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[MAPREDUCE-5010] use multithreading to speed up mergeParts  and try MapPartitionsCompleteEvent to schedule fetch in reduce - MapReduce - [issue]
...use multithreading to speed up Merger and try MapPartitionsCompleteEvent to schedule fetch in reduce This is for muticore cpu, the performance will depend on your hardware and config.In mapt...
http://issues.apache.org/jira/browse/MAPREDUCE-5010    Author: Li Junjun, 2014-10-21, 02:16
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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