Hello, On Mon, Oct 7, 2019 at 6:30 AM rihad <ri...@mail.ru> wrote: > Thanks! But according to the manual, shouldn't haproxy re-resolve AWS server > name regardless of its resolver settings? > > > A few other events can trigger a name resolution at run time: > - when a server's health check ends up in a connection timeout: this may be > because the server has a new IP address. So we need to trigger a name > resolution to know this new IP.
No. That is when the resolver is actually configured. Please read from the same section: > HAProxy allows using a host name on the server line to retrieve its IP address > using name servers. By default, HAProxy resolves the name when parsing the > configuration file, at startup and cache the result for the process' life. > This is not sufficient in some cases, such as in Amazon where a server's IP > can change after a reboot or an ELB Virtual IP can change based on current > workload. > This chapter describes how HAProxy can be configured to process server's name > resolution at run time. Regards, Lukas