cool. this explains the whole method. thanks!! 2009/3/23 Igor V. Savchenko (DicsyDel) <[email protected]>
> > Arie, please check this article. I think you will find an answer to > your question here: > http://wiki.nginx.org/NginxHttpUpstreamModule > > On Mar 23, 3:32 pm, Arie Fishler <[email protected]> wrote: > > ...but how often? what's the method used for that? Is there a health > check > > on the port 80? ping to the server? > > > > 2009/3/23 brandonlee <[email protected]> > > > > > > > > > > > > > IP Hashes are recomputed if a backend server dies... > > > > > On Mar 23, 1:25 pm, Arie Fishler <[email protected]> wrote: > > > > yea...but by IP to where? It needs to make sure that it sends a > request > > > to a > > > > valid server. > > > > > > If IP x goes to server 1 but server 1 is now dead...how often is the > app > > > > server list updated to reflect that server 1 does not exist. I guess > it > > > is > > > > supposed to be dns stuff that removes it from the app servers list? > > > > > > By the way...if this is the way it is handled then the only way nginx > > > will > > > > have a server removed from the load balancing is by dns? if there is > an > > > > application that gets stuck (server remains up) it will keep > redirecting > > > > requests to it? no way to define some health check? > > > > > > 2009/3/23 Alex Kovalyov <[email protected]> > > > > > > > Disregard previous reply. > > > > > no cookies. > > > > > It sticks you by IP addy. > > > > > > > On 23 мар, 13:05, Alex Kovalyov <[email protected]> wrote: > > > > > > Per FAQ (scalr.net/faq.php), LB(nginx) uses cookies to stick > client > > > to > > > > > > a particular app instance. > > > > > > > > Check logs. > > > > > > > > On 22 мар, 05:35, Nathan Palmer <[email protected]> wrote: > > > > > > > > > It seems like we have a problem where users of my site are > getting > > > > > > > stuck sending their traffic to a server that is possibly not in > use > > > > > > > anymore. They get the SCALR error page, but if they clear their > > > cache/ > > > > > > > cookies and try again it goes just fine. > > > > > > > > > Is it storing something in a cookie that keeps them going to > the > > > > > > > server that doesn't exist? > > > > > > > > > Nathan- Hide quoted text - > > > > > > - Show quoted text -- Hide quoted text - > > > > - Show quoted text - > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "scalr-discuss" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/scalr-discuss?hl=en -~----------~----~----~----~------~----~------~--~---
