Stephen Frost <sfr...@snowman.net> writes:
> Isn't this the same issue which has prompted multiple people to propose
> (sometimes with code, as I recall) to rip out our internal spinlock
> system and replace it with kernel-backed calls which do it better,
> specifically by dealing with issues like the above? Have you seen those
> threads in the past? Any thoughts about moving in that direction?
All of the proposals of that sort that I've seen had a flavor of
"my OS is the only one that matters". While I don't object to
platform-dependent implementations of spinlocks as such, they're not
much of a cure for a generic performance issue.
regards, tom lane
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