Skip prefetch for block references that follow a FPW or WILL

Skip prefetch for block references that follow a FPW or WILL_INIT of the same block

This patch is part of a closed commitfest. It is no longer being picked up by CI. If you want CI to run on this patch, move it to an open commitfest.

6634

Title

Skip prefetch for block references that follow a FPW or WILL_INIT of the same block

CI (CFBot)

Summary

Stats (from CFBot)

Patch count: 1, First patch: +28−6, All patches: +28−6

Tags

Performance Physical Replication

Created

2026-04-01 03:22:38

Last modified

2026-04-01 03:22:38 (7 months ago)

Latest email

2026-10-28 22:18:57 (1 week ago)

Status

PG20-1 (2026-07-01 – 2026-07-31): Ready for Committer

Target version

Authors

SATYANARAYANA NARLAPURAM (satyanarayanan)

Reviewers

Ethan Mertz (ethanmertz) Log in to become reviewer

Committer

Links

Emails

Skip prefetch for block references that follow a FPW or WILL_INIT of the same block: First at 2026-03-24 16:18:09 by SATYANARAYANA NARLAPURAM <satyanarlapuram at gmail.com>
Latest at 2026-10-28 22:18:57 by Thomas Munro <thomas.munro at gmail.com>
Latest attachment (fadvise-readahead.c) at 2026-10-27 14:26:23 from Tomas Vondra <tomas at vondra.me>
    Attachment (fadvise-readahead.c) at 2026-10-27 14:26:23 from Tomas Vondra <tomas at vondra.me> (Patch: No)
    Attachment (nocfbot-Use-hash-table-for-the-recent-blocks-window-in-rec.patch) at 2026-10-24 16:20:14 from Bharath Rupireddy <bharath.rupireddyforpostgres at gmail.com> (Patch: Yes)
    Attachment (v3-0001-xlogprefetcher-record-FPW-WILL_INIT-blocks-in-recent.patch) at 2026-10-14 10:47:28 from Ashutosh Sharma <ashu.coek88 at gmail.com> (Patch: No)
    Attachment (0001-xlogprefetcher-record-FPW-WILL_INIT-blocks-in-the-re.patch) at 2026-05-07 07:45:54 from SATYANARAYANA NARLAPURAM <satyanarlapuram at gmail.com> (Patch: Yes)
    Attachment (0001-xlogprefetcher-record-recent-fpw.patch) at 2026-03-24 16:18:09 from SATYANARAYANA NARLAPURAM <satyanarlapuram at gmail.com> (Patch: Yes)

History

When	Who	What
2026-06-04 20:07:00	Ethan Mertz (ethanmertz)	Posted review with messageid <178060362097.594057.16093365170628444552.pgcf@coridan.postgresql.org>
2026-06-04 20:07:00	Ethan Mertz (ethanmertz)	New status: Ready for Committer
2026-06-04 19:28:16	Ethan Mertz (ethanmertz)	Added ethanmertz as reviewer
2026-05-07 08:04:26	CFbot	Patch does not need rebase anymore
2026-04-01 06:06:25	CFbot	Patch needs rebase
2026-04-01 03:22:38	SATYANARAYANA NARLAPURAM (satyanarayanan)	Attached mail thread CAHg+QDf=eFFnOvmaPJQrXNiXaTOhhJhvO=DzmVUi=VGFRh5B0A@mail.gmail.com
2026-04-01 03:22:38	SATYANARAYANA NARLAPURAM (satyanarayanan)	Created patch record