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[MAPREDUCE-5484] YarnChild unnecessarily loads job conf twice - MapReduce - [issue]
...In MR task processes, a JobConf is instantiated with the same job.xml twice, once at the beginning of main() and once in configureTask.  IIUC, the second instantiation is not necessary....
http://issues.apache.org/jira/browse/MAPREDUCE-5484    Author: Sandy Ryza, 2013-08-30, 15:45
[MAPREDUCE-4994] -jt generic command line option does not work - MapReduce - [issue]
...hadoop jar myjar.jar MyDriver -fs file:/// -jt local input.txt output/should run a job using the local file system and the local job runner. Instead it tries to connect to a jobtracker.hadoo...
http://issues.apache.org/jira/browse/MAPREDUCE-4994    Author: Sandy Ryza, 2013-08-27, 23:22
[MAPREDUCE-5372] ControlledJob#getMapredJobID capitalization is inconsistent between MR1 and MR2 - MapReduce - [issue]
...In MR2, the 'd' in Id is lowercase, but in MR1, it is capitalized.  While ControlledJob is marked as Evolving, there is no reason to be inconsistent here....
http://issues.apache.org/jira/browse/MAPREDUCE-5372    Author: Sandy Ryza, 2013-08-23, 19:51
[MAPREDUCE-5403] MR changes to accommodate yarn.application.classpath being moved to the server-side - MapReduce - [issue]
...yarn.application.classpath is a confusing property because it is used by MapReduce and not YARN, and MapReduce already has mapreduce.application.classpath, which provides the same functional...
http://issues.apache.org/jira/browse/MAPREDUCE-5403    Author: Sandy Ryza, 2013-07-25, 21:10
[MAPREDUCE-5382] LocalJobRunner should use default FS for system and staging dirs by default - MapReduce - [issue]
...For local jobs, staging dirs and system dirs are currently required to be placed on the local FS. I am continually bitten by permissions errors when I set mapreduce.jobtracker.staging.root.d...
http://issues.apache.org/jira/browse/MAPREDUCE-5382    Author: Sandy Ryza, 2013-07-11, 19:45
[MAPREDUCE-5365] Set mapreduce.job.classloader to true by default - MapReduce - [issue]
...MAPREDUCE-1700 introduced the mapreduce.job.classpath option, which uses a custom classloader to separate system classes from user classes.  It seems like there are only rare cases when...
http://issues.apache.org/jira/browse/MAPREDUCE-5365    Author: Sandy Ryza, 2013-07-02, 07:51
[MAPREDUCE-5171] Expose blacklisted nodes from the MR AM REST API - MapReduce - [issue]
...It would be useful to expose some the list of nodes that an MR AM has blacklisted....
http://issues.apache.org/jira/browse/MAPREDUCE-5171    Author: Sandy Ryza, 2013-06-17, 15:08
[MAPREDUCE-4676] Add test for job history cleaner - MapReduce - [issue]
...Add a test to TestJobHistory that verifies that the HistoryCleaner cleans up the job history...
http://issues.apache.org/jira/browse/MAPREDUCE-4676    Author: Sandy Ryza, 2013-06-12, 00:54
[MAPREDUCE-5182] LineRecordReader#getProgress throwing IOException breaks compatibility - MapReduce - [issue]
...This has been in trunk for a while (since MAPREDUCE-773), but was only introduced into branch-1 in July....
http://issues.apache.org/jira/browse/MAPREDUCE-5182    Author: Sandy Ryza, 2013-06-07, 20:59
[MAPREDUCE-5252] Fair scheduler should use SchedulerUtils.normalizeRequest - MapReduce - [issue]
...The capacity scheduler and the fifo scheduler use the same normalizeRequest in SchedulerUtils.  The fair scheduler has its own version of this method that does exactly the same thing. &...
http://issues.apache.org/jira/browse/MAPREDUCE-5252    Author: Sandy Ryza, 2013-06-07, 18:52
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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