Re: HAProxy and DNS

2010-09-28 Thread Krzysztof Olędzki
On 2010-09-28 14:47, Guillaume Bourque wrote: Hi Krzysztof Hi Guillaume, Can you tell us which product you are using to answer dns request to achieve a 1000 req / sec. 1k rps is rather small load so I use isc-bind. Like I said - I have 4 servers, so each needs to handle only ~250 or ~340 r

Re: HAProxy and DNS

2010-09-28 Thread Guillaume Bourque
Hi Krzysztof Can you tell us which product you are using to answer dns request to achieve a 1000 req / sec. thanks Krzysztof Olędzki a écrit : On 2010-09-28 10:51, Hamnedalen, Mikael wrote: Hi. Anyone used HAProxy to load balance DNS requests ? It can't work. HAProxy is a http load bala

Re: HAProxy and DNS

2010-09-28 Thread Graeme Donaldson
Hi This is not currently possible. DNS queries use UDP as the transport in the vast majority of cases. TCP is rarely used. HAproxy does not do UDP load balancing. This was discussed on the list a while ago. See here for more info: http://en.wikipedia.org/wiki/Domain_Name_System#Protocol_details h

Re: HAProxy and DNS

2010-09-28 Thread Krzysztof Olędzki
On 2010-09-28 10:51, Hamnedalen, Mikael wrote: Hi. Anyone used HAProxy to load balance DNS requests ? It can't work. HAProxy is a http load balancer with tcp support, DNS is mainly UDP based with TCP fallback. I tried # DNS frontend dns_front bind 10.216.208.20:53 default_backend dns_s

HAProxy and DNS

2010-09-28 Thread Hamnedalen, Mikael
Hi. Anyone used HAProxy to load balance DNS requests ? I tried # DNS frontend dns_front bind 10.216.208.20:53 default_backend dns_serv backend dns_serv server dns1 192.176.113.155:53 check server dns2 192.176.113.156:53 check # DNS END But it didn't work. Any id