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[MAPREDUCE-4043] Secret keys set in Credentials are not seen by tasks - MapReduce - [issue]
...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...
http://issues.apache.org/jira/browse/MAPREDUCE-4043    Author: Jason Lowe, 2012-03-24, 13:58
[MAPREDUCE-4025] AM can crash if task attempt reports bogus progress value - MapReduce - [issue]
...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...
http://issues.apache.org/jira/browse/MAPREDUCE-4025    Author: Jason Lowe, 2012-03-20, 21:52
[MAPREDUCE-4034] Unable to view task logs on history server with mapreduce.job.acl-view-job=* - MapReduce - [issue]
...With log aggregation enabled, users other than the app owner or admins are sometimes unable to view the task logs on the history server even though they are in the ACL for the app.  The...
http://issues.apache.org/jira/browse/MAPREDUCE-4034    Author: Jason Lowe, 2012-03-20, 21:52
[MAPREDUCE-4006] history server container log web UI sometimes combines stderr/stdout/syslog contents together - MapReduce - [issue]
...When log aggregation is enabled, going to the job history server UI for the AM container log can show the log contents combined together.  Examples I've seen are portions of the syslog ...
http://issues.apache.org/jira/browse/MAPREDUCE-4006    Author: Jason Lowe, 2012-03-17, 13:58
[MAPREDUCE-4005] AM container logs URL is broken for completed apps when log aggregation is enabled - MapReduce - [issue]
...With log aggregation enabled and yarn.log.server.url pointing to the job history server, the AM container logs URL for a completed application fails with the error "Cannot get container logs...
http://issues.apache.org/jira/browse/MAPREDUCE-4005    Author: Jason Lowe, 2012-03-17, 13:58
[MAPREDUCE-3977] LogAggregationService leaks log aggregator objects - MapReduce - [issue]
...LogAggregationService adds log aggregator objects to the appLogAggregators map but never removes them....
http://issues.apache.org/jira/browse/MAPREDUCE-3977    Author: Jason Lowe, 2012-03-07, 13:25
[MAPREDUCE-3964] ResourceManager does not have JVM metrics - MapReduce - [issue]
...ResourceManager is not creating a JvmMetrics instance on startup....
http://issues.apache.org/jira/browse/MAPREDUCE-3964    Author: Jason Lowe, 2012-03-06, 13:30
[MAPREDUCE-3833] Capacity scheduler queue refresh doesn't recompute queue capacities properly - MapReduce - [issue]
...Refreshing the capacity scheduler configuration (e.g.: via yarn rmadmin -refreshQueues) can fail to compute the proper absolute capacity for leaf queues....
http://issues.apache.org/jira/browse/MAPREDUCE-3833    Author: Jason Lowe, 2012-03-05, 02:49
[MAPREDUCE-3959] mapred job -status reports bad JobFile path when network ACL prevents AM access - MapReduce - [issue]
...ClientServiceDelegate checks network ACLs, and if they prevent connecting to the AM it uses a canned job status via getNotRunningJob(null, RUNNING).  The resulting output for this canne...
http://issues.apache.org/jira/browse/MAPREDUCE-3959    Author: Jason Lowe, 2012-03-02, 02:17
[MAPREDUCE-3738] NM can hang during shutdown if AppLogAggregatorImpl thread dies unexpectedly - MapReduce - [issue]
...If an AppLogAggregator thread dies unexpectedly (e.g.: uncaught exception like OutOfMemoryError in the case I saw) then this will lead to a hang during nodemanager shutdown.  The NM cal...
http://issues.apache.org/jira/browse/MAPREDUCE-3738    Author: Jason Lowe, 2012-02-26, 05:43
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