Alfred Perlstein <[EMAIL PROTECTED]> writes:
> How many files need to be fsync'd?

Only one.

> If it's more than one, what might work is using mmap() to map the
> files in adjacent areas, then calling msync() on the entire range,
> this would allow you to batch fsync the data.

Interesting thought, but mmap to a prespecified address is most
definitely not portable, whether or not you want to assume that
plain mmap is ...

                        regards, tom lane

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