On Fri, Jan 2, 2009 at 18:23, Tom Lane <[email protected]> wrote: > "Alex Hunsaker" <[email protected]> writes: >> Its seems to me a linear list would make the "common" case where the >> query is already in the list but we need to update the stats slow. > > No, the hashtable is still there for lookups. The list would be a means > of determining which hashtable entry to release when we're out of space.
Ahh ok well #1 seems easier to do and it seems like it would even be faster than a clock and sweep... -- Sent via pgsql-hackers mailing list ([email protected]) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
