Just out of curiosity, did you just change the yarn-site.xml for RM or for NMs as well?
On Fri, Sep 25, 2015 at 3:23 AM, Jordi Blasi Uribarri <jbl...@nextel.es> wrote: > Hi, > > I think that this is more a Yarn question than a Samza one, but I am > really stuck on this. I am having problems understanding some (I belive) > basic concepts on resource management, and so I cannot have things working. > > In have two virtual machines with 2 cpus and 2048MB ram each. I have > Debian installed on them and Samza over it. I am trying to get three samza > jobs working on my cluster, and I expect that I will have to run some more > in the future (at least two). > > When I start Yarn I see in the web administration that I am offered a > total amount of 16Gb of RAM and 16 Vcores, which does not make sense to me > on what I have assigned. > > I have configured yarn-site.xml with the following: > > <property> > <name>yarn.scheduler.minimum-allocation-mb</name> > <value>128</value> > </property> > <property> > <name>yarn.scheduler.maximum-allocation-mb</name> > <value>2048</value> > </property> > <property> > <name>yarn.scheduler.minimum-allocation-vcores</name> > <value>1</value> > </property> > <property> > <name>yarn.scheduler.maximum-allocation-vcores</name> > <value>2</value> > </property> > > I changed the capacity scheduler.xml in this value (from 0.1) > > <property> > <name>yarn.scheduler.capacity.maximum-am-resource-percent</name> > <value>0.5</value> > </property> > > The three jobs have the following > > yarn.container.memory.mb=256 > yarn.am.container.memory.mb=256 > > When I launch the jobs I can only get one in the running state. In fact, > and that surprises me, even when I launch them individually only one of > them gets to RUNNING. In this moment I have no way of running two of them. > I have tried to move the values above but I got no result in different > combinations. > > I have not seen any error in the logs. > > What is preventing the jobs from getting to RUNNING state? > > Thanks. > > Jordi > ________________________________ > Jordi Blasi Uribarri > Área I+D+i > > jbl...@nextel.es > Oficina Bilbao > > [http://www.nextel.es/wp-content/uploads/Firma_Nextel_2015.png] >
