I had a setup where I could get 500MB/s using pvfs2-cp with Myri10G which took some effort.
kevin harms On Mar 7, 2011, at 3:51 PM, Patrick J. LoPresti wrote: > Hello. I have a fairly simple question. > > What is the fastest single-client, single-thread, single-file read > performance anyone has ever observed using PVFS2, and what hardware > did it use? > > I need to be able to read 500 megabytes/second, sustained, from a > single file using a single thread. I have achieved such speeds and > higher, reading 200+ gigabytes sequentially, using a fast RAID and XFS > (i.e., local storage). I would like to replace that design with > something more networked and scalable. But my individual clients > still require 500+ megabyte/second reads. > > If I tie together a half dozen fast OrangeFS servers with 10GigE, will > I be able to serve another half dozen 10GigE clients at 500MB/sec > each? (Again, assuming single-file, single-thread on each client. > Also assume each server can read/write its local store at ~1000 MB/sec > sustained.) > > Finally, and perhaps off-topic for this list... If OrangeFS cannot do > this sort of thing, are there any distributed Linux file systems that > can? > > Thanks. > > - Pat > _______________________________________________ > Pvfs2-users mailing list > [email protected] > http://www.beowulf-underground.org/mailman/listinfo/pvfs2-users
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