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[MAPREDUCE-4778] Fair scheduler event log is only written if directory exists on HDFS - MapReduce - [issue]
...The fair scheduler event log is supposed to be written to the local filesystem, at {hadoop.log.dir}/fairscheduler.  The event log will not be written unless this directory exists on HDF...
http://issues.apache.org/jira/browse/MAPREDUCE-4778    Author: Sandy Ryza, 2013-02-15, 13:10
[MAPREDUCE-4845] ClusterStatus.getMaxMemory() and getUsedMemory() exist in MR1 but not MR2 - MapReduce - [issue]
...For backwards compatibility, these methods should exist in both MR1 and MR2.Confusingly, these methods return the max memory and used memory of the jobtracker, not the entire cluster.I'd pro...
http://issues.apache.org/jira/browse/MAPREDUCE-4845    Author: Sandy Ryza, 2013-02-15, 13:10
[MAPREDUCE-4922] Request with multiple data local nodes can cause NPE in AppSchedulingInfo - MapReduce - [issue]
...With the way that the schedulers work, each request for a container on a node must consist of 3 ResourceRequests - one on the node, one on the rack, and one with *.AppSchedulingInfo tracks t...
http://issues.apache.org/jira/browse/MAPREDUCE-4922    Author: Sandy Ryza, 2013-02-08, 22:44
[MAPREDUCE-4984] AM leaves unwanted node/rack requests after container has been assigned - MapReduce - [issue]
...Consider the following situation:node1, node2, and node3 are all on rack1task1 is submitted with resource requests on node1, node2, rack1, and *task2 is submitted with resource requests on n...
http://issues.apache.org/jira/browse/MAPREDUCE-4984    Author: Sandy Ryza, 2013-02-06, 23:59
[MAPREDUCE-4949] Enable multiple pi jobs to run in parallel - MapReduce - [issue]
...Currently the hadoop pi example uses a hardcoded temporary directory to store its inputs and outputs.  This makes it so that only one pi job can run at a time, and that if it is cancell...
http://issues.apache.org/jira/browse/MAPREDUCE-4949    Author: Sandy Ryza, 2013-02-02, 12:40
[MAPREDUCE-4965] In merge, no ordering defined for CompressAwarePath - MapReduce - [issue]
...MAPREDUCE-2264 replaced Paths used in the merge with CompressAwarePaths. In MergeManagerImpl, onDiskMapOutputs is maintained as a TreeSet of CompressAwarePaths, but CompressAwarePath does no...
http://issues.apache.org/jira/browse/MAPREDUCE-4965    Author: Sandy Ryza, 2013-01-28, 18:56
[MAPREDUCE-4962] jobdetails.jsp uses display name instead of real name to get counters - MapReduce - [issue]
...jobdetails.jsp displays details for a job including its counters.  Counters may have different real names and display names, but the display names are used to look the counter values up...
http://issues.apache.org/jira/browse/MAPREDUCE-4962    Author: Sandy Ryza, 2013-01-26, 20:34
[MAPREDUCE-4929] mapreduce.task.timeout is ignored - MapReduce - [issue]
...In MR1, only mapred.task.timeout works.  Both should be made to work....
http://issues.apache.org/jira/browse/MAPREDUCE-4929    Author: Sandy Ryza, 2013-01-23, 11:07
[MAPREDUCE-4952] FSSchedulerNode is always instantiated with a 0 virtual core capacity - MapReduce - [issue]
...After YARN-2, FSSchedulerNode was not updated to initialize with the underlying RMNode's CPU capacity, and thus always has 0 virtual cores....
http://issues.apache.org/jira/browse/MAPREDUCE-4952    Author: Sandy Ryza, 2013-01-21, 17:41
[MAPREDUCE-4923] Add toString method to TaggedInputSplit - MapReduce - [issue]
...Per MAPREDUCE-3678, map task logs now contain information about the input split being processed.  Because TaggedInputSplit has no overridden toString method, nothing useful gets printed...
http://issues.apache.org/jira/browse/MAPREDUCE-4923    Author: Sandy Ryza, 2013-01-18, 14:04
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elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB