What is the relationship between bound and relay in DM's worker?

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

Original topic: dm的worker中bound和relay是什么关系

| username: Jjjjayson_zeng

【TiDB Usage Environment】Production Environment
【TiDB Version】v5.4.0
【Reproduction Path】Operations performed that led to the issue
【Encountered Issue: Issue Phenomenon and Impact】
【Resource Configuration】
【Attachments: Screenshots/Logs/Monitoring】

| username: db_user | Original post link

“Bound” refers to this worker being bound to a source, which is the upstream database. “Relay” indicates whether the synchronization task is ongoing. Your “stop-relay” command only pauses the synchronization task and does not change the bound status of the source.

| username: Jjjjayson_zeng | Original post link

What I want to know is how to change the binding status.

| username: Jjjjayson_zeng | Original post link

Moreover, does relay represent a synchronization task? Another issue is that memory overflow still exists in version 5.4.3.

| username: okenJiang | Original post link

You can refer to the documentation:

| username: Jjjjayson_zeng | Original post link

Thank you, master. I’ll study it first.

| username: system | Original post link

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