Wouter
Had a look at how I compiled unbound, below the details:
CC="/opt/Studio12.3/solarisstudio12.3/bin/cc"
CFLAGS="-m64 -Qoption cg -xregs=no%appl -xmemalign=8s -mt"
LDFLAGS="-L/opt/local/lib/64"
export CC CFLAGS LDFLAGS
./configure --prefix=/opt/local \
--libdir=/opt/local/lib/sparcv9 \
--sysconfdir=/etc \
--with-username=dnsadmin \
--with-ldns \
--with-libevent \
--disable-gost --disable-ecdsa
OK, was not aware of the Solaris thread option will possibly make a big
difference. Will recompile and test.
The SPARC T3 support up to 128 threads, so can I take the thread count
above 64? Or shall I just make the max thread count 64 by default?
Thanks for the feedback so far.
Regards
On 05/02/2013 12:09, W.C.A. Wijngaards wrote:
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Hi Jaco, Andreas,
On 02/05/2013 10:52 AM, [email protected] wrote:
Zitat von Jaco Lesch <[email protected]>:
Does anybody have some additional performance tuning tips for
Unbound, specificityon Solaris 11?
I have followed the recommended settings in the "HowTo Optimise",
but still seem to hit a ceiling of +/- 3600 max queries a
second.On top of that the platform/OS do become a bit sluggish
when logging in via SSH.
Our install details: OS: Solaris 11 CPU: SPARC T3 Unbound ver:
1.4.18-2 (64-bit) LDNS ver: 1.6.15 (64-bit) Libevent ver: 2.0.20
(64-bit)
Hello you should clearify the following questions
Which part of the "HowTo Optimise" do you use and how? What is the
load on your system as of CPU power used? Have you checked the
upstream connection or forwarders used? Do you use DNSSEC? What
kind of data do you use for testing?
Without this no one will be able to tell why your system max out
at 3600qps.
The sparc T3 has special hardware threads. Unbound has an option to
use the solaris thread library, configure --with-solaris-threads and
perhaps with the sun compiler (CC=/opt/.../cc). If the hardware
threads really work, then with num-threads up to 64 (or your number of
hardware support), you could, potentially (this has not been tried)
get up to 64x your previous performance.
Best regards,
Wouter
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Jaco Lesch
SAIX HLS
Email: [email protected]
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