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From Yuanyuan Tian <>
Subject about fault tolerance in Giraph
Date Fri, 15 Mar 2013 21:03:52 GMT

I was testing the fault tolerance of Giraph on a long running job. I 
noticed that when one of the worker throw an exception, the whole job 
failed without retrying the task, even though I turned on the 
checkpointing and there were available map slots in my cluster. Why wasn't 
the fault tolerance mechanism working?

I was running a version of Giraph downloaded sometime in June 2012 and I 
used Netty for the communication layer. 


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