sink (ticdc): fix a deadlock due to checkpointTs fall back in sinkNode (#4084)#4098

Merged

ti-chi-bot merged 8 commits intopingcap:release-5.2from ti-chi-bot:cherry-pick-4084-to-release-5.2

Jan 12, 2022

+69-2

Commits on Dec 28, 2021

This is an automated cherry-pick of pingcap#4084

asddongmen
authored and
ti-chi-bot
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Commits on Jan 12, 2022

Merge branch 'release-5.2' into cherry-pick-4084-to-release-5.2
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