Jeff Janes <jeff.ja...@gmail.com> writes:
> If you told postgresql to tell the kernel not to cache the data it reads,
> how would this help?

I seem to recall also that O_DIRECT disables optimizations we definitely
want, like read-ahead.  So it could come out a loser independently of
any what's-in-cache concerns.

                        regards, tom lane


-- 
Sent via pgsql-general mailing list (pgsql-general@postgresql.org)
To make changes to your subscription:
http://www.postgresql.org/mailpref/pgsql-general

Reply via email to