On 07/11/2013 10:04 AM, Mihály Árva-Tóth wrote:
Hello,
We are planning to use Intel 10 GE ethernet between nodes of OSDs. Host
operation system will be Ubuntu 12.04 x86_64. Are there any
recommendations available to tuning options (ex. sysctl and ceph)?
Thank you,
Mihaly
Hi,
Generally if performance and latency look good with something like iperf
and a couple of parallel streams you should be able to get good
performance with Ceph. You may find that using jumbo frames can help in
some circumstances. In some cases we've seen that TCP autotuning can
cause issues (primarily with reads!), but I think we've basically got
that solved through a ceph tunable now.
Mark
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