Re: How does BIND 9 scale with multithreading?

2010-09-30 Thread Matus UHLAR - fantomas
On 29.09.10 10:43, Jonathan Petersson wrote:
 I did some benchmarking on this about 1.5 yrs ago, here's a graph
 representing the results: http://sedoss.com/bind.png

on how many processors was this ran?
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Re: How does BIND 9 scale with multithreading?

2010-09-30 Thread Jonathan Petersson
1 QuadCore Intel i7 920 on Fedora 11 x86_64 (can't remember the exact
kernel version) with and without hyperthreading and overclocked
ranging between 2.8 and 3.4GHz

On Thu, Sep 30, 2010 at 2:03 PM, Matus UHLAR - fantomas
uh...@fantomas.sk wrote:
 On 29.09.10 10:43, Jonathan Petersson wrote:
 I did some benchmarking on this about 1.5 yrs ago, here's a graph
 representing the results: http://sedoss.com/bind.png

 on how many processors was this ran?
 --
 Matus UHLAR - fantomas, uh...@fantomas.sk ; http://www.fantomas.sk/
 Warning: I wish NOT to receive e-mail advertising to this address.
 Varovanie: na tuto adresu chcem NEDOSTAVAT akukolvek reklamnu postu.
 To Boot or not to Boot, that's the question. [WD1270 Caviar]
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Re: How does BIND 9 scale with multithreading?

2010-09-29 Thread Jonathan Petersson
I did some benchmarking on this about 1.5 yrs ago, here's a graph
representing the results: http://sedoss.com/bind.png

On Wed, Sep 29, 2010 at 10:37 AM,  philippe.simo...@swisscom.com wrote:
 Hi

 i read that 'old' bind version where better when threading was disabled. Load 
 balancing
 between 2 processe was better.  Is this always the case ?
 http://zaphods.net/~zaphodb/high-performance-bind9.html

 some interesting links for DNS performance :
 http://kb.linuxvirtualserver.org/wiki/Building_Scalable_DNS_Cluster_using_LVS
 https://lists.isc.org/pipermail/bind-users/2006-September/063917.html

 Philippe



 -Original Message-
 From: bind-users-bounces+philippe.simonet=swisscom@lists.isc.org
 [mailto:bind-users-bounces+philippe.simonet=swisscom@lists.isc.org]
 On Behalf Of Eivind Olsen
 Sent: Wednesday, September 29, 2010 09:56
 To: bind-us...@isc.org
 Subject: How does BIND 9 scale with multithreading?

 Does anyone know if there are any benchmarks out in the public, which
 could give some insight into how well BIND 9 scales with multithreading?
 I've tried looking on this list, and googling, but haven't found anything
 yet.

 To be a bit more specific - I'm not sure what a good option for server
 hardware would be for a recursive DNS server. On one hand, the Sun (ok,
 Oracle) Niagara/Coolthreads architecture seems to work nicely enough, but
 maybe I'd be better off with some generic Intel/AMD based solution with
 fewer threads/cores but higher GHz per thread?

 Regards
 Eivind Olsen


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Re: How does BIND 9 scale with multithreading?

2010-09-29 Thread Fabien Seisen
2010/9/29 Eivind Olsen eiv...@aminor.no

 Does anyone know if there are any benchmarks out in the public, which
 could give some insight into how well BIND 9 scales with multithreading?
 I've tried looking on this list, and googling, but haven't found anything
 yet.

 To be a bit more specific - I'm not sure what a good option for server
 hardware would be for a recursive DNS server. On one hand, the Sun (ok,
 Oracle) Niagara/Coolthreads architecture seems to work nicely enough, but
 maybe I'd be better off with some generic Intel/AMD based solution with
 fewer threads/cores but higher GHz per thread?


i did some test and Niagara (T1000 / T5240) performs badly (response time
and rate) compared to Intel/AMD

some numbers at 75% cpu
T1000 6 cores / 24threads~10ms 600 queries/second
2-core AMD 1210 1.8ghz:~0.6ms   7000 queries/second
8-core Intel E5410 2.33ghz: ~0.6ms  7 queries/second

-- 
Fabien
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