Bruce Momjian <pgman@candle.pha.pa.us> writes:
> Manfred Spraul wrote:
>> I remember there were patches that tried other algorithms instead of the
>> simple LRU for the buffer manager. Has anyone tried to change the
>> locking of the buffer manager?
> CVS HEAD already has an Adaptive Replacement Cache (ARC) for buffer
> replacement.
That's irrelevant to the problem, though. Unless the ARC code uses data
structures that are more amenable to localized locking than the old
global buffer freelist. (Jan?)
regards, tom lane