[OpenAFS] Tips for increasing throughput

2011-08-31 Thread Ken Elkabany
Hi, On a network capable of scp-ing files between machines at 60MB/sec, we are only able to achieve 2-3MB/sec of throughput when using AFS. We've been conducting tests on 300MB files, by copying them from the /afs/* mount to the local filesystem with memcache enabled. In production, we will not

Re: [OpenAFS] Tips for increasing throughput

2011-08-31 Thread Jeffrey Altman
On 8/31/2011 4:07 AM, Ken Elkabany wrote: Hi, On a network capable of scp-ing files between machines at 60MB/sec, we are only able to achieve 2-3MB/sec of throughput when using AFS. We've been conducting tests on 300MB files, by copying them from the /afs/* mount to the local filesystem

Re: [OpenAFS] Tips for increasing throughput

2011-08-31 Thread Matt W. Benjamin
Hi, Well, others will have more to say about versions, but I imagine the recommendation will be to have more modern servers and clients. Also, as you suggest, the EC2 environment might very well put afs at a disadvantage, for example, there might be NAT (though I have no real idea). It's not