Bruce Momjian <[EMAIL PROTECTED]> writes: > Matthew Wakeling wrote: >> Does it really take that long to zero out 8kB of RAM? I thought CPUs were >> really quick at doing that!
> Yea, that was my assumption too. You have to write the page (to be sure there is space for it on disk) not only zero it. This design is kind of a holdover, though, from back when we had one ever-growing clog file. Today I'd be inclined to think about managing it more like pg_xlog, ie, have some background process pre-create a whole segment file at a time. regards, tom lane -- Sent via pgsql-performance mailing list (pgsql-performance@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance