When deploying the TiCDC environment replication architecture, the bdr mode needs to be enabled. What does this mode mean?

Note:
This topic has been translated from a Chinese forum by GPT and might contain errors.

Original topic: 部署TiCDC环境复制架构的时候要启用 bdr 模式,这个模式是什么意思?

| username: liarby

[TiDB Usage Environment] Production Environment / Testing / Poc
[TiDB Version]
[Reproduction Path] Deploy dual-cluster bidirectional synchronization
image

[Encountered Problem: Problem Phenomenon and Impact] Without enabling BDR mode, there are issues with DDL and DML being repeatedly executed; with BDR mode enabled, there is no repeated execution. What does this BDR mode mean?
[Resource Configuration] Go to TiDB Dashboard - Cluster Info - Hosts and take a screenshot of this page
[Attachment: Screenshot/Log/Monitoring]

| username: ShawnYan | Original post link

bdr-mode, Bidirectional Replication

| username: tidb菜鸟一只 | Original post link

BDR stands for Bi-Directional Replication.