Hi Kumar, This has to do with yarn.scheduler.capacity.maximum-am-resource-percent which by default is 0.1 This parameter is used to control the number of concurrently running apps. Refer to https://hadoop.apache.org/docs/r2.7.2/hadoop-yarn/hadoop-yarn-site/CapacityScheduler.html#Queue_Properties
Regards, Varun Saxena On Mon, Feb 22, 2016 at 12:01 PM, kumar r <[email protected]> wrote: > Hi, > > I have configured hadoop-2.7.2 pseudo-node cluster in windows. When i > submit a MR job, it works fine. But if i submit multiple MR jobs then only > one job runs at a time. > > First job is in RUNNING state and all other job in ACCEPTED state even > yarn has enough memory (3 GB free out of 6 GB). > But the same works fine in hadoop-2.5.2 > > > *yarn-site.xml* > > <property> > <name>yarn.nodemanager.resource.memory-mb</name> > <value>6144</value> > </property> > <property> > <name>yarn.scheduler.minimum-allocation-mb</name> > <value>256</value> > </property> > <property> > <name>yarn.scheduler.maximum-allocation-mb</name> > <value>2250</value> > </property> > > Any new property to be set for running multiple job at a time? > > Stack Overflow Question : > http://stackoverflow.com/questions/35545986/hadoop-2-7-2-mr-job-in-accepted-state > > Thanks, > > Kumar > >
