Re: Postgres 9.6 scariest patch tournament
От | Alvaro Herrera |
---|---|
Тема | Re: Postgres 9.6 scariest patch tournament |
Дата | |
Msg-id | 20160505184613.GA186638@alvherre.pgsql обсуждение исходный текст |
Ответ на | Re: Postgres 9.6 scariest patch tournament (Alvaro Herrera <alvherre@alvh.no-ip.org>) |
Список | pgsql-hackers |
This is raw, in case anyone wants to look more closely. alvherre=# select level, count(*), patch, subject from scary left join commits on patch = sha1 group by level, patch, subjectorder by level asc, count(*) desc; ┌───────┬───────┬───────────────────────────────────────────────────────────────┬────────────────────────────────────────────────────────────────────────────┐ │ level │ count │ patch │ subject │ ├───────┼───────┼───────────────────────────────────────────────────────────────┼────────────────────────────────────────────────────────────────────────────┤ │ 1 │ 3 │ fd31cd265138019dcccc9b5fe53043670898bc9f │ Don't vacuum all-frozen pages. │ │ 1 │ 2 │ 3fc6e2d7f5b652b417fa6937c34de2438d60fa9f │ Make the upper part of the planner workby generating and comparing Paths. │ │ 1 │ 1 │ Change the format of the VM fork to add a second bit per page │ │ │ 1 │ 1 │ Don't VACUUM all-frozen pages │ │ │ 1 │ 1 │ 65578341af1ae50e52e0f45e691ce88ad5a1b9b1 │ Add Generic WAL interface │ │ 1 │ 1 │ 9cd00c457e6a1ebb984167ac556a9961812a683c │ Checkpoint sorting and balancing. │ │ 1 │ 1 │ 924bcf4f16d54c55310b28f77686608684734f42 │ Create an infrastructure for parallel computationin PostgreSQL. │ │ 1 │ 1 │ Freeze Map │ │ │ 1 │ 1 │ parallelism, gather node... │ │ │ 1 │ 1 │ Parallel query │ │ │ 1 │ 1 │ Snapshot too old │ │ │ 1 │ 1 │ Snapshot Too Old │ │ │ 2 │ 2 │ bb140506df605fab58f48926ee1db1f80bdafb59 │ Phrase full text search. │ │ 2 │ 1 │ \crosstabview │ │ │ 2 │ 1 │ 1c1a7cbd6a1600c97dfcd9b5dc78a23b5db9bbf6 │ Sync our copy of the timezone library withIANA release tzcode2016c. │ │ 2 │ 1 │ 3fc6e2d7f5b652b417fa6937c34de2438d60fa9f │ Make the upper part of the planner workby generating and comparing Paths. │ │ 2 │ 1 │ 428b1d6b29ca599c5700d4bc4f4ce4c5880369bf │ Allow to trigger kernel writeback aftera configurable number of writes. │ │ 2 │ 1 │ 48354581a49c30f5757c203415aa8412d85b0f70 │ Allow Pin/UnpinBuffer to operate in a lockfreemanner. │ │ 2 │ 1 │ 848ef42bb8c7909c9d7baa38178d4a209906e7c1 │ Add the "snapshot too old" feature │ │ 2 │ 1 │ fd31cd265138019dcccc9b5fe53043670898bc9f │ Don't vacuum all-frozen pages. │ │ 2 │ 1 │ Freeze map │ │ │ 2 │ 1 │ LWLock tranches │ │ │ 2 │ 1 │ Parallelism Stuff (many patches) │ │ │ 2 │ 1 │ Parallel Query │ │ │ 3 │ 1 │ 013ebc0a7b7ea9c1b1ab7a3d4dd75ea121ea8ba7 │ Microvacuum for GIST │ │ 3 │ 1 │ 0711803775a37e0bf39d7efdd1e34d9d7e640ea1 │ Use quicksort, not replacement selection,for external sorting. │ │ 3 │ 1 │ 45be99f8cd5d606086e0a458c9c72910ba8a613d │ Support parallel joins, and make relatedimprovements. │ │ 3 │ 1 │ 53be0b1add7064ca5db3cd884302dfc3268d884e │ Provide much better wait information inpg_stat_activity. │ │ 3 │ 1 │ 98a64d0bd713cb89e61bef6432befc4b7b5da59e │ Introduce WaitEventSet API. │ │ 3 │ 1 │ Checkpoint sorting & flushin │ │ │ 3 │ 1 │ Default Roles │ │ │ 3 │ 1 │ fd31cd265138019dcccc9b5fe53043670898bc9f │ Don't vacuum all-frozen pages. │ │ 3 │ 1 │ Parallel aggregate │ │ │ 3 │ 1 │ parallel query │ │ │ 3 │ 1 │ postgres_fdw join push down │ │ │ 3 │ 1 │ Updated backup APIs │ │ └───────┴───────┴───────────────────────────────────────────────────────────────┴────────────────────────────────────────────────────────────────────────────┘ (36 filas) -- Álvaro Herrera http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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