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[MAPREDUCE-5847] Remove redundant code for fileOutputByteCounter in MapTask and ReduceTask - MapReduce - [issue]
...Both MapTask and ReduceTask carry redundant code to update BYTES_WRITTEN counter. However, Task.updateCounters uses file system stats for this....
http://issues.apache.org/jira/browse/MAPREDUCE-5847    Author: Gera Shegalov, 2015-02-05, 22:49
[MAPREDUCE-5839] Provide a boolean switch to enable LazyOutputFormat - MapReduce - [issue]
http://issues.apache.org/jira/browse/MAPREDUCE-5839    Author: Gera Shegalov, 2015-02-05, 18:46
[MAPREDUCE-5696] Add Localization counters to MR - MapReduce - [issue]
...Users are often unaware of localization cost that their jobs incur. To measure effectiveness of localization caches it is necessary to expose the overhead in the form of user-visible metrics...
http://issues.apache.org/jira/browse/MAPREDUCE-5696    Author: Gera Shegalov, 2015-02-05, 18:31
[MAPREDUCE-5648] Allow user-specified diagnostics for killed tasks and jobs - MapReduce - [issue]
...Our users and tools want to be able to supply additional custom diagnostic messages to mapreduce ClientProtocol killTask....
http://issues.apache.org/jira/browse/MAPREDUCE-5648    Author: Gera Shegalov, 2015-02-05, 18:31
[MAPREDUCE-6209] Implement a heuristic to auto-size Java heap of MRAppMaster container proportional to the job size - MapReduce - [issue]
...The size of Java heap required by the AM is linearly proportional to the size of the MR job (number of mappers/splits and reducers). it would be nice if users did not have to adjust the AM c...
http://issues.apache.org/jira/browse/MAPREDUCE-6209    Author: Gera Shegalov, 2015-01-21, 11:14
[MAPREDUCE-5802] Provide an inclusion list mapreduce.job.classloader.job.classes for the class loading isolation - MapReduce - [issue]
...MAPREDUCE-1700  introduced a way to isolate job-suplied classes in an Application Classloader.  mapreduce.job.classloader.system.classes is a way to provide an exclusion list for t...
http://issues.apache.org/jira/browse/MAPREDUCE-5802    Author: Gera Shegalov, 2014-12-21, 05:33
[MAPREDUCE-5960] JobSubmitter's check whether job.jar is local is incorrect with no authority in job jar path. - MapReduce - [issue]
...$ mapred job -submit myjob.xml 2014-07-06 15:06:34.731 java[12120:1903] Unable to load realm info from SCDynamicStore14/07/06 15:06:34 WARN util.NativeCodeLoader: Unable to load native-hadoo...
http://issues.apache.org/jira/browse/MAPREDUCE-5960    Author: Gera Shegalov, 2014-12-15, 23:06
[MAPREDUCE-4879] TeraOutputFormat may overwrite an existing output directory - MapReduce - [issue]
...Unlike FileOutputFormat, TeraOutputFormat does not prevent TeraGen/Sort jobs from writing into an existing directory, and potentially overwriting previous runs....
http://issues.apache.org/jira/browse/MAPREDUCE-4879    Author: Gera Shegalov, 2014-12-14, 15:28
[MAPREDUCE-6095] Enable DistributedCache for uber-mode Jobs - MapReduce - [issue]
...mapreduce.job.cache.local.* is not set for uber-mode jobs. TestUberAM hides the fact that DC files are not available for uber-mode jobs by overriding testDistributedCache with a nop method....
http://issues.apache.org/jira/browse/MAPREDUCE-6095    Author: Gera Shegalov, 2014-12-01, 03:11
[MAPREDUCE-5931] Validate SleepJob command line parameters - MapReduce - [issue]
...This is a minor issue per se. I had a typo in my script specifying a negative number of reducers for the SleepJob. It results in the exception that is far from the root cause, and appeared a...
http://issues.apache.org/jira/browse/MAPREDUCE-5931    Author: Gera Shegalov, 2014-12-01, 03:11
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NEW: Monitor These Apps!
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