Re: hadoop 0.15.3 r612257 freezes on reduce task

2008-01-29 Thread Jason Venner
We are running under linux with dfs on GiGE lans, kernel 2.6.15-1.2054_FC5smp, with a variety of xeon steppings for our processors. Our replacation factor was set to 3 Florian Leibert wrote: Maybe it helps to know that we're running Hadoop inside amazon's EC2... Thanks, Florian -- Jason

Re: hadoop 0.15.3 r612257 freezes on reduce task

2008-01-29 Thread Jason Venner
That was the error that we were seeing in our hung reduce tasks. It went away for us, and we never figured out why. A number of things happened in our environment around the time it went a way. We shifted to 0.15.2, our cluster moved to a separate switched vlan from our main network, we started