*: disable read committed isolation level #7282
Merged
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Cherry-pick #7280
read committed isolation may cause inconsistent read.
What have you changed? (mandatory)
disable read committed isolation level
What is the type of the changes? (mandatory)
How has this PR been tested? (mandatory)
Run concurrent DML statements with admin check table.
Does this PR affect documentation (docs/docs-cn) update? (mandatory)
YES
Does this PR affect tidb-ansible update? (mandatory)
NO
Does this PR need to be added to the release notes? (mandatory)
YES
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