| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Peter Eisentraut <peter_e(at)gmx(dot)net> |
| Cc: | pgsql-admin(at)postgresql(dot)org, Steve Holdoway <steve(dot)holdoway(at)firetrust(dot)com> |
| Subject: | Re: Backup of live database |
| Date: | 2008-01-16 15:50:31 |
| Message-ID: | 24080.1200498631@sss.pgh.pa.us |
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| Lists: | pgsql-admin |
Peter Eisentraut <peter_e(at)gmx(dot)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
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