The database gateway (DBGateway) is a component of Database Autonomy Service (DAS, formerly known as HDM). You can use DBGateway to automatically collect information about a database such as performance metrics and topology to view the performance trends, real-time performance, and replication relationships of the database.
- Non-intrusive design
DAS is designed to be non-intrusive so that you can install DBGateway on a single non-database host instead of having to install DBGateway on each database instance.
If you require disaster recovery, we recommend that you install DBGateway separately on two database instances.
Security and stability
DBGateway requires only the read-only permissions on database system tables and requires no read permissions on business tables.
Data is encrypted and compressed before being transmitted to ensure that the data is secure and under proper control.
A DBGateway can manage more than 1,000 database instances.
The root permissions of the Linux server are required.
- CPU: Intel quad-core 2.2 GHz or higher, or AMD CPU with equivalent performance.
- Memory: 8 GB or larger.
- Disk: at least 1 GB of disk space in the /opt directory.
Linux kernel version 2.6.32 or later.
64-bit operating systems only.
DBGateway is connected to Alibaba Cloud through Express Connect, VPN gateways, or the Internet. For more information, see Network connection methods.
The actual available bandwidth of the network must be no less than 10 Mbit/s.
DBGateway is installed in the /opt/ directory.