balance: lower the OOM risk level during TiDB bootstrap (#1167)#1169
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ti-chi-bot[bot] merged 1 commit intoJun 5, 2026
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## release-nextgen-202603 #1169 +/- ##
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This is an automated cherry-pick of #1167
What problem does this PR solve?
Issue Number: close #848
Problem Summary:
When TiDB starts, the memory usually increases sharply, leading to fake OOM risk. This will cause unnecessary session migrations.
What is changed and how it works:
Adjust the
TimeToOOMtotimeToOOM = time.Duration(float64(timeToOOM) / latestUsage * 0.6)./latestUsage: the lower the current usage is, the longer the timeToOOM is* 0.6: lower thetimeToOOMso that the thresholds don't need to be changedCheck List
Tests
Notable changes
Release note
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