2013/7/11 Mark Nelson <[email protected]> > 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.
Hi Mark, Thank you. So are there no Ceph-related configration options which can I tuning for good performance on 10GE network? Where can I read more about TCP autotuning issues? Regards, Mihaly
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