TiProxy Deployment Topology
This document describes the deployment topology of TiProxy based on the minimal TiDB topology.
TiProxy is a L7 proxy server for TiDB, which can balance connections and migrate sessions when possible.
Topology information
| Instance | Count | Physical machine configuration | IP | Configuration |
|---|---|---|---|---|
| TiDB | 3 | 16 VCore 32GB * 3 | 10.0.1.4 10.0.1.5 10.0.1.6 | Default port Global directory configuration |
| PD | 3 | 4 VCore 8GB * 3 | 10.0.1.1 10.0.1.2 10.0.1.3 | Default port Global directory configuration |
| TiKV | 3 | 16 VCore 32GB 2TB (nvme ssd) * 3 | 10.0.1.7 10.0.1.8 10.0.1.9 | Default port Global directory configuration |
| TiProxy | 2 | 4 VCore 8 GB * 1 | 10.0.1.11 10.0.1.12 | Default port Global directory configuration |
| Monitoring & Grafana | 1 | 4 VCore 8GB * 1 500GB (ssd) | 10.0.1.13 | Default port Global directory configuration |
Topology templates
For more information about the template for TiProxy, see The simple template for the TiProxy topology.
For detailed descriptions of the configuration items in the preceding TiDB cluster topology file, see Topology Configuration File for Deploying TiDB Using TiUP.
Key parameters
- The instance level
"-host"configuration intiproxy_serversonly supports IP, not domain name. - For detailed TiProxy parameter description, see TiProxy Configuration.