Distributed fun with etcd

Welcome to the first meetup of DistSys Riyadh group

Thanks to InspireU for hosting this event.

In this first meetup we will present one of the most common problems in distributed systems: consensus.

The consensus problem
Paxos and raft
What is etcd?
etcd use cases
etcd as a kv store
etcd consistency guarantees
etcd failure modes
Leader election
Distributed locks
Cluster configuration
Service discovery
How kubernetes uses etcd
Demo:

1. PostgreSQL leader election with patroni and etcd
2. Using etcd and confd for dynamic pull based cluster reconfiguration