Re: Running concurrent txns and measuring the timings in Postgres

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От Souvik Bhattacherjee
Тема Re: Running concurrent txns and measuring the timings in Postgres
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Msg-id CAANrPSedihfvOoba7qkrdqjwZaQr-JtB=VQE=WmODbtqiX_U6g@mail.gmail.com
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Ответ на Re: Running concurrent txns and measuring the timings in Postgres  (Adrian Klaver <adrian.klaver@aklaver.com>)
Ответы Re: Running concurrent txns and measuring the timings in Postgres  (Adrian Klaver <adrian.klaver@aklaver.com>)
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>Well it depends on the part you have not filled in, what client(s) you
> are using and how the transactions are being generated?

Using a psql client and txns are generated manually at this point. Each txn is
stored separately in a .sql file and are fired from different psql sessions, if that
helps.

On Wed, Jul 24, 2019 at 4:44 PM Adrian Klaver <adrian.klaver@aklaver.com> wrote:
On 7/24/19 1:42 PM, Souvik Bhattacherjee wrote:
>  > The duplicate elimination is being handled by ON CONFLICT or some custom
>  > process in the code generating the transactions?
>
> Yes, we used ON CONFLICT for that. Thanks btw.
>
>  > If the transactions are being created from a single app/script could you
>  > not just use 'timing' to mark the beginning of the transactions and the
>  > end and record that somewhere(db table and/or file)?
>
> So did you mean to say that I need to get the timestamps of the
> beginning/end
> of the txn since \timing only produces elapsed time?  Surely that would
> solve the
> problem but I'm not sure how to get that done in Postgres.
>
> I wanted to check to see if there are simpler ways to get this done in
> Postgres
> before trying out something similar to Rob's suggestion or yours.
>

Well it depends on the part you have not filled in, what client(s) you
are using and how the transactions are being generated?



--
Adrian Klaver
adrian.klaver@aklaver.com

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