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[MAPREDUCE-2266] JvmManager sleeps between SIGTERM and SIGKILL while holding many TT locks - MapReduce - [issue]
...Between sending a task SIGTERM and SIGKILL, the JvmManager will sleep for sleepTimeBeforeSigKill millis. But in many call heirarchies this is done while holding important locks like the TT l...
http://issues.apache.org/jira/browse/MAPREDUCE-2266    Author: Todd Lipcon, 2011-12-12, 06:09
[MAPREDUCE-2268] With JVM reuse, JvmManager doesn't delete last workdir properly - MapReduce - [issue]
...In JvmManager, when a Jvm exits, it tries to delete the workdir for initalContext.task which is null, hence throwing NPE. Currently this NPE is swallowed into the abyss.We should catch excep...
http://issues.apache.org/jira/browse/MAPREDUCE-2268    Author: Todd Lipcon, 2011-12-12, 06:09
Re: Multiple resource requests for a given node (or all nodes)? - MapReduce - [mail # dev]
...On Sat, Dec 10, 2011 at 12:23 PM, Patrick Wendell  wrote:   My hunch is that this was overlooked because the resource sizes for MR are basically set on a per-task-type level. That ...
   Author: Todd Lipcon, 2011-12-11, 00:21
[MAPREDUCE-3238] Small cleanup in SchedulerApp - MapReduce - [issue]
...While reading this code, I did a little bit of cleanup: added some javadoc rather than using a Map<Priority, Integer> for keeping counts, switched to Guava's HashMultiset, which makes ...
http://issues.apache.org/jira/browse/MAPREDUCE-3238    Author: Todd Lipcon, 2011-11-28, 13:32
[MAPREDUCE-3265] Reduce log level on MR2 IPC construction, etc - MapReduce - [issue]
...Currently MR's IPC logging is very verbose. For example, I see a lot of:11/10/25 12:14:06 INFO ipc.YarnRPC: Creating YarnRPC for org.apache.hadoop.yarn.ipc.HadoopYarnProtoRPC11/10/25 12:14:0...
http://issues.apache.org/jira/browse/MAPREDUCE-3265    Author: Todd Lipcon, 2011-11-24, 13:32
[MAPREDUCE-2324] Job should fail if a reduce task can't be scheduled anywhere - MapReduce - [issue]
...If there's a reduce task that needs more disk space than is available on any mapred.local.dir in the cluster, that task will stay pending forever. For example, we produced this in a QA clust...
http://issues.apache.org/jira/browse/MAPREDUCE-2324    Author: Todd Lipcon, 2011-11-23, 18:11
Re: Hadoop-Mapreduce-0.23-Commit - Build # 201 - Still Failing - MapReduce - [mail # dev]
...Anyone working on fixing these builds? Seems like the ant build isn't properly pulling in the maven dependencies anymore...  On Sun, Nov 20, 2011 at 10:17 PM, Apache Jenkins Server &nbs...
   Author: Todd Lipcon, 2011-11-21, 07:00
[MAPREDUCE-3405] MAPREDUCE-3015 broke compilation of contrib scheduler tests - MapReduce - [issue]
...MAPREDUCE-3015 added a new argument to the TaskTrackerStatus constructor, which is used by a few of the scheduler tests, but didn't update those tests. So, the contrib test build is now fail...
http://issues.apache.org/jira/browse/MAPREDUCE-3405    Author: Todd Lipcon, 2011-11-15, 22:36
[HADOOP-7078] Add better javadocs for RawComparator interface - MapReduce - [issue]
...The RawComparator interface is very important to understand for users implementing their own serialization classes. Right now the javadoc is woefully sparse. We should improve that....
http://issues.apache.org/jira/browse/HADOOP-7078    Author: Todd Lipcon, 2011-11-15, 00:50
[MAPREDUCE-2573] New findbugs warning after MAPREDUCE-2494 - MapReduce - [issue]
...MAPREDUCE-2494 introduced the following findbugs warning in trunk:TrackerDistributedCacheManager.java:739, SIC_INNER_SHOULD_BE_STATIC, Priority: LowShould org.apache.hadoop.mapreduce.filecac...
http://issues.apache.org/jira/browse/MAPREDUCE-2573    Author: Todd Lipcon, 2011-11-15, 00:50
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