Thank you very much. I will check on that.
On Fri, Dec 7, 2012 at 5:48 PM, Nitin Pawar <[email protected]> wrote: > Yes > On Dec 7, 2012 3:09 PM, "Philips Kokoh Prasetyo" <[email protected]> > wrote: > >> Hi Nitin, >> >> Thanks for the reply. >> Do you mean using fair scheduler to separate job queue? >> http://hadoop.apache.org/docs/r0.20.2/fair_scheduler.html >> >> >> Regards, >> Philips >> >> >> On Fri, Dec 7, 2012 at 5:15 PM, Nitin Pawar <[email protected]>wrote: >> >>> ways to handle this >>> 1) create separate job queues for hive and hbase users on jt and >>> allocate resources according to your needs >>> 2) you can not actually limit how many maps can be launched as its >>> decided on run time by looking at split size. If you want less number of >>> maps to be launched then increase split size...also keep in mind you will >>> need larger memory for maps >>> On Dec 7, 2012 2:32 PM, "Philips Kokoh Prasetyo" < >>> [email protected]> wrote: >>> >>>> Hi everyone, >>>> >>>> My cluster also runs HBase for real time processing. Hive query (on a >>>> big table) occupies all the map tasks so that the other service cannot run >>>> properly. >>>> Does anyone know how to limit the number of running map in hive? >>>> I see mapred.reduce.tasks in the configuration properties, but I don't >>>> see the configuration for mapper. >>>> >>>> Thank you. >>>> >>>> Regards, >>>> Philips >>>> >>> >>
