mahout-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Tamas Jambor <jambo...@googlemail.com>
Subject Re: mapreduce memory issues
Date Wed, 05 May 2010 22:37:46 GMT
just one more question on this. It looks like the algorithm overrides 
the default values for mapred.map.tasks and mapred.reduce.tasks. how did 
you decide on those? it doesn't look optimal.
For example for job 
RecommenderJob-IdentityMapper-AggregateAndRecommendReducer
it sets mapred.map.tasks to 145 and mapred.reduce.tasks to just 1...

Mime
View raw message