I set mapred.tasktracker.reduce.tasks.maximum 1 in conf for each node but I have 4 nodes for running Hadoop
Should I install mahout for each node or only master node? Thanks for your help 2012/4/30 戴清灏 <[email protected]> > Sorry for having made you confused. > I mean, if you have explicitly specify the reduce task number in your > hadoop conf/mapred-site.xml or some where else, > PFP would only execute one reduce task. > Your parameter groups 10 would only make PFP call reduce method 10 times. > Actually reduce method had been called 10 times with a single reduce task. > > > Regards, > Q > > > > 2012/4/30 培宇 <[email protected]> > > > Hello > > I mean reduce tasks. > > I set the parameter -g 10, > > but there is still one reduce task in ParallelFPGrowth. > > > > How do I set parameter -g to change the number of reduce tasks? > > > > Thanks for your reply > > > > > > > > -- > > Best regards, > > 培宇 Omi > > > -- Best regards, 培宇 Omi
