Re: how to force curernt session when active is down

2014-01-17 Thread Dmitriy Samsonov
down publishes big 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" >

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: nbproc>1, 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', b

Re: nbproc>1, ksoftirqd and response time - just can't get it

2011-07-26 Thread Dmitriy Samsonov
Hi! 2011/7/26 Willy Tarreau > > 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 tune t

Re: nbproc>1, ksoftirqd and response time - just can't get it

2011-07-25 Thread Dmitriy Samsonov
run haproxy on to serve lot's of HTTP requests 99% percent of which are trash to be blocked? 2011/7/20 Willy Tarreau > 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 li

Re: nbproc>1, 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: nbproc>1, ksoftirqd and response time - just can't get it

2011-07-19 Thread Dmitriy Samsonov
buting irqs on second core. Also I'm going to try 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 > > Hi Dmitriy, > > On Tue, Jul 19, 2011 at 04:25:29AM +0400, Dmitriy Samsonov wrote: >

Re: nbproc>1, 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: nbproc>1, ksoftirqd and response time - just can't get it

2011-07-18 Thread Dmitriy Samsonov
Hi! 2011/7/18 Willy Tarreau > 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. >

nbproc>1, 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 fro