Re: Remove vacuum_defer_cleanup_age

From: Robert Haas <robertmhaas(at)gmail(dot)com>
To: Bruce Momjian <bruce(at)momjian(dot)us>
Cc: Josh Berkus <josh(at)agliodbs(dot)com>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Remove vacuum_defer_cleanup_age
Date: 2016-10-20 00:17:46
Message-ID: CA+TgmoZRAGu5e6Agd6TxOSiVTHOkX6jE+WXjA3seFh9eOHyf5Q@mail.gmail.com
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On Wed, Oct 19, 2016 at 12:59 PM, Bruce Momjian <bruce(at)momjian(dot)us> wrote:
> Uh, vacuum_defer_cleanup_age sets an upper limit on how long, in terms
> of xids, that a standby query can run before cancel, like
> old_snapshot_threshold, no?

No, not really. It affects the behavior of the master, not the standby.

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

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