RE: Idea to enhance pgbench by more modes to generate data (multi-TXNs, UNNEST, COPY BINARY)

From: "Hayato Kuroda (Fujitsu)" <kuroda(dot)hayato(at)fujitsu(dot)com>
To: 'Boris Mironov' <boris_mironov(at)outlook(dot)com>, Madyshev Egor <E(dot)Madyshev(at)ftdata(dot)ru>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>
Subject: RE: Idea to enhance pgbench by more modes to generate data (multi-TXNs, UNNEST, COPY BINARY)
Date: 2026-03-09 07:55:12
Message-ID: OS9PR01MB121499E64344675A86179219CF579A@OS9PR01MB12149.jpnprd01.prod.outlook.com
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Dear Boris,

There is a similar idea which parallelize the initialization. Not sure, is there
an interactions or comparison between them? Your patch seems to divide a
transaction into several parts but everything is done by the single thread,
whereas proposed in [1] is to dispatch to other threads.

[1]: https://commitfest.postgresql.org/patch/6242/

Best regards,
Hayato Kuroda
FUJITSU LIMITED

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