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MapReduce >> mail # dev >> combiner without reducer


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Radim Kolar 2013-04-15, 17:37
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Arun C Murthy 2013-04-15, 20:20
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Re: combiner without reducer
Dne 16.4.2013 11:08, Arpan Rajani napsal(a):
> Radim,
>  Is it not happening if you set reducers = 0 ?
if you set reducers = 0, then class set as combiner is ignored. My
proposal is if you set reducers = 0 and combiner, then combiner is run.
No API change is needed.
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