Hi Lukas, On Fri, Aug 30, 2013 at 10:27:34AM +0200, Lukas Tribus wrote: > > Is there a way to redispatch the requests to other servers ignoring the > > persistence on queue timeout? > > No; after a queue timeout (configurable by "timeout queue"), haproxy will > drop the request. > > Think of what would happen when we redispatch on queue timeout: > > The request would wait seconds for a free slot on the backend and only > then be redispatched to another server. This would delay many requests > and hide the problem from you, while your customers furiously switch > to a competitor.
It could be even worse if you do so with caches : this will end up mixing objects among all nodes when one cache takes a long time to respond, resulting in a lower hit rate, so a higher general load increasing this problem, and you could very well end up killing the whole farm in a domino effect. Willy
