Hi Shashi, I am assuming that you are running hadoop 1.x. There is an option to see the failed tasks on the Job tracker UI. Please replace the jobtracker host with the actual host and click on the following link and look for the task failure.
http://[jobtrackerhost]:50030/machines.jsp?type=active Thanks -Rahman On Tue, Apr 15, 2014 at 11:11 AM, Shashidhar Rao <[email protected] > wrote: > Hi, > > Can somebody please help me how to find the task and the datanode in a > large cluster which has failed or which is taking the most time to execute > considering thousands of mappers and reducers are running. > > Regards > Shashi > -- CONFIDENTIALITY NOTICE NOTICE: This message is intended for the use of the individual or entity to which it is addressed and may contain information that is confidential, privileged and exempt from disclosure under applicable law. If the reader of this message is not the intended recipient, you are hereby notified that any printing, copying, dissemination, distribution, disclosure or forwarding of this communication is strictly prohibited. If you have received this communication in error, please contact the sender immediately and delete it from your system. Thank You.
