Date: Fri, 26 Jul 2002 14:46:00 -0400
From: Marc Spitzer <marc@oscar.eng.cv.net>
To: pgsql-sql <pgsql-sql@postgresql.org>
Subject: Re: 1 milion data insertion
Message-ID: <20020726144600.C16887@oscar.eng.cv.net>
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References: <A799F7647794D311924A005004ACEA97080DDEC4@cprodamibs249.prodam>
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In-Reply-To: <A799F7647794D311924A005004ACEA97080DDEC4@cprodamibs249.prodam>;
	from ElielsonF@prodam.sp.gov.br on Fri, Jul 26, 2002 at
	03:34:12PM -0300

On Fri, Jul 26, 2002 at 03:34:12PM -0300, Elielson Fontanezi wrote:
> Hi fellows!
> 
> 	I have tried to insert 1.000.000 of record to the following table;
> 
> --------------------------------------------------
> zakal=# \d teste;
>  codigo | bigint                 | not null
>  nome   | character varying(100) |
> --------------------------------------------------
> 
> 	and I got these errors:
> 
> --------------------------------------------------
> zakal$ psql -c "copy teste from 'teste.dat' using delimeters '|'"
> ERROR:  parser: parse error at or near "delimeters"
> ERROR:  parser: parse error at or near "delimeters"
> zakal$ psql -c "copy teste from 'teste.dat' using delimiters '|'"
> ERROR:  COPY command, running in backend with effective uid 504, could not
> open
> file 'teste.dat' for reading.  Errno = No such file or directory (2).
> ERROR:  COPY command, running in backend with effective uid 504, could not
> open
> file 'teste.dat' for reading.  Errno = No such file or directory (2).
> zakal$ pwd
> /home/zakal/tmp
> zakal$ psql -c "copy teste from '`pwd`/teste.dat' using delimiters '|'"
> DEBUG:  copy: line 27536, XLogWrite: new log file created - consider
> increasing
> WAL_FILES
> DEBUG:  copy: line 93146, XLogWrite: new log file created - consider
> increasing
> WAL_FILES
> DEBUG:  recycled transaction log file 0000000000000000
> 
> 
> ERROR:  copy: line 164723, Bad int8 external representation "16722"
> ERROR:  copy: line 164723, Bad int8 external representation "16722"
> zakal$
> zakal$
> zakal$ DEBUG:  recycled transaction log file 0000000000000001
> ----------------------------------------------------------------------
> 
> the log has overflowed.
> 	
> 	Ok, this was a test. I'd like to know what would be happen.
> 	But, from you, great PostGres DBA's, what is the best way to
> insert a large number of data?
> 	Is there a way to turn off the log?
> 	Is there a way to commit each 100 records?
> 
> regards,

in relativly small chuncks, do 100 10,000 record transactions and
you should be fine.  

marc

> 
> ..............................................
> A Question...
> Since before your sun burned hot in space and before your race was born, I
> have awaited a question.
> 
> Elielson Fontanezi 
> DBA Technical Support - PRODAM
> +55 11 5080 9493
> 
> 
> 
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