On Fri, 2007-07-13 at 12:38 -0500, Jim C. Nasby wrote: > One question... can operations that shortcut the WAL by fsyncing direct > to disk also use async commit? I suspect the answer is an implicit "no" > because the only examples I can think of all involve DDL, but it's > probably worth spelling that out...
They can, but the WAL-avoiding ops are all designed for bulk ops, so you'll get something like 0.0001% benefit by using async commit for them. They are just as safe/unsafe as other async commits. Thanks for reading. -- Simon Riggs EnterpriseDB http://www.enterprisedb.com ---------------------------(end of broadcast)--------------------------- TIP 7: You can help support the PostgreSQL project by donating at http://www.postgresql.org/about/donate