CockroachDB local cluster

Installation Environment

Cent OS 7

Cockroach v1.0

1. Download the installation file and unzip it

#tar xfz cockroach-v1.0.2.linux-amd64.tgz

add command to PATH

#cp -i cockroach-v1.0.2.linux-amd64/cockroach /usr/local/bin

verify

#cockroach version
Build Tag:    v1.0.2
Build Time:   2017/06/15 12:58:59
Distribution: CCL
Platform:     linux amd64
Go Version:   go1.8.3
C Compiler:   gcc 6.3.0
Build SHA-1:  9e3606bd2863ce7a460fd0c842414673d62f0533
Build Type:   release

2. Start the local cluster

first node

#cockroach start --insecure --host=localhost

CockroachDB node starting at 2017-07-02 15:24:13.041435481 +0800 CST
build:      CCL v1.0.2 @ 2017/06/15 12:58:59 (go1.8.3)
admin:      http://localhost:8080
sql:        postgresql://root@localhost:26257?sslmode=disable
logs:       /root/cockroach-data/logs
store[0]:   path=/root/cockroach-data
status:     restarted pre-existing node
clusterID:  aa46599a-2420-4c54-aff9-c3e4668a2633
nodeID:     1

 add other nodes

#cockroach start --insecure --store=node2 --host=localhost --port=26258 --http-port=8081 --join=localhost:26257
#cockroach start --insecure --store=node3 --host=localhost --port=26259 --http-port=8082 --join=localhost:26257

 3. Connect to the database

#cockroach sql --insecure
#cockroach sql --insecure --port=26258 //Connect to other nodes

 execute SQL

Exit SQL "\q", stop node  CTRL + C

4. Restart the cluster

#cockroach start --insecure --host=localhost
#cockroach start --insecure --store=node2 --host=localhost --port=26258 --http-port=8081 --join=localhost:26257
#cockroach start --insecure --store=node3 --host=localhost --port=26259 --http-port=8082 --join=localhost:26257

 

In addition, CockroachDB also supports Docker to build clusters