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MapReduce >> mail # user >> Re: Setup/Cleanup question


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Re: Setup/Cleanup question
When running an MR job/program assuming there r 'n' (=100) Mapperstriggered then my question is will the setup & cleanup run n number of times which means once for each mapper or for all the mappers they will run only once.

Any help is appreciated.
Thanks
Sai
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