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[MAPREDUCE-4312] Add metrics to RM for NM heartbeats - MapReduce - [issue]
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...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...
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http://issues.apache.org/jira/browse/MAPREDUCE-4312
Author: Jason Lowe,
2012-06-05, 21:20
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[MAPREDUCE-3987] Reduce RM app memory footprint once app has completed - MapReduce - [issue]
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...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...
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http://issues.apache.org/jira/browse/MAPREDUCE-3987
Author: Jason Lowe,
2012-04-26, 21:25
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[MAPREDUCE-4151] RM scheduler web page should filter apps to those that are relevant to scheduling - MapReduce - [issue]
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...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...
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http://issues.apache.org/jira/browse/MAPREDUCE-4151
Author: Jason Lowe,
2012-04-18, 14:06
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[MAPREDUCE-4139] Potential ResourceManager deadlock when SchedulerEventDispatcher is stopped - MapReduce - [issue]
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...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...
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http://issues.apache.org/jira/browse/MAPREDUCE-4139
Author: Jason Lowe,
2012-04-17, 22:41
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[MAPREDUCE-4144] ResourceManager NPE while handling NODE_UPDATE - MapReduce - [issue]
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...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...
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http://issues.apache.org/jira/browse/MAPREDUCE-4144
Author: Jason Lowe,
2012-04-17, 15:34
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[MAPREDUCE-4099] ApplicationMaster may fail to remove staging directory - MapReduce - [issue]
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...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...
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http://issues.apache.org/jira/browse/MAPREDUCE-4099
Author: Jason Lowe,
2012-04-12, 14:05
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[MAPREDUCE-4060] Multiple SLF4J binding warning - MapReduce - [issue]
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...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...
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http://issues.apache.org/jira/browse/MAPREDUCE-4060
Author: Jason Lowe,
2012-04-04, 14:13
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[MAPREDUCE-4081] TestMROutputFormat.java does not compile - MapReduce - [issue]
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...[ERROR] /hadoop/src/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapreduce/TestMROutputFormat.java:[36,7]...
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http://issues.apache.org/jira/browse/MAPREDUCE-4081
Author: Jason Lowe,
2012-03-30, 13:59
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[MAPREDUCE-4043] Secret keys set in Credentials are not seen by tasks - MapReduce - [issue]
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...The following scenario works in 0.20.205 but no longer works in 0.23:1) During job submission, a secret key is set by calling jobConf.getCredentials().addSecretKey(Text, byte[])2) A map task...
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http://issues.apache.org/jira/browse/MAPREDUCE-4043
Author: Jason Lowe,
2012-03-24, 13:58
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[MAPREDUCE-4025] AM can crash if task attempt reports bogus progress value - MapReduce - [issue]
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...If a task attempt reports a bogus progress value (e.g.: something above 1.0) then the AM can crash like this:java.lang.ArrayIndexOutOfBoundsException: 12 at org.apache.hadoop.mapred.Periodic...
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http://issues.apache.org/jira/browse/MAPREDUCE-4025
Author: Jason Lowe,
2012-03-20, 21:52
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