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[MAPREDUCE-4376] TestClusterMRNotification times out - MapReduce - [issue]
...The TestClusterMRNotification test is often timing out.  git bisect tests narrowed it down to MAPREDUCE-3921, as the test consistently passes before that change and times out most of th...
http://issues.apache.org/jira/browse/MAPREDUCE-4376    Author: Jason Lowe, 2012-07-07, 12:38
[MAPREDUCE-4361] Fix detailed metrics for protobuf-based RPC on 0.23 - MapReduce - [issue]
...RPC detailed metrics for any protobuf-based RPC ports are always zero.  ProtoOverHadoopRpcEngine needs the same detailed metric logic as in WritableRpcEngine.  This is effectively ...
http://issues.apache.org/jira/browse/MAPREDUCE-4361    Author: Jason Lowe, 2012-06-26, 12:45
[MAPREDUCE-4298] NodeManager crashed after running out of file descriptors - MapReduce - [issue]
...A node on one of our clusters fell over because it ran out of open file descriptors.  Log details with stack traceback to follow....
http://issues.apache.org/jira/browse/MAPREDUCE-4298    Author: Jason Lowe, 2012-06-18, 14:29
[MAPREDUCE-4312] Add metrics to RM for NM heartbeats - MapReduce - [issue]
...It would be nice to have a metric in the ResourceManager to track the number of NodeManager heartbeats processed.  The JobTracker in 1.0 has a tasktracker heartbeat metric, and it would...
http://issues.apache.org/jira/browse/MAPREDUCE-4312    Author: Jason Lowe, 2012-06-05, 21:20
[MAPREDUCE-3987] Reduce RM app memory footprint once app has completed - MapReduce - [issue]
...The ResourceManager holds onto a configurable number of completed applications (yarn.resource.max-completed-applications, defaults to 10000), and the memory footprint of these completed appl...
http://issues.apache.org/jira/browse/MAPREDUCE-3987    Author: Jason Lowe, 2012-04-26, 21:25
[MAPREDUCE-4151] RM scheduler web page should filter apps to those that are relevant to scheduling - MapReduce - [issue]
...On the ResourceManager's scheduler web page, the bottom of the page shows the apps block.  When the cluster has run a lot of applications (e.g.: 10,000+) loading the apps table can take...
http://issues.apache.org/jira/browse/MAPREDUCE-4151    Author: Jason Lowe, 2012-04-18, 14:06
[MAPREDUCE-4139] Potential ResourceManager deadlock when SchedulerEventDispatcher is stopped - MapReduce - [issue]
...When the main thread calls ResourceManager$SchedulerEventDispatcher.stop() it grabs a lock on the object, kicks the event processor thread, and then waits for the thread to exit.  Howev...
http://issues.apache.org/jira/browse/MAPREDUCE-4139    Author: Jason Lowe, 2012-04-17, 22:41
[MAPREDUCE-4144] ResourceManager NPE while handling NODE_UPDATE - MapReduce - [issue]
...The RM on one of our clusters has exited twice in the past few days because of an NPE while trying to handle a NODE_UPDATE:2012-04-12 02:09:01,672 FATAL org.apache.hadoop.yarn.server.resourc...
http://issues.apache.org/jira/browse/MAPREDUCE-4144    Author: Jason Lowe, 2012-04-17, 15:34
[MAPREDUCE-4099] ApplicationMaster may fail to remove staging directory - MapReduce - [issue]
...When the ApplicationMaster shuts down it's supposed to remove the staging directory, assuming properties weren't set to override this behavior. During shutdown the AM tells the ResourceManag...
http://issues.apache.org/jira/browse/MAPREDUCE-4099    Author: Jason Lowe, 2012-04-12, 14:05
[MAPREDUCE-4060] Multiple SLF4J binding warning - MapReduce - [issue]
...This is the MAPREDUCE portion of HADOOP-8005.  We should remove slf4j from the assembly and use the one provided by hadoop-common so we don't end up with multiple binding warnings for S...
http://issues.apache.org/jira/browse/MAPREDUCE-4060    Author: Jason Lowe, 2012-04-04, 14:13
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