Re: Streamify more code paths

Xuneng Zhou <xunengzhou@gmail.com>

From: Xuneng Zhou <xunengzhou@gmail.com>

To: pgsql-hackers <pgsql-hackers@lists.postgresql.org>

Date: 2025-12-25T06:33:47Z

Lists: pgsql-hackers

Attachments

v1-0004-Replace-synchronous-ReadBufferExtended-loop-with-.patch (application/octet-stream)
v1-0001-Switch-Bloom-scan-paths-to-the-streaming-read.patch (application/octet-stream)
v1-0002-Streamify-Bloom-VACUUM-paths.patch (application/octet-stream)
v1-0003-Streamify-heap-bloat-estimation-scan.patch (application/octet-stream)

Hi,

On Thu, Dec 25, 2025 at 1:51 PM Xuneng Zhou <xunengzhou@gmail.com> wrote:
>
> Hi Hackers,
>
> I noticed several additional paths in contrib modules, beyond [1],
> that are potentially suitable for streamification:
>
> 1) pgstattuple — pgstatapprox.c and parts of pgstattuple_approx_internal
> 2) Bloom — scan paths in blgetbitmap() and maintenance paths in blbulkdelete()
>
> The following patches streamify those code paths. No benchmarks have
> been run yet.
>
> [1] https://www.postgresql.org/message-id/flat/CABPTF7UeN2o-trr9r7K76rZExnO2M4SLfvTfbUY2CwQjCekgnQ%40mail.gmail.com
>
> Feedbacks welcome.
>

One more in ginvacuumcleanup().

-- 
Best,
Xuneng