Unfortunately, this is not possible in the MR1 fair scheduler without setting the jobs for individual pools. In MR2, fair scheduler hierarchical queues will allow setting maxRunningApps at the top of the hierarchy, which would have the effect you're looking for.
-Sandy On Tue, Nov 19, 2013 at 2:01 PM, Omkar Joshi <ojo...@hortonworks.com> wrote: > Not sure about the fair scheduler but in capacity scheduler you can > achieve this by controlling number of jobs/applications per queue. > > Thanks, > Omkar Joshi > *Hortonworks Inc.* <http://www.hortonworks.com> > > > On Tue, Nov 19, 2013 at 3:26 AM, Ivan Tretyakov < > itretya...@griddynamics.com> wrote: > >> Hello! >> >> We are using CDH 4.1.1 (Version: 2.0.0-mr1-cdh4.1.1) and fair-scheduler. >> We need to limit total number of jobs which can run at the same time on >> cluster. >> I can see maxRunningJobs options but it sets limit for pool or user. >> We wouldn't like to limit each pool or user we just need to set limit on >> total number of jobs running. >> >> Is it possible to do it using fair scheduler? >> Can capacity scheduler help here? >> Maybe there are other options to achieve the goal? >> >> Thanks in advance! >> >> -- >> Best Regards >> Ivan Tretyakov >> >> > > CONFIDENTIALITY NOTICE > NOTICE: This message is intended for the use of the individual or entity > to which it is addressed and may contain information that is confidential, > privileged and exempt from disclosure under applicable law. If the reader > of this message is not the intended recipient, you are hereby notified that > any printing, copying, dissemination, distribution, disclosure or > forwarding of this communication is strictly prohibited. If you have > received this communication in error, please contact the sender immediately > and delete it from your system. Thank You.
