Unnecessary delay in streaming replication due to replay lag

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ID 5908
Title Unnecessary delay in streaming replication due to replay lag
CI (CFBot) Summary
Stats (from CFBot) Patch version: v10, Patch count: 3, First patch: +233−9, All patches: +406−9
Tags Backport Good First Review GUC Logical Replication Physical Replication
Created 2025-07-10 06:28:51
Last modified 2026-06-05 09:43:52 (1 hour ago)
Latest email 2025-11-23 06:42:23 (6 months ago)
Status
PG20-1 (2026-07-01 – 2026-07-31): Ready for Committer
PG19-Final (2026-03-01 – 2026-04-09): Moved to different CF
PG19-3 (2025-11-01 – 2025-11-30): Moved to different CF
PG19-2 (2025-09-01 – 2025-09-30): Moved to different CF
Target version stable
Authors Sunil Seetharama (sunils26)
Reviewers Fujii Masao (masaofujii), Josef Šimánek (retro), Huansong Fu (huansong) Become reviewer
Committer
Links
Emails
Unnecessary delay in streaming replication due to replay lag
First at 2020-01-17 04:04:05 by Asim R P <apraveen at pivotal.io>
Latest at 2025-11-23 06:42:23 by sunil s <sunilfeb26 at gmail.com>
Latest attachment (v10-0001-Introduce-feature-to-start-WAL-receiver-eagerly.patch) at 2025-11-23 06:42:23 from sunil s <sunilfeb26 at gmail.com>
    Attachment (v10-0001-Introduce-feature-to-start-WAL-receiver-eagerly.patch) at 2025-11-23 06:42:23 from sunil s <sunilfeb26 at gmail.com> (Patch: Yes)
    Attachment (v9-0001-Introduce-feature-to-start-WAL-receiver-eagerly.patch) at 2025-11-05 14:05:27 from sunil s <sunilfeb26 at gmail.com> (Patch: Yes)
    Attachment (v8-0001-Introduce-feature-to-start-WAL-receiver-eagerly.patch) at 2025-09-11 08:51:14 from sunil s <sunilfeb26 at gmail.com> (Patch: Yes)
    Attachment (v7-0001-Introduce-feature-to-start-WAL-receiver-eagerly.patch) at 2025-07-29 09:29:35 from sunil s <sunilfeb26 at gmail.com> (Patch: Yes)
    Attachment (v6-0001-Introduce-feature-to-start-WAL-receiver-eagerly.patch) at 2025-07-08 18:31:55 from sunil s <sunilfeb26 at gmail.com> (Patch: Yes)
    Attachment (v5-0001-Introduce-feature-to-start-WAL-receiver-eagerly.patch) at 2021-12-16 01:01:24 from Soumyadeep Chakraborty <soumyadeep2007 at gmail.com> (Patch: Yes)
    Attachment (v4-0001-Introduce-feature-to-start-WAL-receiver-eagerly.patch) at 2021-11-19 08:35:04 from Soumyadeep Chakraborty <soumyadeep2007 at gmail.com> (Patch: Yes)
    Attachment (v3-0001-Introduce-feature-to-start-WAL-receiver-eagerly.patch) at 2021-11-09 23:41:09 from Soumyadeep Chakraborty <soumyadeep2007 at gmail.com> (Patch: Yes)
    Attachment (v1-0001-Introduce-feature-to-start-WAL-receiver-eagerly.patch) at 2021-08-25 04:51:25 from Soumyadeep Chakraborty <soumyadeep2007 at gmail.com> (Patch: Yes)
    Attachment (v3-0001-Start-WAL-receiver-before-startup-process-replays.patch) at 2020-08-10 08:53:34 from Asim Praveen <pasim at vmware.com> (Patch: Yes)
    Attachment (v2-0001-Start-WAL-receiver-before-startup-process-replays.patch) at 2020-08-09 05:54:32 from Asim Praveen <pasim at vmware.com> (Patch: Yes)
    Attachment (v1-0001-Test-that-replay-of-WAL-logs-on-standby-does-not-.patch) at 2020-01-17 13:00:58 from Asim R P <apraveen at pivotal.io> (Patch: Yes)
    Attachment (0001-Test-that-replay-of-WAL-logs-on-standby-does-not-aff.patch) at 2020-01-17 04:04:05 from Asim R P <apraveen at pivotal.io> (Patch: Yes)
History
When Who What
2026-06-05 09:43:52 Sunil Seetharama (sunils26) Moved from CF PG19-Final to CF PG20-1
2026-01-07 06:30:39 Sunil Seetharama (sunils26) Moved from CF PG19-3 to CF PG19-Final
2025-11-23 07:13:27 CFbot Patch does not need rebase anymore
2025-11-19 19:22:23 CFbot Patch needs rebase
2025-11-06 05:51:47 Sunil Seetharama (sunils26) Changed tags to Backport, Good First Review, GUC, Logical Replication, Physical Replication
2025-11-02 17:32:09 Josef Šimánek (retro) Added retro as reviewer
2025-10-30 13:43:01 Fujii Masao (masaofujii) Added masaofujii as reviewer
2025-10-19 12:01:35 Álvaro Herrera (alvherre) Moved from CF PG19-2 to CF PG19-3
2025-09-11 09:12:25 CFbot Patch does not need rebase anymore
2025-09-04 23:15:26 CFbot Patch needs rebase
2025-07-29 09:33:03 Sunil Seetharama (sunils26) New status: Ready for Committer
2025-07-28 22:41:24 Huansong Fu (huansong) Posted review with messageid <175374248473.990.8072449260770178398.pgcf@coridan.postgresql.org>
2025-07-28 22:41:24 Huansong Fu (huansong) New status: Waiting on Author
2025-07-24 22:27:49 Huansong Fu (huansong) Added huansong as reviewer
2025-07-10 06:28:51 Sunil Seetharama (sunils26) Attached mail thread CANXE4Tc3FNvZ_xAimempJWv_RH9pCvsZH7Yq93o1VuNLjUT-mQ@mail.gmail.com
2025-07-10 06:28:51 Sunil Seetharama (sunils26) Created patch record
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