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MapReduce >> mail # user >> Is there any way for the reducer to determine the total number of reduce tasks?


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Is there any way for the reducer to determine the total number of reduce tasks?
Also is there a good way in code to determine whether job is running on a
cluster or in local mode.

I want certain debugging information to log only in local mode

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Steven M. Lewis PhD
4221 105th Ave NE
Kirkland, WA 98033
206-384-1340 (cell)
Skype lordjoe_com
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