Replace spinlock with lwlock in pg_stat_statements

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Title Replace spinlock with lwlock in pg_stat_statements
Topic Performance
Created 2020-07-03 02:43:36
Last modified 2020-09-30 07:10:26 (3 weeks, 5 days ago)
Latest email 2020-09-30 07:11:55 (3 weeks, 5 days ago)
Status
2020-09: Returned with feedback
Target version
Authors Fujii Masao (masaofujii)
Reviewers Hamid Akhtar (hamidakhtar)Become reviewer
Committer
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track_planning causing performance regression
First at 2020-06-29 05:48:35 by "Tharakan, Robins" <tharar at amazon.com>
Latest at 2020-09-30 07:11:55 by Michael Paquier <michael at paquier.xyz>
Latest attachment (pgss_lwlock_v2.patch) at 2020-08-18 15:43:49 from Fujii Masao <masao.fujii at oss.nttdata.com>
    Attachment (pgss_lwlock_v2.patch) at 2020-08-18 15:43:49 from Fujii Masao <masao.fujii at oss.nttdata.com> (Patch: Yes)
    Attachment (document_overhead_by_track_planning.patch) at 2020-07-03 11:02:03 from Fujii Masao <masao.fujii at oss.nttdata.com> (Patch: Yes)
    Attachment (pgss_lwlock_v1.patch) at 2020-06-30 05:43:39 from Fujii Masao <masao.fujii at oss.nttdata.com> (Patch: Yes)
    Attachment (futex-prototype.patch) at 2020-06-29 13:23:41 from Ants Aasma <ants at cybertec.at> (Patch: Yes)
    Attachment (disable_pgss_planning_default_v1.patch) at 2020-06-29 11:14:34 from Fujii Masao <masao.fujii at oss.nttdata.com> (Patch: Yes)
History
When Who What
2020-09-30 07:10:26 Michael Paquier (michael-kun) Closed in commitfest 2020-09 with status: Returned with feedback
2020-08-19 12:45:41 Hamid Akhtar (hamidakhtar) Posted review with messageid <159784114193.7095.7438157679688812860.pgcf@coridan.postgresql.org>
2020-08-19 12:45:41 Hamid Akhtar (hamidakhtar) New status: Waiting on Author
2020-08-17 16:40:00 Hamid Akhtar (hamidakhtar) Added hamidakhtar as reviewer
2020-08-17 09:31:24 Hamid Akhtar (hamidakhtar) Removed hamidakhtar from reviewers
2020-08-17 09:29:12 Hamid Akhtar (hamidakhtar) Added hamidakhtar as reviewer
2020-07-31 12:39:46 Hamid Akhtar (hamidakhtar) Removed hamidakhtar from reviewers
2020-07-13 18:26:16 Hamid Akhtar (hamidakhtar) Added hamidakhtar as reviewer
2020-07-03 02:43:51 Fujii Masao (masaofujii) Changed authors to Fujii Masao (masaofujii)
2020-07-03 02:43:36 Fujii Masao (masaofujii) Attached mail thread 2895b53b033c47ccb22972b589050dd9@EX13D05UWC001.ant.amazon.com
2020-07-03 02:43:36 Fujii Masao (masaofujii) Created patch record
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