Re: Reduce operation stuck

2012-05-21 Thread Abhishek Pratap Singh
Can you paste the logs here? Abhishek On Sun, May 20, 2012 at 9:36 AM, Balaji Rao wrote: > 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: > >

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: Reduce operation stuck

2012-05-18 Thread Bejoy KS
configuration. Regards Bejoy KS Sent from handheld, please excuse typos. -Original Message- From: Ranjith Date: Fri, 18 May 2012 22:50:47 To: user@hive.apache.org Reply-To: user@hive.apache.org Cc: user@hive.apache.org Subject: Re: Reduce operation stuck This could be a result of the data

Re: Reduce operation stuck

2012-05-18 Thread Ranjith
This could be a result of the data being skewed. When you look at the job tracker page are you noticing just a few lurking around? Thanks, Ranjith On May 18, 2012, at 1:57 PM, Balaji Rao wrote: > I have a simple query running on HIVE using Amazon EMR where the > reduce operation seems to be st

Reduce operation stuck

2012-05-18 Thread Balaji Rao
I have a simple query running on HIVE using Amazon EMR where the reduce operation seems to be stuck. The table is small with just 300,000+ rows (data_analysis). I intend to work on a 30,000,000 row table once I'm able to fix this. The query (modified to hide some information) is as follows: INSERT