OceanBase 快速上手（二）

检查集群状态:

[root@db01 ~]# obd cluster list
+--------------------------------------------------+
|                   Cluster List                   |
+------+-------------------------+-----------------+
| Name | Configuration Path      | Status (Cached) |
+------+-------------------------+-----------------+
| test | /root/.obd/cluster/test | running         |
+------+-------------------------+-----------------+

停止集群：

[root@db01 ~]# obd cluster list
+--------------------------------------------------+
|                   Cluster List                   |
+------+-------------------------+-----------------+
| Name | Configuration Path      | Status (Cached) |
+------+-------------------------+-----------------+
| test | /root/.obd/cluster/test | stopped         |
+------+-------------------------+-----------------+
[root@db01 ~]# 

启动集群：

[root@db01 ~]#  obd cluster start test

Get local repositories and plugins ok
Open ssh connection ok
Cluster param config check ok
Check before start observer ok
[WARN] (127.0.0.1) The recommended value of fs.aio-max-nr is 1048576 (Current value: 65536)
[WARN] (127.0.0.1) The recommended number of open files is 655350 (Current value: 99999)

Start observer ok
observer program health check ok
Connect to observer ok
Wait for observer init ok
+---------------------------------------------+
|                   observer                  |
+-----------+---------+------+-------+--------+
| ip        | version | port | zone  | status |
+-----------+---------+------+-------+--------+
| 127.0.0.1 | 3.1.1   | 2881 | zone1 | active |
+-----------+---------+------+-------+--------+

test running

检查集群资源：

[root@db01 ~]#  obclient -h127.1 -uroot@sys -P2881 -prootPWD123 -c -A oceanbase
Welcome to the OceanBase.  Commands end with ; or \g.
Your MySQL connection id is 3221487629
Server version: 5.7.25 OceanBase 3.1.1 (r4-8c615943cbd25a6f7b8bdfd8677a13a21709a05e) (Built Oct 21 2021 10:33:14)

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]> select * from __all_unit;
+----------------------------+----------------------------+---------+------------------+----------+-------+-----------+----------+---------------------+-----------------------+----------------+--------+--------------+
| gmt_create                 | gmt_modified               | unit_id | resource_pool_id | group_id | zone  | svr_ip    | svr_port | migrate_from_svr_ip | migrate_from_svr_port | manual_migrate | status | replica_type |
+----------------------------+----------------------------+---------+------------------+----------+-------+-----------+----------+---------------------+-----------------------+----------------+--------+--------------+
| 2021-12-04 08:53:46.852722 | 2021-12-04 08:53:46.852722 |       1 |                1 |        0 | zone1 | 127.0.0.1 |     2882 |                     |                     0 |              0 | ACTIVE |            0 |
| 2021-12-04 09:06:22.540623 | 2021-12-04 09:06:22.540623 |    1001 |             1001 |        0 | zone1 | 127.0.0.1 |     2882 |                     |                     0 |              0 | ACTIVE |            0 |
+----------------------------+----------------------------+---------+------------------+----------+-------+-----------+----------+---------------------+-----------------------+----------------+--------+--------------+
2 rows in set (0.001 sec)

MySQL [oceanbase]> select * from v$unit;
+---------+----------------+------------------+------------------+--------------------+-------+-----------+-------------+-----------+----------+---------------------+-----------------------+---------+---------+------------+------------+----------+----------+---------------+---------------------+
| unit_id | unit_config_id | unit_config_name | resource_pool_id | resource_pool_name | zone  | tenant_id | tenant_name | svr_ip    | svr_port | migrate_from_svr_ip | migrate_from_svr_port | max_cpu | min_cpu | max_memory | min_memory | max_iops | min_iops | max_disk_size | max_session_num     |
+---------+----------------+------------------+------------------+--------------------+-------+-----------+-------------+-----------+----------+---------------------+-----------------------+---------+---------+------------+------------+----------+----------+---------------+---------------------+
|       1 |              1 | sys_unit_config  |                1 | sys_pool           | zone1 |         1 | sys         | 127.0.0.1 |     2882 |                     |                     0 |       5 |       5 | 1288490188 | 1073741824 |    10000 |     5000 |    5368709120 | 9223372036854775807 |
|    1001 |           1001 | S4C1G            |             1001 | my_pool            | zone1 |      1001 | obmysql     | 127.0.0.1 |     2882 |                     |                     0 |       4 |       4 | 1073741824 | 1073741824 |    10000 |     1000 | 1099511627776 |             1000000 |
+---------+----------------+------------------+------------------+--------------------+-------+-----------+-------------+-----------+----------+---------------------+-----------------------+---------+---------+------------+------------+----------+----------+---------------+---------------------+
2 rows in set (0.017 sec)

MySQL [oceanbase]>