As far as I see in the docs it looks like you could also use hdfs instead of s3. But what I am not sure is if these are local disks or EBS.
On Sun, Mar 4, 2012 at 2:27 AM, Hannes Carl Meyer <hannesc...@googlemail.com > wrote: > Hi, > > yes, its loaded from S3. Imho is Amazon AWS Map-Reduce pretty slow. > The setup is done pretty fast and there are some configuration parameters > you can bypass - for example blocksizes etc. - but in the end imho setting > up ec2 instances by copying images is the better alternative. > > Kind Regards > > Hannes > > On Sun, Mar 4, 2012 at 2:31 AM, Mohit Anchlia <mohitanch...@gmail.com > >wrote: > > > I think found answer to this question. However, it's still not clear if > > HDFS is on local disk or EBS volumes. Does anyone know? > > > > On Sat, Mar 3, 2012 at 3:54 PM, Mohit Anchlia <mohitanch...@gmail.com > > >wrote: > > > > > Just want to check how many are using AWS mapreduce and understand the > > > pros and cons of Amazon's MapReduce machines? Is it true that these map > > > reduce machines are really reading and writing from S3 instead of local > > > disks? Has anyone found issues with Amazon MapReduce and how does it > > > compare with using MapReduce on local attached disks compared to using > > S3. > > > > --- > www.informera.de > Hadoop & Big Data Services >
