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Haproxy only solves a single Part of the Problem. If you do DNS based failover you should really Check how clients behave, when one node goes down. Without a fl
by merb 8y ago
Haproxy only solves a single Part of the Problem. If you do DNS based failover you should really Check how clients behave, when one node goes down. Without a floating ip or a cloud lb, some stuff will be troublesome
- takeda 8y agoThe haproxy method doesn't rely on DNS at all so I'm a bit confused.
- merb 8y agowell either it uses DNS for failover or you have ipvs (lvs, keepalived) enabled or worse if the machine with haproxy crashes your basically dead. Of course there is also bgp and anycast, but this is not "cheap"
- takeda 8y agoThat's not how it works. It is very similar to sidecar approach which various service discovery solutions have. You have haproxy running locally on localhost and you communicate with it, the haproxy then routes the request to right nodes. No DNS, no LVS and no keepalived.
- merb 8y agowell I've talked about edge Load Balancing..