Hi George, I believe the JVM will have cache to this DNS records. And maybe OS will also cache it. Had a quick look, Kafka doesn't cache it.
Thanks. Luke On Thu, Jun 1, 2023 at 1:21 AM George Goh <george...@spodon.com> wrote: > Hi! > > I’m considering to use the following configuration for my producers and > consumers: > > client.dns.lookup=”use_all_dns_ips” > > So that I only have a single DNS entry to manage the list of brokers. > > I also have another cluster connected via MirrorMaker 2, which serves as a > failover. > > My question is, if I was to change the DNS entry to point to the 2nd > cluster, is there a delay before clients pick up the new A Records due to > caching? If yes, can caching be disabled? > > Thank you. >