* Matthew Wakeling: > The data needs to be written first to the WAL, in order to provide > crash-safety. So you're actually writing 1600MB, not 800. In addition to that, PostgreSQL 8.4.2 seems pre-fill TOAST files (or all relations?) with zeros when they are written first, which adds another 400 to 800 MB. -- Florian Weimer <fweimer@xxxxxx> BFK edv-consulting GmbH http://www.bfk.de/ Kriegsstraße 100 tel: +49-721-96201-1 D-76133 Karlsruhe fax: +49-721-96201-99 -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance
