Great, thanks you guys. On Fri, Apr 24, 2015 at 12:07 PM, Naganarasimha G R (Naga) < garlanaganarasi...@huawei.com> wrote:
> Thanks for the info Harsh, > MAPREDUCE-5583 also states the scenario where this configuration would be > useful ! > > +Naga > ________________________________________ > From: Harsh J [ha...@cloudera.com] > Sent: Thursday, April 23, 2015 11:24 > To: <user@hadoop.apache.org> > Subject: Re: Is there any way to limit the concurrent running mappers per > job? > > This has been introduced as a 2.7.0 feature, see MAPREDUCE-5583. > > On Tue, Apr 21, 2015 at 4:32 AM, Zhe Li <allenlee...@gmail.com> wrote: > > Hi, after upgraded to Hadoop 2 (yarn), I found that > > 'mapred.jobtracker.taskScheduler.maxRunningTasksPerJob' no longer worked, > > right? > > > > One workaround is to use queue to limit it, but it's not easy to control > it > > from job submitter. > > Is there any way to limit the concurrent running mappers per job? > > Any documents or discussions before? > > > > BTW, any way to search this mailing list before I post a new question? > > > > Thanks very much. > > > > -- > Harsh J >
