Bruce Momjian <[EMAIL PROTECTED]> 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

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