From: Ashutosh Bapat > Each node need to be confiugred and maintained. That requires efforts. > So we need to keep the number of nodes to a minimum. With a > coordinator and worker node segregation, we require at least two nodes > in a cluster and just that configuration doesn't provide much > scalability. With each node functioning as coordinator (facing > clients) and worker (facing other coordinators) keeps the number of > nodes to a minimum. It is good for HA.
I think so, too. Every node should behave as both the coordinator and the data node in XL parlance. But I don't preclude a central node. Some node needs to manage sequences, and it may as well manage the system catalog. Regards MauMau
