Abnormal incremental scan caused a continuous increase in resolvedTs
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@lidezhu is already working on this.
Since Mar 12, 2026.
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Description
I test rolling upgrade with PR: https://github.com/pingcap/ticdc/pull/4190
Most of the time the lag is normal, but occasionally there have been instances where the lag keeps increasing, and even after stopping upstream traffic, it takes a long time for the lag to decrease. There are a total of 10 changefeeds, each with 100 tables.
Abnormal One:
Normal One:
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