In this blog, I want to evaluate Group Replication Scaling capabilities to handle several writers, that is, when the read-write connection is established to multiple nodes, and in this case, two nodes. This setup is identical to my previous post, Evaluating Group Replication Scaling Capabilities in MySQL.
For this test, I deploy multi-node bare metal servers, where each node and client are dedicated to an individual server and connected between themselves by a 10Gb network.
I use the 3-nodes Group Replication setup.
Hardware specifications:
System | Supermicro; SYS-F619P2-RTN; v0123456789 (Other) Service Tag | S292592X0110239C Platform | Linux Release | Ubuntu 18.04.4 LTS (bionic) Kernel | 5.3.0-42-generic Architecture | CPU = 64-bit, OS = 64-bit Threading | NPTL 2.27 …[Read more]