Re: Backup of live database

Peter Eisentraut <peter_e@gmx.net> writes:
> Am Mittwoch, 16. Januar 2008 schrieb Tom Lane:
>> (Thinks for a bit...) Actually I guess there's one extra assumption in
>> there, which is that tar must issue its reads in multiples of our page
>> size.  But that doesn't seem like much of a stretch.

> There is something about that here:
> http://www.gnu.org/software/tar/manual/html_node/tar_149.html#SEC149

AFAICT that's talking about the I/O chunk size *on the archive file*.
It doesn't say anything specific about the chunk size on the file side.

            regards, tom lane