nbproc1, ksoftirqd and response time - just can't get it

2011-07-17 Thread Dmitriy Samsonov
My test setup is three Dell r410 servers (dual Intel(R) Xeon(R) CPU X5650 @ 2.67GHz - 24 threads total, 128Gb RAM) all connected to 1Gbps network. One server is haproxy, configured to block all requests with 'Accept-Encoding: none': global daemon maxconn 8 option forwardfor retries 10

Re: nbproc1, ksoftirqd and response time - just can't get it

2011-07-18 Thread Dmitriy Samsonov
Hi! 2011/7/18 Willy Tarreau w...@1wt.eu Hi, On Mon, Jul 18, 2011 at 06:42:54AM +0400, Dmitriy Samsonov wrote: My test setup is three Dell r410 servers (dual Intel(R) Xeon(R) CPU X5650 @ 2.67GHz - 24 threads total, 128Gb RAM) all connected to 1Gbps network. One server is haproxy

Re: nbproc1, ksoftirqd and response time - just can't get it

2011-07-18 Thread Dmitriy Samsonov
Hi! Fine, this is a lot better now. Since you're running at 2000 concurrent connections, the impact on the cache is noticeable (at 32kB per connection for haproxy, it's 64MB of RAM possibly touched each second, maybe only 16MB since requests are short and fit in a single page). Could you

Re: nbproc1, ksoftirqd and response time - just can't get it

2011-07-19 Thread Dmitriy Samsonov
to remove MSI support when loading bnx2. I have almost no hope to see 100k here, but I'm just curios:) 2011/7/19 Willy Tarreau w...@1wt.eu Hi Dmitriy, On Tue, Jul 19, 2011 at 04:25:29AM +0400, Dmitriy Samsonov wrote: Using one/two clients with ab2 -c 250 -H 'Accept-Encoding: None' -n

Re: nbproc1, ksoftirqd and response time - just can't get it

2011-07-19 Thread Dmitriy Samsonov
Hi! If you were running with hyperthreading, then it's very likely that the working cores were polluted by other activity on their siblings. In our appliances we manage to reach high perf even with HT left enabled, just because we are very careful to bind only the first thread of each real

Re: nbproc1, ksoftirqd and response time - just can't get it

2011-07-25 Thread Dmitriy Samsonov
% percent of which are trash to be blocked? 2011/7/20 Willy Tarreau w...@1wt.eu Hi Dmitriy, On Wed, Jul 20, 2011 at 06:33:27AM +0400, Dmitriy Samsonov wrote: Very strange, but your experience is enourmous so I'd be better to listen to you. As I wrote, before disabling HT I've tested all possible

Re: nbproc1, ksoftirqd and response time - just can't get it

2011-07-26 Thread Dmitriy Samsonov
Hi! 2011/7/26 Willy Tarreau w...@1wt.eu There is an option in Del''s servers to install Intel's 10Gbit NIC - it is working a way faster (x3, x5) then broadcom. Intel's 10G NICs are fast, but generally hard to tune, you have a hard trade-off between data rate and latency. Basically you

Re: nbproc1, ksoftirqd and response time - just can't get it

2011-07-26 Thread Dmitriy Samsonov
No, this DDoS was from different IPs in 40-50 countries, so it was performed by zombies. As far as I can tell it was performed with Agressor2.0 botnet, successor of DirtyJump3.0. This botnet is constructed to let even 3 y.o. attacker to make serious imact. Each bot not only performs 'http-flood',

Re: how to force curernt session when active is down

2014-01-16 Thread Dmitriy Samsonov
Hi! That's related to rabbiit's default heartbeat timeout. You can set it to lower value when connecting. Also there is a way to check if message was actually delivered to the broker, take a look at rabbiit's docs. пятница, 17 января 2014 г. пользователь Andrei Chevenkov написал: Hi, I am

Re: how to force curernt session when active is down

2014-01-17 Thread Dmitriy Samsonov
time. Have also tried heartbeat and that did help, but this is initiated by the client and I would like to see if haproxy can manage this. I.e. close all sessions on a node that is marked as DOWN. On 17/01/2014 8:09 pm, Dmitriy Samsonov dmitriy.samso...@gmail.com wrote: Hi! That's related