Delay in DM Synchronization Task

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

Original topic: dm同步任务延时

| username: TiDBer_OB4kHrS7

[TiDB Usage Environment] Production Environment
[TiDB Version] v5.3.3
[Encountered Problem: Problem Phenomenon and Impact]
DM synchronization task is normal, DM logs are also normal, there is synchronization on the target end, but the DM task shows delay, and the binlog is not applied continuously.
[Resource Configuration]
[Attachment: Screenshot/Log/Monitoring]
DM Synchronization Task Status and Log (11.3 KB)

| username: 考试没答案 | Original post link

Let’s check the contents of the binlog on the source side.
image

Then extract the logs and take a look.