Samba server performance -- only 33MiB/s with one client on 1G network!
nonesuch at longcount.org
Tue Jul 9 16:41:38 UTC 2013
On Tue, Jul 9, 2013 at 12:10 PM, Lev Serebryakov <lev at freebsd.org> wrote:
> Hello, Lev.
> You wrote 8 июля 2013 г., 1:02:24:
> LS> Hello, Lev.
> LS> You wrote 7 июля 2013 г., 23:37:04:
> LS>> So, smbd is NOT limited by:
> LS>> (1) FS (33MiB/s vs 280MiB/s).
> LS>> (2) Network (33MiB/s vs 820Mbit/s / 97MiB/s).
> LS>> (3) CPU (50% vs 100%, CPU is 150% idle!).
> LS>> Why samba performacne is so loosy? What could
> LS> I've "ktrace" smbd process in question and see a lot of
> Ok, poll() takes 98.5% of time spent by samba process! Is it Ok?!
> And getegid()/geteuid() is takes 30% of calls (but only 0.1% of time)!
> But this poll() prevalence is not clear to me. So, it wait something most
> of time? What?
> // Black Lion AKA Lev Serebryakov <lev at FreeBSD.org>
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What can you tell us about the system tunings. Can you post a copy of your
Also the output from
1. pciconf -lv
sanitize them as needed.
mark saad | nonesuch at longcount.org
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