hi, ken what do you mean multiple threads? I think that you can use multiple processes in map task by configuring the property of * mapred.tasktracker.map.tasks.maximum* in mapred-site.xml.
Gump On Thu, Jul 26, 2012 at 10:56 AM, kenyh <ken.yihan1...@gmail.com> wrote: > > Does anyone know about the feature about using multiple thread in map task > or > reduce task? > Is it a good way to use multithread in map task? > -- > View this message in context: > http://old.nabble.com/Hadoop-Multithread-MapReduce-tp34213534p34213534.html > Sent from the Hadoop core-user mailing list archive at Nabble.com. > >
