Re: [HACKERS] Early locking option to parallel backup

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От Robert Haas
Тема Re: [HACKERS] Early locking option to parallel backup
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Msg-id CA+TgmoYA+t37akkH79Dqx4=FJk6VKPmtgsHLQFgBFeDxkk1eVw@mail.gmail.com
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Ответ на [HACKERS] Early locking option to parallel backup  (Lucas <lucas75@gmail.com>)
Ответы Re: [HACKERS] Early locking option to parallel backup
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On Sun, Nov 5, 2017 at 5:17 AM, Lucas <lucas75@gmail.com> wrote:
> The patch creates a "--lock-early" option which will make pg_dump to issue
> shared locks on all tables on the backup TOC on each parallel worker start.
> That way, the backup has a very small chance of failing. When it does,
> happen in the first few seconds of the backup job. My backup scripts (not
> included here) are aware of that and retries the backup in case of failure.

I wonder why we don't do this already ... and by default.

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


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