| From: | Robert Haas <robertmhaas(at)gmail(dot)com> |
|---|---|
| To: | Linas Virbalas <linas(dot)virbalas(at)continuent(dot)com> |
| Cc: | Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>, Florian Pflug <fgp(at)phlo(dot)org>, Euler Taveira de Oliveira <euler(at)timbira(dot)com>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Hot Backup with rsync fails at pg_clog if under load |
| Date: | 2011-09-23 12:54:54 |
| Message-ID: | CA+TgmobVnjvtpmFO3uzh+6HsCmCwsxAhze0LDEQzrO+sUwvyYQ@mail.gmail.com |
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On Fri, Sep 23, 2011 at 8:47 AM, Linas Virbalas
<linas(dot)virbalas(at)continuent(dot)com> wrote:
> But on the standby its size is the old one (thus, it seems, that the size
> changed after the rsync transfer and before the pg_stop_backup() was
> called):
Now that seems pretty weird - I don't think that file should ever shrink.
Are you sure that the rsync isn't starting until after
pg_start_backup() completes? Because if you were starting it just a
tiny bit early, that would explain the observed symptoms perfectly, I
think.
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
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