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Re: libpq: PQgetCopyData() and allocation overhead - Mailing list pgsql-hackers

From Bharath Rupireddy
Subject Re: libpq: PQgetCopyData() and allocation overhead
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Msg-id CALj2ACVaBEbFnBwJ44Uuy7xwr50M+wwTJoEz0C9dFOc=iZeTDw@mail.gmail.com
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In response to Re: libpq: PQgetCopyData() and allocation overhead  (Jeroen Vermeulen <jtvjtv@gmail.com>)
Responses Re: libpq: PQgetCopyData() and allocation overhead
Re: libpq: PQgetCopyData() and allocation overhead
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On Fri, Feb 10, 2023 at 5:49 PM Jeroen Vermeulen <jtvjtv@gmail.com> wrote:
>
> OK, I've updated the PR with a benchmark (in the main directory).
>
> On this benchmark I'm seeing about a 24% reduction in "user" CPU time, and a 8% reduction in "system" CPU time.
(Almostno reduction in wall-clock time.) 

I can help run some logical replication performance benchmarks
tomorrow. Would you mind cleaning the PR and providing the changes
(there are multiple commits in the PR) as a single patch here for the
sake of ease of review and test?

--
Bharath Rupireddy
PostgreSQL Contributors Team
RDS Open Source Databases
Amazon Web Services: https://aws.amazon.com

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