Adrian von Bidder <avbidder@xxxxxxxxxxx> writes: > With our test dump, the db (after import) is ca. 300M on disk, ca. half in > WAL files (pg_xlog.) If I could mostly get rid of the WAL (keep it to a > bare minimum and run pg without fsync, something like that), the remaining > 160 to 180M would be ok. checkpoint_segments is the main tunable determining the amount of WAL space. Lowering it will increase the amount of write activity, but for a ramdisk I don't think you care. Depending on your usage patterns, it might be worth making autovacuum more aggressive to ensure that table bloat stays under control. regards, tom lane -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general