Re: [HACKERS] Cannot shutdown subscriber after DROP SUBSCRIPTION

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От Robert Haas
Тема Re: [HACKERS] Cannot shutdown subscriber after DROP SUBSCRIPTION
Дата
Msg-id CA+TgmoZQKo5FPzZ8t_NuSWK-MVe6f4UH4EYCM_ioMjbWt1oqnQ@mail.gmail.com
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Ответ на Re: [HACKERS] Cannot shutdown subscriber after DROP SUBSCRIPTION  (Petr Jelinek <petr.jelinek@2ndquadrant.com>)
Список pgsql-hackers
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On Sat, Feb 4, 2017 at 3:11 PM, Petr Jelinek
<petr.jelinek@2ndquadrant.com> wrote:
> That was the reason why DropSubscription didn't release the lock in the
> first place. It was supposed to be released at the end of the
> transaction though.

Holding an LWLock until end-of-transaction is a phenomenally bad idea,
both because you lose interruptibility and because of the deadlock
risk.

-- 
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

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