Prevent ExclusiveLease try_obtain inside db transactions
What does this MR do and why?
This MR adds a check to prevent ExclusiveLease
.try_obtain
inside db transactions.
This avoids IO in database transactions which could lead to idle transactions especially if there is a sleep in between lock attempts.
Checking at the lowest level (ExclusiveLease) casts the widest net to avoid violations.
This is corrective action for gitlab-com/gl-infra/production#17504 (comment 1750659403)
Reviews/Approvals tracking
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backend review by @reprazent
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backend maintainer approval - @hustewart
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test review approval - @panoskanell
+@hustewart
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clickhouse approval - @cablett
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verify approval - @pedropombeiro
MR acceptance checklist
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How to set up and validate locally
Numbered steps to set up and validate the change are strongly suggested.
Edited by Sylvester Chin