optimize ttl (#2669)#2672

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ti-chi-bot merged 2 commits intopingcap:release-3.1from

ti-chi-bot:cherry-pick-2669-to-release-3.1

Apr 18, 2023

Commits on Apr 17, 2023

This is an automated cherry-pick of #2669

shiyuhang0
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ti-chi-bot
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Commits on Apr 18, 2023

resolve conflict
shiyuhang0
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