Robert Haas <robertmh...@gmail.com> writes:
> ... while the main buffer manager is
> content with some loosey-goosey approximation of recency, the SLRU
> code makes a fervent attempt at strict LRU (slightly compromised for
> the sake of reduced locking in SimpleLruReadPage_Readonly).
Oh btw, I haven't looked at that code recently, but I have a nasty
feeling that there are parts of it that assume that the number of
buffers it is managing is fairly small. Cranking up the number
might require more work than just changing the value.
regards, tom lane
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