You are viewing the archived documentation of TiDB, which no longer receives updates. View the latest LTS version docs ↗

DM-master Configuration File

This document introduces the configuration of DM-master, including the configuration file template and configurable items.

Configuration file template

The following is a configuration file template of DM-master.

# log configuration
log-file = "dm-master.log"

# DM-master listening address
master-addr = ":8261"

# DM-worker deployment. It will be refined when the new deployment function is available.
[[deploy]]
source-id = "mysql-replica-01"
dm-worker = "172.16.10.72:8262"

[[deploy]]
source-id = "mysql-replica-02"
dm-worker = "172.16.10.73:8262"

Configurable items

Global configuration

Name	Description
`log-file`	The log file. If not specified, the log is printed to the standard output.
`master-addr`	The address of DM-master which provides services. You can omit the IP address and specify the port number only, such as ":8261".

DM-worker configuration

Each DM-worker must be configured in separate [deploy] sections.

Name	Description
`source-id`	Uniquely identifies a MySQL or MariaDB instance, or a replication group with the primary-secondary structure, which needs to be consistent with the `source-id` of DM-worker.
`dm-worker`	The service address of DM-worker.