Tom Lane wrote: > "Jim C. Nasby" <[EMAIL PROTECTED]> writes: > > I believe there's something similar for OS X as well. The question is: > > would it be better to do that, or to just delay calling fsync until the > > OS has had a chance to write things out. > > A delay is not going to help unless you can suppress additional writes > to the file, which I don't think you can unless there's very little > going on in the database --- dirty buffers have to get written to make > room for other pages, checkpoint in progress or no.
I am afraid a delay between write and fsync is the only portable option we have right now --- there is hope that since the check point write, we will not have a huge number of dirty buffers at the start of the checkpoint that need to be written out. -- Bruce Momjian [EMAIL PROTECTED] EnterpriseDB http://www.enterprisedb.com + If your life is a hard drive, Christ can be your backup. + ---------------------------(end of broadcast)--------------------------- TIP 7: You can help support the PostgreSQL project by donating at http://www.postgresql.org/about/donate
