> On June 20, 2013, 9:59 p.m., Ben Mahler wrote: > > hadoop/mesos/src/java/org/apache/hadoop/mapred/MesosScheduler.java, line 447 > > <https://reviews.apache.org/r/11130/diff/6/?file=303789#file303789line447> > > > > I guess that's one convention I don't like, since it results in a > > proliferation of knobs.
I'm willing to drop this one, since I'm having good results with the default of 10%. > On June 20, 2013, 9:59 p.m., Ben Mahler wrote: > > hadoop/mesos/src/java/org/apache/hadoop/mapred/MesosScheduler.java, line 461 > > <https://reviews.apache.org/r/11130/diff/6/?file=303789#file303789line461> > > > > If it needs to be tuned to suit an application, how can one run a > > generic hadoop cluster with various jobs running? Hadoop is a bit tricky to configure, and a lot of the knobs need to be adjusted depending on the size of the cluster and the types of jobs you're running. There isn't a great general solution, as far as I know. I would prefer if we kept this knob. - Brenden ----------------------------------------------------------- This is an automatically generated e-mail. To reply, visit: https://reviews.apache.org/r/11130/#review22196 ----------------------------------------------------------- On June 11, 2013, 9:20 p.m., Brenden Matthews wrote: > > ----------------------------------------------------------- > This is an automatically generated e-mail. To reply, visit: > https://reviews.apache.org/r/11130/ > ----------------------------------------------------------- > > (Updated June 11, 2013, 9:20 p.m.) > > > Review request for mesos. > > > Repository: mesos > > > Description > ------- > > Allow JVM memory vars to be configured. > > Review: https://reviews.apache.org/r/11130 > > > Diffs > ----- > > hadoop/mesos/src/java/org/apache/hadoop/mapred/MesosScheduler.java > afe401f5265e3d9494af7eace42eec45943184a3 > > Diff: https://reviews.apache.org/r/11130/diff/ > > > Testing > ------- > > Used in production at airbnb. > > make -j10 check && cd hadoop && make hadoop-2.0.0-mr1-cdh4.2.1 && make > hadoop-0.20.205.0 && make hadoop-0.20.2-cdh3u3 > > > Thanks, > > Brenden Matthews > >
