Re: server closed the connection unexpectedly

From: mike g <mike(at)thegodshalls(dot)com>
To: ruben <ruben20(at)superguai(dot)com>
Cc: pgsql-general(at)postgresql(dot)org
Subject: Re: server closed the connection unexpectedly
Date: 2004-07-07 03:57:39
Message-ID: 1089172659.19403.13.camel@localhost.localdomain
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Ok,

Other suggestions:
1) Have you done a Vaccum full on the table? That should reduce the
table size and resources required.

2) Use psql to dump the table instead of pg_dump. In psql do a COPY
affected table TO /file name. That will output the table results in a
tab delimited text file which could then be reimported later using COPY
affected table from /that file name.

COPY BINARY affected table to /File name could be considered as well.

3) create a few smaller tables with the same data definitions. Insert
specific sections of the table into each smaller table via Insert into
one_smaller_table
Select * from affected_table where date between X and Y

HTH

On Tue, 2004-07-06 at 10:43, ruben wrote:
> Hi Mike:
>
> Thanks for your answer, I'm unable to dump the table:
>
> -bash-2.05b$ pg_dump -Fc -t afected_table database_name -f
> ./afected_table.dump
> pg_dump: connection not open
> pg_dump: lost synchronization with server, resetting connection
> pg_dump: SQL command to dump the contents of table "afected_table"
> failed: PQendcopy() failed.
> pg_dump: Error message from server: FATAL 1: The database system is
> starting up
>
>
> Ruben.
>
>
> mike g wrote:
> > Can you use pg_dump to backup the database and possibly then upgrade the
> > db? 7.2 is rather old. I recall reading similar postings in the
> > mailing this that recommend you upgrade to 7.2.4 or .6(?) if you must
> > stay on 7.2.
> >
> >
> > On Mon, 2004-07-05 at 17:48, ruben wrote:
> >
> >>Hi:
> >>
> >>I'm getting this error when accessing a table with certain WHERE condition:
> >>
> >>"server closed the connection unexpectedly
> >>This probably means the server terminated abnormally
> >>before or while processing the request.
> >>The connection to the server was lost. Attempting reset: Failed."
> >>
> >>I've read through the posts but found no answer to the problem.
> >>
> >>When I "Vaccum analize" the table I get the same error.
> >>
> >>I have droped and re-created the indexes.
> >>
> >>Version is
> >>"PostgreSQL 7.2.2 on i686-pc-linux-gnu, compiled by GCC gcc (GCC) 3.2
> >>20020903 (Red Hat Linux 8.0 3.2-7)"
> >>
> >>Any help on how to recover the table would be greatly appreciated.
> >>Thanks, Ruben.
> >>
> >>
> >>
> >>---------------------------(end of broadcast)---------------------------
> >>TIP 6: Have you searched our list archives?
> >>
> >> http://archives.postgresql.org
> >
>
>
>
> ---------------------------(end of broadcast)---------------------------
> TIP 4: Don't 'kill -9' the postmaster

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