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cockroachDBAWSCloudFormation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]#cockroachsql\

>--insecure\

>--port=26260\

>--url="postgresql://root@localhost.localdomain:26260?application_name=cockroach&sslmode=disable"

#WelcometothecockroachSQLinterface.

#Allstatementsmustbeterminatedbyasemicolon.

#Toexit:CTRL+D.

#

#Serverversion:CockroachDBCCLv1.1.4(linuxamd64,built2018/01/0817:32:42,go1.8.3)(sameversionasclient)

#ClusterID:389597df-d6c6-4e28-a105-82273abb89a4

#

#Enter\?forabriefintroduction.

#

root@localhost.localdomain:26260/>CREATEDATABASEbank;

CREATEDATABASE

Time:40.883241ms

root@localhost.localdomain:26260/>CREATETABLEbank.accounts(idINTPRIMARYKEY,balanceDECIMAL);

CREATETABLE

Time:44.806569ms

root@localhost.localdomain:26260/>INSERTINTObank.accountsVALUES(1,1000.50);

INSERT1

Time:33.69582ms

root@localhost.localdomain:26260/>SELECT*FROMbank.accounts;

+----+---------+

|id|balance|

+----+---------+

|1|1000.50|

+----+---------+

(1row)

Time:4.416721ms

安装

go

[root@localhosthome]#yuminstallgo-y

配置

go

的工作路径

[root@localhost~]#mkdir~/go_workspace

[root@localhost~]#echo'exportGOPATH="$HOME/go_workspace"'>>~/.bashrc

[root@localhost~]#source~/.bashrc

[root@localhost~]#ls

anaconda-ks.cfggo_workspace

[root@localhost~]#echo$GOPATH

/root/go_workspace

安装

the 

rand

loadgenerator:

[/code]

步骤3：开始一个[code]loadgenerator

[/code] 

[root@localhost~]#gogetgithub.com/cockroachdb/loadgen/rand

[root@localhostbin]#pwd

/root/go_workspace/bin

rand--host=

localhost.localdomain

bankaccounts

[root@localhost~]#cdgo_workspace/[root@localhostgo_workspace]#lsbinpkgsrc[root@localhostgo_workspace]#cdbin[root@localhostbin]#lsrand[root@localhostbin]#pwd[root@localhostbin]#echo$(hostname)localhost.localdomain[root@localhostbin]#rand--host=localhost.localdomainbankaccountsbash:rand:commandnotfound...[root@localhostbin]#goversiongoversiongo1.7.6linux/amd64[root@localhostbin]#cp-irand/usr/local/bin[root@localhostbin]#rand--port=26260--host=localhost.localdomainbankaccounts_elapsed___errors__ops/sec(inst)___ops/sec(cum)__p50(ms)__p95(ms)__p99(ms)_pMax(ms)1s0188.9188.941.952.454.556.62s0189.0188.941.950.354.560.83s0188.0188.644.052.454.554.54s0185.0187.746.152.458.760.85s0189.0188.041.954.560.871.36s0188.0188.041.954.558.758.77s0189.0188.141.952.454.554.58s0185.0187.744.052.454.554.59s0187.0187.744.052.454.556.610s0186.0187.544.050.354.556.611s0188.0187.541.952.458.758.712s0187.0187.541.952.456.658.713s0187.0187.541.952.454.554.