Re: The relation between the number of partitions, number of workers, number of mappers

Hi, Number of mappers = number of workers Number of partitions = (multiplier * (number of workers) ^ 2 ) by default (multiplier = 1 by default) Lukas On 22.9.2014 23:18, xuhong zhang wrote: I know that the number of mappers equals to the number of worker * mapred.tasktracker.map.tasks.maxim

The relation between the number of partitions, number of workers, number of mappers

I know that the number of mappers equals to the number of worker * mapred.tasktracker.map.tasks.maximum How about the number of partitions？ Thanks -- Xuhong Zhang