pingcap / pingcap/ticdc

With 200,000 tables, the Sync Point got stuck when the CDC server restarted

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#4,006 1 comment 0 reactions 1 assignee View on GitHub

@hongyunyan is already working on this.

Since Jan 15, 2026.

severity/major type/bug
Dominant language
Go
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56
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63
Avg merge
2d 20h
Merged PRs (30d)
34

Description

Image

After the CDC restart, the maintainer consistently failed to collect all the necessary dispatcher syncpoints, causing syncpoint advancement to stall. No obvious message loss or congestion was observed.

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