On Thu, 23 Oct 2008, Bruce Momjian wrote:

I think the current plan is to use posix_advise() to allow parallel I/O,
rather than async I/O becuase posix_advise() will require fewer code
changes.

These are not necessarily mutually exclusive designs. fadvise works fine on Linux, but as far as I know only async I/O works on Solaris. Linux also has an async I/O library, and it's not clear to me yet whether that might work even better than the fadvise approach.

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* Greg Smith [EMAIL PROTECTED] http://www.gregsmith.com Baltimore, MD

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