [issue]
...I'm recently working on native optimization for MapTask based on JNI. The basic idea is that, add a NativeMapOutputCollector to handle k/v pairs emitted by mapper, therefore sort, spill, IFi...
http://issues.apache.org/jira/browse/MAPREDUCE-2841    Author: Binglin Chang, 2014-08-29, 23:49
[MAPREDUCE-5931] Validate SleepJob command line parameters - MapReduce - [issue]
...This is a minor issue per se. I had a typo in my script specifying a negative number of reducers for the SleepJob. It results in the exception that is far from the root cause, and appeared a...
http://issues.apache.org/jira/browse/MAPREDUCE-5931    Author: Gera Shegalov, 2014-08-29, 20:54
[MAPREDUCE-5977] Fix or suppress native-task gcc warnings - MapReduce - [issue]
...Currently, building the native task code on gcc 4.8 has a fair number of warnings. We should fix or suppress them so that new warnings are easier to see....
http://issues.apache.org/jira/browse/MAPREDUCE-5977    Author: Todd Lipcon, 2014-08-29, 12:47
[MAPREDUCE-5050] Cannot find partition.lst in Terasort on Hadoop/Local File System - MapReduce - [issue]
...I'm trying to simulate running Hadoop on Lustre by configuring it to use the local file system using a single cloudera VM (cdh3u4).I can generate the data just fine, but when running the sor...
http://issues.apache.org/jira/browse/MAPREDUCE-5050    Author: Matt Parker, 2014-08-29, 10:46
[MAPREDUCE-6056] nativetask: move system test working dir to target dir and cleanup test config xml files - MapReduce - [issue]
http://issues.apache.org/jira/browse/MAPREDUCE-6056    Author: Binglin Chang, 2014-08-29, 10:19
[MAPREDUCE-5528] TeraSort fails with "can't read paritions file" - does not read partition file from distributed cache - MapReduce - [issue]
...I was trying to run TeraSort against a parallel networked file system, setting things up via the 'file://" scheme.  I always got the following error when running terasort:13/09/23 11:15...
http://issues.apache.org/jira/browse/MAPREDUCE-5528    Author: Albert Chu, 2014-08-29, 09:20
[MAPREDUCE-6058] native-task: KVTest and LargeKVTest should check mr job is sucessful - MapReduce - [issue]
...When running KVTest and LargeKVTest, if the job failed for some reason(lack libhadoop.so etc), both native and normal job failed, and both compare empty output directory, so the test passes ...
http://issues.apache.org/jira/browse/MAPREDUCE-6058    Author: Binglin Chang, 2014-08-29, 06:34
[MAPREDUCE-5465] Container killed before hprof dumps profile.out - MapReduce - [issue]
...If there is profiling enabled for mapper or reducer then hprof dumps profile.out at process exit. It is dumped after task signaled to AM that work is finished.AM kills container with finishe...
http://issues.apache.org/jira/browse/MAPREDUCE-5465    Author: Radim Kolar, 2014-08-29, 06:09
[MAPREDUCE-6061] Fix MR_CLIENT_TO_AM_IPC_MAX_RETRIES_ON_TIMEOUTS property in MRJobConfig - MapReduce - [issue]
...The property MR_CLIENT_TO_AM_IPC_MAX_RETRIES_ON_TIMEOUTS is defined as:  MR_PREFIX + "yarn.app.mapreduce.client-am.ipc.max-retries-on-timeouts"which results in the prefix part show...
http://issues.apache.org/jira/browse/MAPREDUCE-6061    Author: Ray Chiang, 2014-08-29, 05:37
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