Re: Parallel Apply
От | Andrei Lepikhov |
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Тема | Re: Parallel Apply |
Дата | |
Msg-id | 73ace9a5-404e-4563-b3b1-eba9b4b91c60@gmail.com обсуждение исходный текст |
Ответ на | Parallel Apply (Amit Kapila <amit.kapila16@gmail.com>) |
Ответы |
Re: Parallel Apply
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Список | pgsql-hackers |
On 11/8/2025 06:45, Amit Kapila wrote: > The core idea is that the leader apply worker ensures the following: > a. Identifies dependencies between transactions. b. Coordinates > parallel workers to apply independent transactions concurrently. c. > Ensures correct ordering for dependent transactions. Dependency detection may be quite an expensive operation. What about a 'positive' approach - deadlock detection on replica and, restart apply of a record that should be applied later? Have you thought about this way? What are the pros and cons here? Do you envision common cases where such a deadlock will be frequent? -- regards, Andrei Lepikhov
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