+1 Deployed on more than 100 nodes. Ran 30TB teragen/terasort. Will run few more over the weekend to test scheduler. Things looks stable. I do see few failures, but those I believe are hardware problems.
Thanks, @lohitvijayarenu 2013/2/8 Konstantin Boudnik <c...@apache.org> > The issue with the configuration is raised (and adressed) in > https://issues.apache.org/jira/browse/BIGTOP-841 > > Cos > > On Fri, Feb 08, 2013 at 04:25PM, Aaron T. Myers wrote: > > +1 (binding) > > > > I downloaded the src tar ball, built it with the native bits enabled, > > started up a little cluster, and ran some sample jobs. Things worked as > > expected. I also verified the signatures on the source artifact. > > > > I did bump into one little issue, but I don't think it should be > considered > > a blocker. When I first tried to start up the RM, it failed to start with > > this error: > > > > 13/02/08 16:00:31 FATAL resourcemanager.ResourceManager: Error starting > > ResourceManager > > java.lang.IllegalStateException: Queue configuration missing child queue > > names for root > > at > > > org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler.parseQueue(CapacityScheduler.java:328) > > at > > > org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler.initializeQueues(CapacityScheduler.java:255) > > at > > > org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler.reinitialize(CapacityScheduler.java:220) > > at > > > org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.init(ResourceManager.java:226) > > at > > > org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.main(ResourceManager.java:710) > > > > And then this on shutdown: > > > > 13/02/08 16:00:31 INFO service.CompositeService: Error stopping > > ResourceManager > > java.lang.NullPointerException > > at > > > org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.stop(ResourceManager.java:590) > > at > > > org.apache.hadoop.yarn.service.CompositeService$CompositeServiceShutdownHook.run(CompositeService.java:122) > > at > > > org.apache.hadoop.util.ShutdownHookManager$1.run(ShutdownHookManager.java:54) > > > > Presumably this is because I don't have the CapacityScheduler queues > > configured at all, and the default scheduler is now the > CapacityScheduler. > > To work around this for my testing, I switched to the FairScheduler and > the > > RM came up just fine. > > > > > > -- > > Aaron T. Myers > > Software Engineer, Cloudera > > > > > > On Wed, Feb 6, 2013 at 7:59 PM, Arun C Murthy <a...@hortonworks.com> > wrote: > > > > > Folks, > > > > > > I've created a release candidate (rc0) for hadoop-2.0.3-alpha that I > would > > > like to release. > > > > > > This release contains several major enhancements such as QJM for HDFS > HA, > > > multi-resource scheduling for YARN, YARN ResourceManager restart etc. > > > Also YARN has achieved significant stability at scale (more details > from > > > Y! folks here: http://s.apache.org/VYO). > > > > > > The RC is available at: > > > http://people.apache.org/~acmurthy/hadoop-2.0.3-alpha-rc0/ > > > The RC tag in svn is here: > > > > http://svn.apache.org/viewvc/hadoop/common/tags/release-2.0.3-alpha-rc0/ > > > > > > The maven artifacts are available via repository.apache.org. > > > > > > Please try the release and vote; the vote will run for the usual 7 > days. > > > > > > thanks, > > > Arun > > > > > > > > > > > > -- > > > Arun C. Murthy > > > Hortonworks Inc. > > > http://hortonworks.com/ > > > > > > > > > > -- Have a Nice Day! Lohit
