Re: Problem in reduce phase(critical)

Findout the machine where this attempt_201201271626_5282_m_07_2 was run. See if TT is running or hanged. Rebounce TT on this machine. -Bharath On Fri, Feb 3, 2012 at 6:02 AM, hadoop hive wrote: > > > On Fri, Feb 3, 2012 at 4:56 PM, hadoop hive wrote: > >> hey folks, >> >> i m getting th

Re: Problem in reduce phase(critical)

Logs are saying your reducer is not able to communicate with the mapper.. Its waiting for map-outputs. It could be internet problem or ssh problem. Check your machine 'hadoopdata3' -- Are you able to ping it from all other machines and ssh into it without password from your NN and JT? Thanks, Prav

Problem in reduce phase(critical)

On Fri, Feb 3, 2012 at 4:56 PM, hadoop hive wrote: > hey folks, > > i m getting this error while running mapreduce and these comes up in > reduce phase.. > > > 2012-02-03 16:41:19,780 WARN org.apache.hadoop.mapred.ReduceTask: > attempt_201201271626_5282_r_00_0 copy failed: > attempt_2012012

Problem in reduce phase

hey folks, i m getting this error while running mapreduce and these comes up in reduce phase.. 2012-02-03 16:41:19,780 WARN org.apache.hadoop.mapred.ReduceTask: attempt_201201271626_5282_r_00_0 copy failed: attempt_201201271626_5282_m_07_2 from hadoopdata3 2012-02-03 16:41:19,954 WARN or