Re: hadoop tasktracker

2010-06-10 Thread Hemanth Yamijala
Pedro, > If I define in mapred-site.xml the property mapred.reduce.tasks to 1, how > many reduce tasks will actually run? I think it will run 2 and I don't know > why. Did you actually notice this happening ? Also, can you give some information about the cluster where you're running into this pro

hadoop tasktracker

2010-06-09 Thread psdc1978
Hi, If I define in mapred-site.xml the property mapred.reduce.tasks to 1, how many reduce tasks will actually run? I think it will run 2 and I don't know why. But in a log that I've added, the two constructors of the ReduceTask.java class will run ( ReduceTask() and ReduceTask(with parameters) ).