Config # of machines to execute jobs

2012-05-20 Thread Chia-Chun Shih
I would like to test how hive performance changes when hadoop cluster shrinks. But I am using a shared Hadoop cluster, it is not possible to shut down machines or change hadoop configuration. Is it possible to config number of machines to use when issuing hive queries? Any comments are welcome. Tha

Re: Reduce operation stuck

2012-05-20 Thread Balaji Rao
There is only one task attempt that is lurking around and that never completes. It probably times out or fails after a long time. -Balaji On Fri, May 18, 2012 at 11:50 PM, Ranjith wrote: > This could be a result of the data being skewed. When you look at the job > tracker page are you noticing

Re: Hive join does not execute

2012-05-20 Thread Mahsa Mofidpoor
Thanx a lot. It worked! On Thu, May 10, 2012 at 1:14 PM, shashwat shriparv < dwivedishash...@gmail.com> wrote: > > Some suggestion : > > > > > 1. Chown of the hive folder > 2. change permission of hive folder to 755 > 3. Set this to hive-site.xml > > > > hive.exec.scratchdir > /home/your