Tom Lane wrote: > Bruce Momjian <pgman@candle.pha.pa.us> writes: > > So are you saying you are making T1, T2, B1, and B2 a fixed percentage > > of the buffer cache rather than making them adjust over time? > > B2 goes away entirely (if we keep four lists we violate claim 45) and > the other lists become fixed length, yes. > > We could also contemplate making them variable length according to some > other set of rules than ARC's, but then you get into having to parse the > other sixty-odd claims of the patent and decide what is a "different > enough" rule. > > At the moment I'm not seeing evidence that a variable policy beats a > fixed policy anyway. Unless someone comes up with a benchmark showing a > substantial advantage for ARC over 2Q, I think we should just declare > victory over this problem. We have plenty of other tasks on our plates.
Agreed. -- Bruce Momjian | http://candle.pha.pa.us pgman@candle.pha.pa.us | (610) 359-1001 + If your life is a hard drive, | 13 Roberts Road + Christ can be your backup. | Newtown Square, Pennsylvania 19073 ---------------------------(end of broadcast)--------------------------- TIP 5: Have you checked our extensive FAQ? http://www.postgresql.org/docs/faq
