On 19 February 2013 20:19, Merlin Moncure <mmonc...@gmail.com> wrote:
>>> In access/transam/xlog.c we give the OS buffer caching a hint that we >>> won't need a WAL file any time soon with >>> >>> posix_fadvise(openLogFile, 0, 0, POSIX_FADV_DONTNEED); >>> > If that's the case, why have the advisory call at all? The OS is > being lied too (in some cases)... I agree with Merlin and Joachim - if we have the call in one place, we should have it in both. This means that if a standby fails it will likely have to re-read these files from disk. Cool, we can live with that. Patch please, -- Simon Riggs http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training & Services -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
