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[MAPREDUCE-4446] AggregatedLogFormat should be marked Private / Unstable - MapReduce - [issue]
...AggregatedLogFormat is still in a state of flux, so we should mark it as Private / Unstable for clarity....
http://issues.apache.org/jira/browse/MAPREDUCE-4446    Author: Jason Lowe, 2012-07-16, 15:05
[MAPREDUCE-4392] Counters.makeCompactString() changed behavior from 0.20 - MapReduce - [issue]
...In 0.20, makeCompactString() returned a comma-separated list, but MAPREDUCE-3697 changed it to be equivalent to makeEscapedCompactString().  Users moving from 0.20 to 0.23 are expecting...
http://issues.apache.org/jira/browse/MAPREDUCE-4392    Author: Jason Lowe, 2012-07-10, 20:26
[MAPREDUCE-4402] TestFileInputFormat fails intermittently - MapReduce - [issue]
...TestFileInputFormat#testLocality is failing intermittently when verifying each file split has two block locations....
http://issues.apache.org/jira/browse/MAPREDUCE-4402    Author: Jason Lowe, 2012-07-10, 20:26
[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
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