Improve WALRead() to suck data directly from WAL buffers when possible

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Improve WALRead() to suck data directly from WAL buffers when possible ×

First at 2022-12-09 09:03:39 by Bharath Rupireddy <bharath.rupireddyforpostgres at gmail.com>
Latest at 2024-04-09 06:33:49 by "Andrey M. Borodin" <x4mmm at yandex-team.ru>
Latest attachment (v27-0001-Add-test-module-to-demonstrate-reading-from-WAL.patch) at 2024-04-08 05:17:46 from Bharath Rupireddy <bharath.rupireddyforpostgres at gmail.com>

    Attachment (v27-0001-Add-test-module-to-demonstrate-reading-from-WAL.patch) at 2024-04-08 05:17:46 from Bharath Rupireddy <bharath.rupireddyforpostgres at gmail.com> (Patch: Yes)
    Attachment (v26-0001-Add-check-in-WALReadFromBuffers-against-requeste.patch) at 2024-03-21 18:03:12 from Bharath Rupireddy <bharath.rupireddyforpostgres at gmail.com> (Patch: Yes)
    Attachment (v25-0001-Add-check-in-WALReadFromBuffers-against-requeste.patch) at 2024-02-20 06:10:00 from Bharath Rupireddy <bharath.rupireddyforpostgres at gmail.com> (Patch: Yes)
    Attachment (v24-0004-Demonstrate-reading-unflushed-WAL-directly-from-.patch) at 2024-02-17 04:57:20 from Bharath Rupireddy <bharath.rupireddyforpostgres at gmail.com> (Patch: Yes)
    Attachment (v23-0002-Add-test-module-for-verifying-read-from-WAL-buff.patch) at 2024-02-16 07:38:45 from Bharath Rupireddy <bharath.rupireddyforpostgres at gmail.com> (Patch: Yes)
    Attachment (0001-Add-assert-to-WALReadFromBuffers.patch) at 2024-02-14 01:29:47 from Jeff Davis <pgsql at j-davis.com> (Patch: Yes)
    Attachment (v22-0004-Use-WALReadFromBuffers-in-more-places.patch) at 2024-01-31 09:00:00 from Bharath Rupireddy <bharath.rupireddyforpostgres at gmail.com> (Patch: Yes)
    Attachment (v21-0001-Add-XLogReadFromBuffers.patch) at 2024-01-27 08:00:00 from Bharath Rupireddy <bharath.rupireddyforpostgres at gmail.com> (Patch: Yes)
    Attachment (v20-0001-Add-XLogReadFromBuffers.patch) at 2024-01-25 09:05:30 from Bharath Rupireddy <bharath.rupireddyforpostgres at gmail.com> (Patch: Yes)
    Attachment (v19j-0001-Add-XLogReadFromBuffers.patch) at 2024-01-23 04:07:03 from Jeff Davis <pgsql at j-davis.com> (Patch: Yes)
    Attachment (v19-0001-Allow-WAL-reading-from-WAL-buffers.patch) at 2024-01-10 14:29:29 from Bharath Rupireddy <bharath.rupireddyforpostgres at gmail.com> (Patch: Yes)
    Attachment (v18-0001-Allow-WAL-reading-from-WAL-buffers.patch) at 2023-12-20 10:06:06 from Bharath Rupireddy <bharath.rupireddyforpostgres at gmail.com> (Patch: Yes)
    Attachment (v17-0001-Use-64-bit-atomics-for-xlblocks-array-elements.patch) at 2023-12-07 10:29:00 from Bharath Rupireddy <bharath.rupireddyforpostgres at gmail.com> (Patch: Yes)
    Attachment (v16-0001-Use-64-bit-atomics-for-xlblocks-array-elements.patch) at 2023-11-08 07:40:34 from Bharath Rupireddy <bharath.rupireddyforpostgres at gmail.com> (Patch: Yes)
    Attachment (v15-0001-Use-64-bit-atomics-for-xlblocks-array-elements.patch) at 2023-11-04 15:25:00 from Bharath Rupireddy <bharath.rupireddyforpostgres at gmail.com> (Patch: Yes)
    Attachment (v14-0001-Track-oldest-initialized-WAL-buffer-page.patch) at 2023-11-02 17:08:38 from Bharath Rupireddy <bharath.rupireddyforpostgres at gmail.com> (Patch: Yes)
    Attachment (v13-0001-Allow-WAL-reading-from-WAL-buffers.patch) at 2023-10-26 22:16:32 from Bharath Rupireddy <bharath.rupireddyforpostgres at gmail.com> (Patch: Yes)
    Attachment (v12-0001-Allow-WAL-reading-from-WAL-buffers.patch) at 2023-10-21 18:29:00 from Bharath Rupireddy <bharath.rupireddyforpostgres at gmail.com> (Patch: Yes)
    Attachment (v11-0001-Allow-WAL-reading-from-WAL-buffers.patch) at 2023-10-20 16:49:32 from Bharath Rupireddy <bharath.rupireddyforpostgres at gmail.com> (Patch: Yes)
    Attachment (v10-0001-Improve-WALRead-to-suck-data-directly-from-WAL-b.patch) at 2023-03-14 07:58:42 from Bharath Rupireddy <bharath.rupireddyforpostgres at gmail.com> (Patch: Yes)
    Attachment (v9-0001-Improve-WALRead-to-suck-data-directly-from-WAL-bu.patch) at 2023-03-14 03:32:23 from Bharath Rupireddy <bharath.rupireddyforpostgres at gmail.com> (Patch: Yes)
    Attachment (v8-0003-Don-t-clear-the-WAL-buffers-in-XLogBackgroundFlush.patch) at 2023-03-11 19:22:00 from Nitin Jadhav <nitinjadhavpostgres at gmail.com> (Patch: Yes)
    Attachment (v8-0001-Improve-WALRead-to-suck-data-directly-from-WAL-bu.patch) at 2023-03-07 07:09:13 from Bharath Rupireddy <bharath.rupireddyforpostgres at gmail.com> (Patch: Yes)
    Attachment (v7-0001-Improve-WALRead-to-suck-data-directly-from-WAL-bu.patch) at 2023-03-03 13:30:00 from Bharath Rupireddy <bharath.rupireddyforpostgres at gmail.com> (Patch: Yes)
    Attachment (v6-0001-Improve-WALRead-to-suck-data-directly-from-WAL-bu.patch) at 2023-03-02 11:43:32 from Bharath Rupireddy <bharath.rupireddyforpostgres at gmail.com> (Patch: Yes)
    Attachment (v5-0001-Improve-WALRead-to-suck-data-directly-from-WAL-bu.patch) at 2023-03-01 09:09:54 from Bharath Rupireddy <bharath.rupireddyforpostgres at gmail.com> (Patch: Yes)
    Attachment (v4-0001-Improve-WALRead-to-suck-data-directly-from-WAL-bu.patch) at 2023-02-08 14:30:00 from Bharath Rupireddy <bharath.rupireddyforpostgres at gmail.com> (Patch: Yes)
    Attachment (v3-0001-Improve-WALRead-to-suck-data-directly-from-WAL-bu.patch) at 2023-02-08 04:27:27 from Bharath Rupireddy <bharath.rupireddyforpostgres at gmail.com> (Patch: Yes)
    Attachment (test_case_1.png) at 2023-01-27 09:35:01 from Bharath Rupireddy <bharath.rupireddyforpostgres at gmail.com> (Patch: No)
    Attachment (WALDIO&WALBUFFERSREADCOMPARISON.png) at 2023-01-26 05:33:28 from Bharath Rupireddy <bharath.rupireddyforpostgres at gmail.com> (Patch: No)
    Attachment (USE-ON-HEAD-Collect-WAL-read-from-file-stats.txt) at 2022-12-26 08:50:07 from Bharath Rupireddy <bharath.rupireddyforpostgres at gmail.com> (Patch: Yes)
    Attachment (v1-0001-Improve-WALRead-to-suck-data-directly-from-WAL-bu.patch) at 2022-12-09 09:03:39 from Bharath Rupireddy <bharath.rupireddyforpostgres at gmail.com> (Patch: Yes)