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Re: [VOTE] Merge branch MAPREDUCE-2841 to trunk - MapReduce - [mail # dev]
...+1The change to the existing code is very limited and the perf is impressive. -COn Fri, Sep 5, 2014 at 4:58 PM, Todd Lipcon  wrote: ...
   Author: Chris Douglas, 2014-09-06, 00:35
[MAPREDUCE-1402] Remove src/benchmarks - MapReduce - [issue]
...src/benchmarks has not attracted many contributions. The versions of gridmix currently there are deprecated in in favor of the version in contrib (MAPREDUCE-776) and will be redundant after ...
http://issues.apache.org/jira/browse/MAPREDUCE-1402    Author: Chris Douglas, 2014-07-29, 23:50
[MAPREDUCE-1215] Counter deprecation warnings in jobtracker log are excessive - MapReduce - [issue]
...In a recent test, the log messageWARN org.apache.hadoop.mapred.Counters: Group org.apache.hadoop.mapred.Task$Counter is deprecated. \Use org.apache.hadoop.mapreduce.TaskCounter insteadwas ne...
http://issues.apache.org/jira/browse/MAPREDUCE-1215    Author: Chris Douglas, 2014-07-29, 21:16
[MAPREDUCE-1008] distcp needs CLI unit tests - MapReduce - [issue]
...The distcp tool is often used in automated environments and includes many diagnostic messages. It would be helpful to catch changes to the CLI and validate the correctness of output messages...
http://issues.apache.org/jira/browse/MAPREDUCE-1008    Author: Chris Douglas, 2014-07-24, 01:08
[MAPREDUCE-908] Defining test.include to run a subset of unit tests no longer works - MapReduce - [issue]
...The test.include property used to be a convenient way to glob tests, e.g. ant -Dtest.include='foo/bar/Test*' test used to run all the tests in the foo/bar package. This no longer works....
http://issues.apache.org/jira/browse/MAPREDUCE-908    Author: Chris Douglas, 2014-07-23, 22:55
[MAPREDUCE-258] Update MapOutputServlet to use NIO channels - MapReduce - [issue]
...The TaskTracker can serve the map output segments using RandomAccessFileBuffer, added in JETTY-748....
http://issues.apache.org/jira/browse/MAPREDUCE-258    Author: Chris Douglas, 2014-07-19, 01:17
Re: [DISCUSS] sort improvement - MapReduce - [mail # dev]
...The sort implementation is pluggable (see MAPREDUCE-2454,MAPREDUCE-4049), so please feel free to fork and improve it. Selectinga sort implementation based on job configuration (e.g.,BinaryCo...
   Author: Chris Douglas, 2014-03-22, 01:27
[MAPREDUCE-5032] MapTask.MapOutputBuffer contains arithmetic overflows - MapReduce - [issue]
...There are several places where offsets into the collection buffer can overflow when applied to large buffers. These should be accommodated....
http://issues.apache.org/jira/browse/MAPREDUCE-5032    Author: Chris Douglas, 2013-08-26, 19:42
[MAPREDUCE-5194] Heed interrupts during Fetcher shutdown - MapReduce - [issue]
...In the current implementation, Fetcher instances usually exit gracefully when the shuffle succeeds. When it fails, threads are interrupted, but may continue running harmlessly until the JVM ...
http://issues.apache.org/jira/browse/MAPREDUCE-5194    Author: Chris Douglas, 2013-08-12, 20:39
[MAPREDUCE-5192] Separate TCE resolution from fetch - MapReduce - [issue]
...The EventFetcher thread grounds task completion events as URIs before passing them to the ShuffleScheduler. If the former deferred this to the scheduler, one could interpret the TCE metadata...
http://issues.apache.org/jira/browse/MAPREDUCE-5192    Author: Chris Douglas, 2013-06-16, 15:07
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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