default 8 mappers per host ?

2014-07-14 Thread Sisu Xi
can I change it? Thanks very much! Sisu -- *Sisu Xi, PhD Candidate* http://www.cse.wustl.edu/~xis/ Department of Computer Science and Engineering Campus Box 1045 Washington University in St. Louis One Brookings Drive St. Louis, MO 63130

Re: hadoop multinode, only master node doing the work

2014-07-13 Thread Sisu Xi
? Thanks very much! Sisu On Sun, Jul 13, 2014 at 1:36 AM, Kilaru, Sambaiah sambaiah_kil...@intuit.com wrote: HI Sisu Xi, On the master node can you check Hadoop dfsadmin –report And listing all the slave nodes or you can check master URL and it should all datanodes listed as slave nodes

Re: hadoop multinode, only master node doing the work

2014-07-13 Thread Sisu Xi
the whole data dir, formated the namenode, and restarted the hadoop. But still the same problem. Sisu On Sun, Jul 13, 2014 at 12:53 PM, Sisu Xi xis...@gmail.com wrote: Hi, Sam: Thanks for your help! You are right, seems only one node is running. Here is the output: xisisu@slave-01:/usr

Re: hadoop multinode, only master node doing the work

2014-07-13 Thread Sisu Xi
, please contact the sender immediately and delete it from your system. Thank You. -- *Sisu Xi, PhD Candidate* http://www.cse.wustl.edu/~xis/ Department of Computer Science and Engineering Campus Box 1045 Washington University in St. Louis One Brookings Drive St. Louis, MO 63130

Re: hadoop multinode, only master node doing the work

2014-07-13 Thread Sisu Xi
, Jul 13, 2014 at 2:53 PM, Ravi Mutyala r...@hortonworks.com wrote: Yes. As vinod pointed in that link, check yarn.resourcemanager.hostname on slave node yarn-site.xml and put your master node hostname there. On Sun, Jul 13, 2014 at 2:47 PM, Sisu Xi xis...@gmail.com wrote: Hi, Ravi: Thanks