Re: Getting even more insert performance (250m+rows/day)

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От Steinar H. Gunderson
Тема Re: Getting even more insert performance (250m+rows/day)
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Msg-id 20060524200349.GA10753@uio.no
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Ответ на Getting even more insert performance (250m+rows/day)  ("Daniel J. Luke" <dluke@geeklair.net>)
Ответы Re: Getting even more insert performance (250m+rows/day)  ("Daniel J. Luke" <dluke@geeklair.net>)
Re: Getting even more insert performance (250m+rows/day)  ("Ian Westmacott" <ianw@intellivid.com>)
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On Wed, May 24, 2006 at 03:45:17PM -0400, Daniel J. Luke wrote:
> Things I've already done that have made a big difference:
> - modified postgresql.conf shared_buffers value
> - converted to COPY from individual insert statements
> - changed BLCKSZ to 32768

Have you tried fiddling with the checkpointing settings? Check your logs --
if you get a warning about checkpoints being too close together, that should
give you quite some boost.

Apart from that, you should have quite a bit to go on -- somebody on this
list reported 2 billion rows/day earlier, but it might have been on beefier
hardware, of course. :-)

/* Steinar */
--
Homepage: http://www.sesse.net/

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