Simple 3 node CockroachDB cluster with HAProxy acting as load balancer
crdb-0
- CockroachDB nodecrdb-1
- CockroachDB nodecrdb-2
- CockroachDB nodelb
- HAProxy acting as load balancer
- run
docker-compose up
- visit the CockroachDB UI @ http://localhost:8080
- visit the HAProxy UI @ http://localhost:8081
- have fun!
Use the following to execute arbitrary SQL on the CockroachDB cluster. The following creates a database called test
.
docker-compose exec crdb-0 /cockroach/cockroach sql --insecure --execute="CREATE DATABASE test;"
Use the following commands to initialize and run the tpcc
sample workload
. For more details see this.
to initialize...
docker-compose exec crdb-0 /cockroach/cockroach workload init tpcc "postgresql://root@localhost:26257?sslmode=disable"
to run for 10m
...
docker-compose exec crdb-0 /cockroach/cockroach workload run tpcc --duration=10m "postgresql://root@localhost:26257?sslmode=disable"
docker exec -ti crdb-0 /bin/bash
docker exec -ti crdb-1 /bin/bash
docker exec -ti crdb-2 /bin/bash
docker exec -ti lb /bin/sh
docker-compose stop crdb-0
docker-compose stop crdb-1
docker-compose stop crdb-2