On Wed, Aug 08, 2018 at 11:42:48PM +0200, Baptiste wrote: > Until HAProxy 1.7, the DNS resolver was able to allocate the same IP > address to all (or a portion of) servers sharing the same hostname and > being in the same backend. > This behavior annoyed the people who wants to scale based on DNS response, > hence we introduced prevention of duplication of IP addresses for servers > sharing the same hostname and being in the same backend. So we fixed it in > 1.8 with no possibility no "disable" this behavior. > There are still some use cases where people may want to use the same IP > address for multiple servers (they are running several instances of the > same application on a server but on different ports, they use the same dev > server several times in the backend, etc...). > > So this patch doesn't change default behavior introduced in 1.8 while > allowing to change it when required.
Many thanks, now backported with a summary of this explanation. Willy
