Re: PATCH: logical_work_mem and logical streaming of largein-progress transactions
| От | Alvaro Herrera |
|---|---|
| Тема | Re: PATCH: logical_work_mem and logical streaming of largein-progress transactions |
| Дата | |
| Msg-id | 20190926193620.GA16836@alvherre.pgsql обсуждение исходный текст |
| Ответ на | Re: PATCH: logical_work_mem and logical streaming of largein-progress transactions (Alvaro Herrera <alvherre@2ndquadrant.com>) |
| Ответы |
Re: PATCH: logical_work_mem and logical streaming of largein-progress transactions
|
| Список | pgsql-hackers |
On 2019-Sep-26, Alvaro Herrera wrote: > How certain are you about the approach to measure memory used by a > reorderbuffer transaction ... does it not cause a measurable performance > drop? I wonder if it would make more sense to use a separate contexts > per transaction and use context-level accounting (per the patch Jeff > Davis posted elsewhere for hash joins ... though I see now that that > only works fot aset.c, not other memcxt implementations), or something > like that. Oh, I just noticed that that patch was posted separately in its own thread, and that that improved version does include support for other memory context implementations. Excellent. -- Álvaro Herrera https://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
В списке pgsql-hackers по дате отправления: