Jim C. Nasby wrote:
> On Thu, Dec 28, 2006 at 12:50:19PM -0500, Bruce Momjian wrote:
> > To summarize, if we could have fsync() only write the dirty buffers that
> > happened as part of the checkpoint, we could delay the write() for the
> > entire time between checkpoints, but we can't do that, so we have to
> > make it user-tunable.
>
> What about the mmap/msync(?)/munmap idea someone mentioned?
I see that as similar to using O_DIRECT during checkpoint, which had
poor performance.
-- Bruce Momjian bruce@momjian.us EnterpriseDB http://www.enterprisedb.com
+ If your life is a hard drive, Christ can be your backup. +
