From: Tom Lane <tgl@sss.pgh.pa.us>
To: himanshu.joshi <himanshu.joshi@orkash.com>
Cc: pgsql-admin@postgresql.org
Subject: Re: Problem in taking the database dump
Date: Tue, 18 Sep 2012 10:03:28 -0400
Message-ID: <14857.1347977008@sss.pgh.pa.us> (raw)
In-Reply-To: <50583784.9000100@orkash.com>
References: <50583784.9000100@orkash.com>
"himanshu.joshi" <himanshu.joshi@orkash.com> writes:
> I am facing a strange problem while taking dump of a postgres
> database using pg_dump.
> whenever I start the pg_dump command to take the backup of that
> particular database, it stops within few minutes with the below
> mentioned error:
> *[root@s8-msd-2 bin]# ./pg_dump -Upostgres pdc_uima_dummy >
> /hdd2-1/pdc_uima_dummy_108_18092012.sql
> pg_dump: SQL command failed
> pg_dump: Error message from server: ERROR: invalid memory alloc request
> size 18446744073709551613
> pg_dump: The command was: COPY public.object_data (id, wkb_geometry,
> obj_type_id, obj_beginoffset, obj_endoffset, source_id, sentence_id,
> last_mod_date, obj_norm_value, obj_text, entity_name, frequency) TO
> stdout;*
This looks like a data corruption issue -- that is, there's some row in
that table that contains a damaged variable-width field, such that the
system is computing a silly value for the width of the field. You need
to find and remove the damaged row(s).
regards, tom lane
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Reply to all the recipients using the --to and --cc options:
reply via email
To: pgsql-admin@postgresql.org
Cc: tgl@sss.pgh.pa.us, himanshu.joshi@orkash.com
Subject: Re: Problem in taking the database dump
In-Reply-To: <14857.1347977008@sss.pgh.pa.us>
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
This inbox is served by DDX for PostgreSQL; see mirroring instructions
for how to clone and mirror all data and code used for this inbox