Gregory Stark <[EMAIL PROTECTED]> writes:
> I assume the right thing happens if multiple deadlock check signals fire for
> the same autovacuum?
Multiple signals shouldn't be a problem, but late-arriving ones could be.
It might be worth having autovac explicitly clear QueryCancelPending
after it's finished a table, so that a SIGINT sent because of activity
on one table couldn't force cancellation of vacuum on the next one.
regards, tom lane
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