Simon Riggs <si...@2ndquadrant.com> writes:
> My list of things to do included optimising
> GetRunningTransactionLocks(), run once per checkpoint.
> I was thinking I needed to try harder to avoid acquiring LWlocks on
> all the lock partitions.
> ISTM that I don't need to do this - lwlocks on lock partitions are
> almost never contended now, so this should go much faster than before.
> Any thoughts? Do we think it would benefit from further tweaking?
> I'll assume not unless I hear from somebody with a different idea.
ISTM that some evidence of a problem should be acquired before expending
sweat on a solution ... have you seen evidence that this creates any
real issue?
regards, tom lane
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