Re: RE: [EXTERNAL] Re: Inserts and bad performance

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Тема Re: RE: [EXTERNAL] Re: Inserts and bad performance
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Msg-id 1638252080.149803539@f520.i.mail.ru
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Ответ на RE: [EXTERNAL] Re: Inserts and bad performance  ("Godfrin, Philippe E" <Philippe.Godfrin@nov.com>)
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Ok, thanks

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Wednesday, 24 November 2021, 11:28pm +03:00 from Godfrin, Philippe E philippe.godfrin@nov.com:

The notion of COPY blocks and asynchronously is very interesting

 

From: Gavin Roy <gavinr@aweber.com>
Sent: Wednesday, November 24, 2021 1:50 PM
To: Godfrin, Philippe E <Philippe.Godfrin@nov.com>
Cc: pgsql-general@lists.postgresql.org
Subject: [EXTERNAL] Re: Inserts and bad performance

 

 

 

 

On Wed, Nov 24, 2021 at 2:15 PM Godfrin, Philippe E <Philippe.Godfrin@nov.com> wrote:

Greetings

I am inserting a large number of rows, 5,10, 15 million. The python code commits every 5000 inserts. The table has partitioned children.

 

On the Python client side, if you're using psycopg, you should consider using using COPY instead of INSERT if you're not:

 

 

And if using psycopg2, execute_batch might be of value:

 

 

Regards,

 

Gavin

 

 

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