RE: RE: xlog checkpoint depends on sync() ... seems uns afe

> > to re-write smgr. I don't know how useful is second sync() call, but
> > on Solaris (and I believe on many other *NIXes) rc0 calls it
> > three times, -:) Why?
> 
> The idea is, that by the time the last sync has run, the 
> first sync will be done flushing the buffers to disk. - this is what
> we were told by the IBM engineers when I worked tier-2/3 AIX support
> at IBM.

I was told the same a long ago about FreeBSD. How much can we count on
this undocumented sync() feature?

Vadim