From: Isabella Ghiurea <isabella.ghiurea@nrc-cnrc.gc.ca>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: pgsql-admin@postgresql.org <pgsql-admin@postgresql.org>
Subject: Re: auto vacuum errors
Date: Thu, 5 Jul 2012 07:55:39 -0700
Message-ID: <4FF5AAEB.6040103@nrc-cnrc.gc.ca> (raw)
In-Reply-To: <9816.1341461883@sss.pgh.pa.us>
References: <4FF499F0.9030601@nrc-cnrc.gc.ca>
<9816.1341461883@sss.pgh.pa.us>
Hi Tom ,
Here is my error , the missing files were removed by mistake , I have
another similar db cfg with this tables:spherrtmp% and no issues.
I 'm thinking to restore this tables content from this second db ,
will this eliminate the auto vacuum error ?
07:45:59.770 PDT,,,31112,,4ff5a8a7.7988,5,,2012-07-05 07:45:59
PDT,19/2479,0,ERROR,58P01,"could not open relation 26384/247389/248165:
No such file or directory",,,,,"automatic vacuum of table
""contrib_regression.public.spheretmp5""",,,
2012-07-05 07:45:59.770 PDT,,,31112,,4ff5a8a7.7988,6,,2012-07-05
07:45:59 PDT,19/2481,0,ERROR,58P01,"could not open relation
26384/247389/248174: No such file or directory",,,,,"automatic vacuum of
table ""contrib_regression.public.spheretmp6""",,,
On 07/04/2012 09:18 PM, Tom Lane wrote:
> Isabella Ghiurea<isabella.ghiurea@nrc-cnrc.gc.ca> writes:
>> I'm seeing a issue with some temp tables in contrib_regression db , the
>> auto vacuum job will not run for this tables due some files/QID's
>> missing how can I fix this ?
> Um ... in general, autovacuum just silently ignores temp tables, because
> it doesn't have any way to access their contents. (One of the reasons
> that temp tables are fast is that the backend owning a temp table keeps
> its data in local buffers, not in shared buffers that another process
> could access.) I wouldn't expect any "missing file" complaints though.
> What exactly were you seeing?
>
> regards, tom lane
--
-----------------------------------------------------------
Isabella A. Ghiurea
Isabella.Ghiurea@nrc-cnrc.gc.ca
Canadian Astronomy Data Centre |http://www.nrc-cnrc.gc.ca/eng/services/hia/data-centre.html
National Research Council of Canada, Herzberg Institute of Astrophysics
5071 West Saanich Road, Victoria BC V9E 2E7, Canada
Phone: 250 363-3446 fax: 250 363-0045
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To: pgsql-admin@postgresql.org
Cc: isabella.ghiurea@nrc-cnrc.gc.ca, tgl@sss.pgh.pa.us
Subject: Re: auto vacuum errors
In-Reply-To: <4FF5AAEB.6040103@nrc-cnrc.gc.ca>
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