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.maximumHow about the number of partitions? Thanks -- Xuhong Zhang