On 31.10.2010 00:41, Ed Maste wrote:
I've been doing testing with FreeBSD 8 and em interfaces recently, and
my experience agrees with Chuck's statement - that polling makes things
worse when you use new (anything in the last 2 or 3 years) hardware with
good quality gigabit ethernet
Hi,
On 29/10/2010 18:23, Chuck Swiger wrote:
On Oct 28, 2010, at 11:39 PM, Коньков Евгений wrote:
so using polling on gigabit NICs is a bottle neck? and is cause of low
performance, is not?
Simple answer is yes. It should be possible that you could tune polling to
get similar
Hi, Larry.
LB Also make sure kern.polling.idle_poll is enabled. By default it is
LB disabled. This makes a big difference in polling throughput.
enabling that take all CPU time.
last pid: 38722; load averages: 1.88, 1.18, 0.85up 1+18:43:28 20:04:54
101 processes: 5 running, 74
On Sat, Oct 30, 2010 at 12:32:19PM +0100, Paul Thornton wrote:
I've been doing testing with FreeBSD 8 and em interfaces recently, and
my experience agrees with Chuck's statement - that polling makes things
worse when you use new (anything in the last 2 or 3 years) hardware with
good quality
Здравствуйте, Chuck.
Вы писали 28 октября 2010 г., 23:41:58:
CS On Oct 28, 2010, at 1:21 PM, Коньков Евгений wrote:
[ ... ]
CS What is sysctl kern.clockrate, and have you increased kern.hz
CS in /boot/loader.conf to at least 1000, if not 2000 or 4000?
# vmstat -i
interrupt
On Oct 28, 2010, at 11:39 PM, Коньков Евгений wrote:
Здравствуйте, Chuck.
Um, greetings?
Вы писали 28 октября 2010 г., 23:41:58:
CS On Oct 28, 2010, at 1:21 PM, Коньков Евгений wrote:
[ ... ]
CS What is sysctl kern.clockrate, and have you increased kern.hz
CS in /boot/loader.conf to
Zdravstvuyte, Chuck. (How do you do, Chuck ;-)
Вы писали 29 октября 2010 г., 20:23:19:
CS On Oct 28, 2010, at 11:39 PM, Коньков Евгений wrote:
Здравствуйте, Chuck.
CS Um, greetings?
yes, it is
Вы писали 28 октября 2010 г., 23:41:58:
CS On Oct 28, 2010, at 1:21 PM, Коньков Евгений wrote:
On Thu, Oct 28, 2010 at 11:21:11PM +0300, ?? ?? wrote:
Hello,
w/0 polling:
serv1# ifconfig nfe0
nfe0: flags=8943UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST metric 0 mtu
1500
options=10bRXCSUM,TXCSUM,VLAN_MTU,TSO4
ether 00:13:d4:ce:82:16
Also make sure kern.polling.idle_poll is enabled. By default it is
disabled. This makes a big difference in polling throughput.
Larry
--
Larry Baird| http://www.gta.com
Global Technology
Hello,
w/0 polling:
serv1# ifconfig nfe0
nfe0: flags=8943UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST metric 0 mtu
1500
options=10bRXCSUM,TXCSUM,VLAN_MTU,TSO4
ether 00:13:d4:ce:82:16
inet 10.11.8.17 netmask 0xfc00 broadcast 10.11.11.255
inet 10.11.15.15
On Oct 28, 2010, at 1:21 PM, Коньков Евгений wrote:
[ ... ]
What is sysctl kern.clockrate, and have you increased kern.hz in
/boot/loader.conf to at least 1000, if not 2000 or 4000?
Polling mode operation generally performs better when using older 100Mbs
ethernet NICs which do not support
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