[cloud native] - docker installation and deployment of distributed database oceanbase

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Preface

Fast experience OceanBase Of Automate the deployment process , And understand OceanBase Directory features and usage after successful cluster installation

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️ 1. What is? OceanBase

OceanBase It is a domestic native distributed database independently developed by ant group , From 2010 year . Continuous 9 Years of stable support 11, Innovative launch “ Three places five centers ” New urban disaster recovery standards , It's a TPC-C and TPC-H A domestic native distributed database that has set a new world record in the test . The product adopts self-developed integrated architecture , Take into account the scalability of distributed architecture and the performance advantages of centralized architecture , Support with one set of engines at the same time TP and AP Mixed load of , With strong data consistency 、 High availability 、 High performance 、 Online expansion 、 Highly compatible SQL Standards and mainstream relational databases 、 Low cost and so on .

️ 2. Hardware requirements

1. There are notebooks or servers , Memory at least 12G .
2. The operating system is not limited to , Can be installed Docker Just the environment .
Docker Official mirror image ：https://hub.docker.com/r/obpilot/oceanbase-ce

️ 3.docker Deploy OceanBase

3.1 download ob docker Mirror image

Download mirroring ：
docker pull obpilot/oceanbase-ce:latest

3.2 Create a container

New container creation
docker run -itd -m 10G -p 2881:2881 -p 2883:2883
–name oceanbase-ce obpilot/oceanbase-ce:latest
Into the container
[[email protected] ~]# docker exec -it oceanbase-ce bash
After entering the container , You can see readme.md file

3.3 obd Tools to view clusters and start

--   See the list of clusters 
[[email protected] ~]$ obd cluster list
 The configuration file ：/home/admin/.obd/cluster/obdemo/config.yaml

--  Start cluster  
[[email protected] ~]$  obd cluster start obdemo
 If you encounter the following two errors 
[ERROR] (127.0.0.1) open files number must not be less than 20000 (Current value: 1024)
[ERROR] (127.0.0.1) not enough memory. (Free: 6.7G, Need: 8.0G)
 One is that the maximum number of files opened by users is not enough , One is insufficient available memory 8G, Successfully started after solving .

[[email protected] ~]$ obd cluster list   
+------------------------------------------------------------+
|                        Cluster List                        |
+--------+---------------------------------+-----------------+
| Name   | Configuration Path              | Status (Cached) |
+--------+---------------------------------+-----------------+
| obdemo | /home/admin/.obd/cluster/obdemo | running         |
+--------+---------------------------------+-----------------+

[[email protected] ~]$ netstat -tulnp | grep 88
tcp        0      0 0.0.0.0:2881            0.0.0.0:*               LISTEN      95/observer         
tcp        0      0 0.0.0.0:2882            0.0.0.0:*               LISTEN      95/observer         
tcp        0      0 0.0.0.0:2883            0.0.0.0:*               LISTEN      714/obproxy         
tcp        0      0 0.0.0.0:2884            0.0.0.0:*               LISTEN      714/obproxy       

3.4 Sign in ob Database and create tenants

admin The user's password is : adminPWD123

[[email protected] ~]$ obclient -h127.1 [email protected]#obce-single -P2883 -prootPWD123 -c -A oceanbase
Welcome to the OceanBase.  Commands end with ; or \g.
Your MySQL connection id is 3
Server version: 5.6.25 OceanBase 3.1.1 (r4-8c615943cbd25a6f7b8bdfd8677a13a21709a05e) (Built Oct 21 2021 10:52:05)

Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

MySQL [oceanbase]> show databases;
+--------------------+
| Database           |
+--------------------+
| oceanbase          |
| information_schema |
| mysql              |
| SYS                |
| LBACSYS            |
| ORAAUDITOR         |
| test               |
+--------------------+
7 rows in set (0.014 sec)

Create resource unit 、 Resource pool 、 Tenant

MySQL [oceanbase]> CREATE resource unit S4C1G max_cpu=4, min_cpu=4, max_memory='1G', 
min_memory='1G', max_iops=10000, min_iops=1000, max_session_num=1000000, max_disk_size='1024G';

MySQL [oceanbase]> CREATE resource pool my_pool unit = 'S4C1G', unit_num = 1;

MySQL [oceanbase]> create tenant obmysql resource_pool_list=('my_pool'), primary_zone='RANDOM',comment 'mysql tenant/instance', charset='utf8' set ob_tcp_invited_nodes='%', ob_compatibility_mode='mysql'; 

3.5 Sign in obmysql tenant And create databases and tables

[[email protected] ~]$ obclient -h 127.1 [email protected]#obce-single -P2883 -p -c -A test
Enter password: 
Welcome to the OceanBase.  Commands end with ; or \g.
Your MySQL connection id is 7
Server version: 5.6.25 OceanBase 3.1.1 (r4-8c615943cbd25a6f7b8bdfd8677a13a21709a05e) (Built Oct 21 2021 10:52:05)

Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

MySQL [test]> show databases;
+--------------------+
| Database           |
+--------------------+
| oceanbase          |
| information_schema |
| mysql              |
| test               |
+--------------------+
4 rows in set (0.005 sec)

MySQL [test]> create database mesdb charset utf8mb4;
Query OK, 1 row affected (0.118 sec)

MySQL [test]> use mesdb
Database changed
MySQL [mesdb]> 
MySQL [mesdb]> 
MySQL [mesdb]> 
MySQL [mesdb]> source /tmp/mysql_employees.sql