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[MAPREDUCE-3685] There are some bugs in implementation of MergeManager - MapReduce - [issue]
http://issues.apache.org/jira/browse/MAPREDUCE-3685    Author: anty.rao, 2013-05-30, 18:07
[MAPREDUCE-4039] Sort Avoidance - MapReduce - [issue]
...Inspired by Tenzing, in 5.1 MapReduce Enhanceemtns:Sort Avoidance. Certain operators such as hash joinand hash aggregation require shuffling, but not sorting. TheMapReduce API was enhanced t...
http://issues.apache.org/jira/browse/MAPREDUCE-4039    Author: anty.rao, 2013-01-28, 21:31
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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