obd离线部署OceanBase报错;
[admin@localhost ~]$ obd cluster deploy -i
Enter the IP (Default: 127.0.0.1): 192.168.40.110
Enter the current user password:
get system config ok
No need to change system parameters
Do you want to modify the parameters above? [y/n] [Default: y]:
get system config ok
No need to change system parameters
Enter the cluster name (Default: myoceanbase; allowed characters: letters, numbers, and underscores):
+-----------------------------------------------------------------------------------------------------+
| Available Oceanbase |
+--------------+---------+------------------------+--------+------------------------------------------+
| name | version | release | arch | md5 |
+--------------+---------+------------------------+--------+------------------------------------------+
| oceanbase-ce | 4.3.5.3 | 103000092025080818.el7 | x86_64 | 8120a146d35cd47a9289d91990c8b44a8c21675d |
+--------------+---------+------------------------+--------+------------------------------------------+
Enter the OB SQL port (Default: 2881):
Enter the OB RPC port (Default: 2882):
Enter the obshell port (Default: 2886):
Enter the OB root password (Default: 7VgTKmtayeLXZonzJ3MY):
Enter the OB cpu count (Default: 2):
The cpu_count cannot be less than 8. It will be set to 8 automatically.
[ERROR] The machine's minimum memory cannot be less than min_value (6G). Please try again.
See https://www.oceanbase.com/product/ob-deployer/error-codes .
Trace ID: ea45a458-8d30-11f0-8df1-000c29e13c26
If you want to view detailed obd logs, please run: obd display-trace ea45a458-8d30-11f0-8df1-000c29e13c26
[admin@localhost ~]$ free -g
total used free shared buff/cache available
Mem: 7 0 4 0 2 3
Swap: 1 0 1
查看结果显示的内存不满足部署 OceanBase 数据库的内存要求，执行如下命令清空 Linux 缓存：PageCache、dentries 和 inodes。
sudo sysctl -w vm.drop_caches=3
#或
sudo echo 3 > /proc/sys/vm/drop_caches
再次安装依然报错：[ERROR] The machine's minimum memory cannot be less than min_value (6G). Please try again.
[admin@localhost ~]$ free -g
total used free shared buff/cache available
Mem: 7 0 7 0 0 4
Swap: 1 0 1
