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MapReduce >> mail # user >> hadoop debugging tools

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hadoop debugging tools

We are seeing our map-reduce jobs crashing once in a while and have to go
through the logs on all the nodes to figure out what went wrong.  Sometimes
it is low resources and sometimes it is a programming error which is
triggered on specific inputs..  Same is true for some of our hive queries.

Are there any tools (free/paid) which help us to do this debugging quickly?
 I am planning to write a debugging tool for sifting through the
distributed logs of hadoop but wanted to check if there are already any
useful tools for this.

Gopi | www.wignite.com