Re: [HACKERS] parallel.c oblivion of worker-startup failures
От | Robert Haas |
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Тема | Re: [HACKERS] parallel.c oblivion of worker-startup failures |
Дата | |
Msg-id | CA+TgmoYHJ2UTP=pgz6Na6r_DVrKqvQip-1qSMurdTU9QwshUWA@mail.gmail.com обсуждение исходный текст |
Ответ на | Re: [HACKERS] parallel.c oblivion of worker-startup failures (Amit Kapila <amit.kapila16@gmail.com>) |
Ответы |
Re: [HACKERS] parallel.c oblivion of worker-startup failures
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Список | pgsql-hackers |
On Mon, Jan 22, 2018 at 10:56 PM, Amit Kapila <amit.kapila16@gmail.com> wrote: > It does turn such cases into error but only at the end when someone > calls WaitForParallelWorkersToFinish. If one tries to rely on it at > any other time, it won't work as I think is the case for Parallel > Create Index where Peter G. is trying to use it differently. I am not > 100% sure whether Parallel Create index has this symptom as I have not > tried it with that patch, but I and Peter are trying to figure that > out. OK. I've committed this patch and back-patched it to 9.6. Back-patching to 9.5 didn't looks simple because nworkers_launched doesn't exist on that branch, and it doesn't matter very much anyway since the infrastructure has no in-core users in 9.5. I'll respond to the other thread about the issues specific to parallel CREATE INDEX. -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company
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