Re: Migration study, step 1: bulk write performance optimization

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От Tom Lane
Тема Re: Migration study, step 1: bulk write performance optimization
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Msg-id 9396.1142900837@sss.pgh.pa.us
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Ответ на Re: Migration study, step 1: bulk write performance optimization  ("Craig A. James" <cjames@modgraph-usa.com>)
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"Craig A. James" <cjames@modgraph-usa.com> writes:
> If you haven't explored the COPY command yet, check it out.  It is stunningly fast compared to normal INSERT
commands.

Note also that his "benchmark" is testing multiple INSERTs issued within
a loop in a plpgsql function, which has got nearly nothing to do with
the performance that will be obtained from INSERTs issued by a client
(especially if said INSERTs aren't prepared and/or aren't batched into
transactions).

            regards, tom lane

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