High availability
Postgres FM
00:00
How to Avoid Split-Brain
Don't use tools which are not based on consensus algorithms like Raft or Paxas. Use patroni or similar tool which is based on consensus algorithm and a lot of work was invested to make it work properly. Many systems, many post- data, is not familiar with split-brain. So we have two primary nodes. And some rights go to one node,. other rights go to another node, and nobody knows how to merge them back. It's an unsolable problem, so you should avoid it. This is the biggest problem of what a lot of people are basically.
Transcript
Play full episode
