Date: Tue, 9 Jul 2013 20:10:26 +0400 From: Lev Serebryakov <lev@FreeBSD.org> To: freebsd-performance@freebsd.org, timur@FreeBSD.org Subject: Re: Samba server performance -- only 33MiB/s with one client on 1G network! Message-ID: <987136020.20130709201026@serebryakov.spb.ru> In-Reply-To: <1885849141.20130708010224@serebryakov.spb.ru> References: <866737084.20130707233704@serebryakov.spb.ru> <1885849141.20130708010224@serebryakov.spb.ru>
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Hello, Lev. You wrote 8 =D0=B8=D1=8E=D0=BB=D1=8F 2013 =D0=B3., 1:02:24: LS> Hello, Lev. LS> You wrote 7 =D0=B8=D1=8E=D0=BB=D1=8F 2013 =D0=B3., 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? --=20 // Black Lion AKA Lev Serebryakov <lev@FreeBSD.org>
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