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

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ID 6730
Title Skip prefetch for block references that follow a FPW or WILL_INIT of the same block
CI (CFBot) Summary
Stats (from CFBot) Patch version: v3, Patch count: 1, First patch: +27−6, All patches: +27−6
Tags Performance
Created 2026-05-04 17:37:03
Last modified 2026-10-23 20:45:38 (1 week ago)
Latest email 2026-10-28 22:18:57 (1 week ago)
Status
PG20-3 (2026-11-01 – 2026-11-30): Needs review
PG20-1 (2026-07-01 – 2026-07-31): Moved to different CF
Target version 19
Authors SATYANARAYANA NARLAPURAM (satyanarayanan)
Reviewers Bharath Rupireddy (bharathrupireddy) 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
2026-10-23 20:46:11 Bharath Rupireddy (bharathrupireddy) Added bharathrupireddy as reviewer
2026-10-23 20:45:38 Bharath Rupireddy (bharathrupireddy) Moved from CF PG20-1 to CF PG20-3
2026-06-05 11:36:08 Ewan Young (kdbase.hack.gmail.com) Removed kdbase.hack.gmail.com from reviewers
2026-06-05 11:27:46 Ewan Young (kdbase.hack.gmail.com) Added kdbase.hack.gmail.com as reviewer
2026-05-07 08:02:30 CFbot Patch does not need rebase anymore
2026-05-04 17:45:27 CFbot Patch needs rebase
2026-05-04 17:37:03 SATYANARAYANA NARLAPURAM (satyanarayanan) Attached mail thread CAHg+QDf=eFFnOvmaPJQrXNiXaTOhhJhvO=DzmVUi=VGFRh5B0A@mail.gmail.com
2026-05-04 17:37:03 SATYANARAYANA NARLAPURAM (satyanarayanan) Created patch record
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