On Wed, 2006-04-26 at 12:53 -0400, Tom Lane wrote: > > So we would be able to cache other items also? > > Only to the extent that you can guarantee a stale cache entry isn't a > problem. We've already done the analysis involved for the existing > metapage entries, but anything else would require more thought. (And > more cache flush events.)
You mean performance tests! Will do. Methinks that cache flushing is the key to performance for that idea. > > For that case we'd save N block accesses to locate the rightmost leaf > > page. > > Surely you mean log(N). Depends what N is. I meant the level, not the number of rows. -- Simon Riggs EnterpriseDB http://www.enterprisedb.com/ ---------------------------(end of broadcast)--------------------------- TIP 6: explain analyze is your friend
