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Hadoop >> mail # user >> reducing mappers for a job


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reducing mappers for a job
Hi guys : In a shared cluster environment, whats the best way to reduce the
number of mappers per job ?  Should you do it with inputSplits ?  Or simply
toggle the values in the JobConf (i.e. increase the number of bytes in an
input split) ?

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Jay Vyas
MMSB/UCHC
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ke yuan 2011-11-17, 03:42
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He Chen 2011-11-17, 04:00
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ke yuan 2011-11-17, 07:29
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Harsh J 2011-11-17, 07:42
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Paolo Rodeghiero 2011-11-17, 10:42
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