Hashjoin fall back to block nested hashloop join

Edit
Title Hashjoin fall back to block nested hashloop join
Topic Performance
Created 2020-06-09 20:37:18
Last modified 2020-09-30 06:55:35 (3 hours, 38 minutes ago)
Latest email 2020-09-24 03:39:46 (6 days, 6 hours ago)
Status
2020-11: Waiting on Author
2020-09: Moved to next CF
2020-07: Moved to next CF
Target version 14
Authors Melanie Plageman (melanieplageman), Soumyadeep Chakraborty (soumyadeep2007), David Kimura (dgkimura), Jesse Zhang (essej)
Reviewers Thomas Munro (macdice)Become reviewer
Committer
Links Wiki Git
Emails
Avoiding hash join batch explosions with extreme skew and weird stats
First at 2019-05-16 01:22:31 by Thomas Munro <thomas.munro at gmail.com>
Latest at 2020-09-24 03:39:46 by Michael Paquier <michael at paquier.xyz>
Latest attachment (v11-0001-Implement-Adaptive-Hashjoin.patch) at 2020-08-31 22:13:06 from Melanie Plageman <melanieplageman at gmail.com>
    Attachment (v11-0001-Implement-Adaptive-Hashjoin.patch) at 2020-08-31 22:13:06 from Melanie Plageman <melanieplageman at gmail.com> (Patch: No)
    Attachment (v10-0001-Implement-Adaptive-Hashjoin.patch) at 2020-06-25 22:09:44 from Melanie Plageman <melanieplageman at gmail.com> (Patch: No)
    Attachment (v9-0001-Implement-Adaptive-Hashjoin.patch) at 2020-06-09 00:12:25 from Melanie Plageman <melanieplageman at gmail.com> (Patch: No)
    Attachment (v8-0001-Implement-Adaptive-Hashjoin.patch) at 2020-05-28 02:25:50 from Melanie Plageman <melanieplageman at gmail.com> (Patch: No)
    Attachment (v7-0002-Provisionally-detach-unless-last-worker.patch) at 2020-05-09 01:58:10 from Melanie Plageman <melanieplageman at gmail.com> (Patch: Yes)
    Attachment (v6-0002-Implement-fallback-of-batch-0-for-serial-adaptive.patch) at 2020-05-04 20:39:36 from David Kimura <david.g.kimura at gmail.com> (Patch: Yes)
    Attachment (v1-0001-Describe-hybrid-hash-join-implementation.patch) at 2020-04-30 14:30:35 from Melanie Plageman <melanieplageman at gmail.com> (Patch: Yes)
    Attachment (v6-0002-Implement-fallback-of-batch-0-for-serial-adaptive.patch) at 2020-04-29 23:44:53 from David Kimura <david.g.kimura at gmail.com> (Patch: Yes)
    Attachment (v6-0001-Implement-Adaptive-Hashjoin.patch) at 2020-04-29 02:03:53 from Melanie Plageman <melanieplageman at gmail.com> (Patch: No)
    Attachment (v5-0002-Fixup-tupleMetadata-struct-issues.patch) at 2020-02-12 00:57:05 from Melanie Plageman <melanieplageman at gmail.com> (Patch: Yes)
    Attachment (v4-0002-Fixup-tupleMetadata-struct-issues.patch) at 2020-01-25 02:22:30 from Melanie Plageman <melanieplageman at gmail.com> (Patch: Yes)
    Attachment (v3-0001-hashloop-fallback.patch) at 2019-12-30 03:34:02 from Melanie Plageman <melanieplageman at gmail.com> (Patch: No)
    Attachment (v3-0001-hashloop-fallback.patch) at 2019-07-30 18:46:59 from Melanie Plageman <melanieplageman at gmail.com> (Patch: Yes)
    Attachment (v2-0001-hashloop-fallback.patch) at 2019-07-03 21:22:09 from Melanie Plageman <melanieplageman at gmail.com> (Patch: Yes)
    Attachment (v1-0001-hashloop-fallback.patch) at 2019-06-18 22:24:08 from Melanie Plageman <melanieplageman at gmail.com> (Patch: Yes)
    Attachment (fix.patch) at 2019-05-16 01:22:31 from Thomas Munro <thomas.munro at gmail.com> (Patch: Yes)
History
When Who What
2020-09-30 06:55:35 Michael Paquier (michael-kun) New status: Waiting on Author
2020-09-30 06:55:27 Michael Paquier (michael-kun) Closed in commitfest 2020-09 with status: Moved to next CF
2020-09-30 06:55:23 Michael Paquier (michael-kun) New status: Needs review
2020-09-24 03:38:27 Michael Paquier (michael-kun) New status: Waiting on Author
2020-08-31 22:55:13 Melanie Plageman (melanieplageman) Changed authors to Melanie Plageman (melanieplageman), Soumyadeep Chakraborty (soumyadeep2007), Jesse Zhang (essej), David Kimura (dgkimura)
2020-08-31 22:55:13 Melanie Plageman (melanieplageman) Changed gitlink to https://github.com/melanieplageman/postgres/tree/AHJ_v11
2020-08-02 22:45:05 Daniel Gustafsson (d_gustafsson) Closed in commitfest 2020-07 with status: Moved to next CF
2020-06-29 01:55:12 Thomas Munro (macdice) Added macdice as reviewer
2020-06-09 20:39:03 Melanie Plageman (melanieplageman) Changed authors to Melanie Plageman (melanieplageman), Jesse Zhang (essej), David Kimura (dgkimura)
2020-06-09 20:39:03 Melanie Plageman (melanieplageman) Changed targetversion to 14
2020-06-09 20:39:03 Melanie Plageman (melanieplageman) Changed gitlink to https://github.com/melanieplageman/postgres/tree/alternative_AHJ
2020-06-09 20:39:03 Melanie Plageman (melanieplageman) Changed wikilink to https://wiki.postgresql.org/wiki/Hash_Join
2020-06-09 20:37:19 Melanie Plageman (melanieplageman) Attached mail thread CA+hUKGKWWmf=WELLG=aUGbcugRaSQbtm0tKYiBut-B2rVKX63g@mail.gmail.com
2020-06-09 20:37:18 Melanie Plageman (melanieplageman) Created patch record
Edit