Re: pg_upgrade and rsync

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От
Stephen Frost
Тема
Re: pg_upgrade and rsync
Дата
Msg-id
20150128132545.GS3854@tamriel.snowman.net
Ответ на
Re: pg_upgrade and rsync (Bruce Momjian)
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Дерево обсуждения
pg_upgrade and rsync Bruce Momjian <bruce@momjian.us>
Re: pg_upgrade and rsync Andres Freund <andres@2ndquadrant.com>
Re: pg_upgrade and rsync Bruce Momjian <bruce@momjian.us>
Re: pg_upgrade and rsync Stephen Frost <sfrost@snowman.net>
Re: pg_upgrade and rsync Andres Freund <andres@2ndquadrant.com>
Re: pg_upgrade and rsync Stephen Frost <sfrost@snowman.net>
Re: pg_upgrade and rsync Andres Freund <andres@2ndquadrant.com>
Re: pg_upgrade and rsync Stephen Frost <sfrost@snowman.net>
Re: pg_upgrade and rsync Andres Freund <andres@2ndquadrant.com>
Re: pg_upgrade and rsync Stephen Frost <sfrost@snowman.net>
Re: pg_upgrade and rsync Andres Freund <andres@2ndquadrant.com>
Re: pg_upgrade and rsync Stephen Frost <sfrost@snowman.net>
Re: pg_upgrade and rsync Bruce Momjian <bruce@momjian.us>
Re: pg_upgrade and rsync Bruce Momjian <bruce@momjian.us>
Re: pg_upgrade and rsync Robert Haas <robertmhaas@gmail.com>
Re: pg_upgrade and rsync Stephen Frost <sfrost@snowman.net>
Re: pg_upgrade and rsync Bruce Momjian <bruce@momjian.us>
Re: pg_upgrade and rsync Stephen Frost <sfrost@snowman.net>
Re: pg_upgrade and rsync Robert Haas <robertmhaas@gmail.com>
Re: pg_upgrade and rsync Stephen Frost <sfrost@snowman.net>
Re: pg_upgrade and rsync Jim Nasby <Jim.Nasby@BlueTreble.com>
Re: pg_upgrade and rsync Stephen Frost <sfrost@snowman.net>
Re: pg_upgrade and rsync David Steele <david@pgmasters.net>
Re: pg_upgrade and rsync Robert Haas <robertmhaas@gmail.com>
Re: pg_upgrade and rsync Tom Lane <tgl@sss.pgh.pa.us>
Re: pg_upgrade and rsync Robert Haas <robertmhaas@gmail.com>
Re: pg_upgrade and rsync Tom Lane <tgl@sss.pgh.pa.us>
Re: pg_upgrade and rsync Stephen Frost <sfrost@snowman.net>
Re: pg_upgrade and rsync Andres Freund <andres@2ndquadrant.com>
Re: pg_upgrade and rsync David Steele <david@pgmasters.net>
Re: pg_upgrade and rsync Stephen Frost <sfrost@snowman.net>
Re: pg_upgrade and rsync David Steele <david@pgmasters.net>
Re: pg_upgrade and rsync Jim Nasby <Jim.Nasby@BlueTreble.com>
Re: pg_upgrade and rsync Stephen Frost <sfrost@snowman.net>
Re: pg_upgrade and rsync Jim Nasby <Jim.Nasby@BlueTreble.com>
Re: pg_upgrade and rsync Stephen Frost <sfrost@snowman.net>
Re: pg_upgrade and rsync Bruce Momjian <bruce@momjian.us>
Re: pg_upgrade and rsync Stephen Frost <sfrost@snowman.net>
Re: pg_upgrade and rsync David Steele <david@pgmasters.net>
Re: pg_upgrade and rsync Bruce Momjian <bruce@momjian.us>
Re: pg_upgrade and rsync David Steele <david@pgmasters.net>
Re: pg_upgrade and rsync Bruce Momjian <bruce@momjian.us>
Re: pg_upgrade and rsync David Steele <david@pgmasters.net>
Re: pg_upgrade and rsync David Steele <david@pgmasters.net>
Re: pg_upgrade and rsync Jim Nasby <Jim.Nasby@BlueTreble.com>
Re: pg_upgrade and rsync Heikki Linnakangas <hlinnakangas@vmware.com>
Re: pg_upgrade and rsync Jim Nasby <Jim.Nasby@BlueTreble.com>
Re: pg_upgrade and rsync Heikki Linnakangas <hlinnakangas@vmware.com>
Re: pg_upgrade and rsync Bruce Momjian <bruce@momjian.us>
Re: pg_upgrade and rsync Jim Nasby <Jim.Nasby@BlueTreble.com>
Re: pg_upgrade and rsync Bruce Momjian <bruce@momjian.us>
* Bruce Momjian (bruce@momjian.us) wrote:
> Interesting problem, but doesn't rsync use sub-second accuracy?

No.  Simple test will show:

touch xx/aa ; rsync -avv xx yy ; sleep 0.5 ; touch xx/aa ; rsync -avv xx yy

Run that a few times and you'll see it report "xx/aa is uptodate"
sometimes, depending on when exactly where the sleep falls during the
second.
Thanks,
	Stephen
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