Note:
This topic has been translated from a Chinese forum by GPT and might contain errors.
Original topic: 使用ticdc做增量备份出现增量延时情况
The issue encountered: There is a delay when using TiCDC for incremental backup, with two CDC nodes.
[Attachment: Screenshot/Log/Monitoring]
How is the load on the target database? Is it reaching the write bottleneck?
The load is within the normal range, with low CPU, IO, and memory usage. TPS is 1200+ and QPS is 4500+.
You can check the status of the upstream TiDB cluster and the write status of the downstream separately.