Re: Slow delete/insert.

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От Joshua D. Drake
Тема Re: Slow delete/insert.
Дата
Msg-id 44EC6D63.4020507@commandprompt.com
обсуждение исходный текст
Ответ на Slow delete/insert.  (Thor Tall <tall_thor@yahoo.com>)
Список pgsql-admin
> It takes 6 minutes to ingest the data with an empty
> database and 25 minutes (wall time) if all the data is
> already in the database.
> The processing is done as follows:
> 1. Start transaction
>
> 2. check if message is in table 1 and if so delete
> records from table 1(1 row),2(2 rows),3(30 rows),4(50
> rows).
>
> 3. split the message and insert the date in table 1(1
> row),2(2 rows),3(30 rows),4(50 rows)
>
> 4. end transaction

Put more inserts into a single transaction


>
> I need some suggestions so that I can ingest the data
> faster. with the same computer and disks. We are
> running redhat 7.2 on the server and I am using the c
> interface to write the data to the server.

What version of PostgreSQL?

Joshua D. Drake

>
> Thanks for any help,
> Thor.
>
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