cockroach官方文档翻译---3.1 部署一个测试集群
3. 部署
3.1 部署一个测试集群
最简单的方法，去测试一个不安全的多节点的集群，使用AWSCloudFormation 模板简单的启动，使用kubernetes自动部署，缩放，管理，重新平衡客户端负载.
**在你开始之前
---限制
---要求
步骤1：开始cockroachDB
步骤2：测试cluster
步骤3：开始加载
**在你开始前
查看限制
cockroachDB AWSCloudFormation 用于测试，不用于产品
1）你对集群最多15个节点
2)
步骤2：测试集群
[root@localhostinsecure]# echo $(hostname)
localhost.localdomain
[root@localhostinsecure]# cockroach sql \
>--insecure \
>--port=26260 \
>--url="postgresql://[email protected]:26260?application_name=cockroach&sslmode=disable"
#Welcome to the cockroach SQL interface.
#All statements must be terminated by a semicolon.
#To exit: CTRL + D.
#
#Server version: CockroachDB CCL v1.1.4 (linux amd64, built 2018/01/0817:32:42, go1.8.3) (same version as client)
#Cluster ID: 389597df-d6c6-4e28-a105-82273abb89a4
#
#Enter \? for a brief introduction.
#
[email protected]:26260/>CREATE DATABASE bank;
CREATEDATABASE
Time:40.883241ms
[email protected]:26260/>CREATE TABLE bank.accounts (id INT PRIMARY KEY, balance DECIMAL);
CREATETABLE
Time:44.806569ms
[email protected]:26260/>INSERT INTO bank.accounts VALUES (1, 1000.50);
INSERT1
Time:33.69582ms
[email protected]:26260/>SELECT * FROM bank.accounts;
+----+---------+
|id | balance |
+----+---------+
| 1 | 1000.50 |
+----+---------+
(1row)
Time:4.416721ms
安装go
[root@localhost home]# yum install go -y
配置go的工作路径[root@localhost ~]# mkdir ~/go_workspace[root@localhost ~]# echo 'export GOPATH="$HOME/go_workspace"'>> ~/.bashrc[root@localhost ~]# source ~/.bashrc[root@localhost ~]# lsanaconda-ks.cfg go_workspace[root@localhost ~]# echo $GOPATH/root/go_workspace安装therandload generator:
步骤3：开始一个load generator
[root@localhost ~]# go get github.com/cockroachdb/loadgen/rand
[root@localhost bin]# pwd
/root/go_workspace/bin
rand --host=localhost.localdomain bank accounts
[root@localhost ~]# cd go_workspace/
[root@localhostgo_workspace]# ls
bin pkg src
[root@localhostgo_workspace]# cd bin
[root@localhostbin]# ls
rand
[root@localhostbin]# pwd
[root@localhostbin]# echo $(hostname)
localhost.localdomain
[root@localhostbin]# rand --host=localhost.localdomain bank accounts
bash: rand: commandnot found...
[root@localhostbin]# go version
go version go1.7.6linux/amd64
[root@localhostbin]# cp -i rand /usr/local/bin
[root@localhostbin]# rand --port=26260 --host=localhost.localdomain bank accounts
_elapsed___errors__ops/sec(inst)___ops/sec(cum)__p50(ms)__p95(ms)__p99(ms)_pMax(ms)
1s 0 188.9 188.9 41.9 52.4 54.5 56.6
2s 0 189.0 188.9 41.9 50.3 54.5 60.8
3s 0 188.0 188.6 44.0 52.4 54.5 54.5
4s 0 185.0 187.7 46.1 52.4 58.7 60.8
5s 0 189.0 188.0 41.9 54.5 60.8 71.3
6s 0 188.0 188.0 41.9 54.5 58.7 58.7
7s 0 189.0 188.1 41.9 52.4 54.5 54.5
8s 0 185.0 187.7 44.0 52.4 54.5 54.5
9s 0 187.0 187.7 44.0 52.4 54.5 56.6
10s 0 186.0 187.5 44.0 50.3 54.5 56.6
11s 0 188.0 187.5 41.9 52.4 58.7 58.7
12s 0 187.0 187.5 41.9 52.4 56.6 58.7
13s 0 187.0 187.5 41.9 52.4 54.5 54.