| From: | Bharath Rupireddy <bharath(dot)rupireddyforpostgres(at)gmail(dot)com> |
|---|---|
| To: | Jeroen Vermeulen <jtvjtv(at)gmail(dot)com> |
| Cc: | pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: libpq: PQgetCopyData() and allocation overhead |
| Date: | 2023-02-27 13:48:14 |
| Message-ID: | CALj2ACVaBEbFnBwJ44Uuy7xwr50M+wwTJoEz0C9dFOc=iZeTDw@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Fri, Feb 10, 2023 at 5:49 PM Jeroen Vermeulen <jtvjtv(at)gmail(dot)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. (Almost no 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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