On Thu, May 16, 2013 at 12:08:40PM -0400, Tom Lane wrote: > Stephen Frost <[email protected]> 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.
Uh, is this an x86-64-only optimization? Seems so. -- Bruce Momjian <[email protected]> http://momjian.us EnterpriseDB http://enterprisedb.com + It's impossible for everything to be true. + -- Sent via pgsql-hackers mailing list ([email protected]) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
