Re: Hot Standby Feedback should default to on in 9.3+ - Mailing list pgsql-hackers

From Simon Riggs
Subject Re: Hot Standby Feedback should default to on in 9.3+
Date
Msg-id CA+U5nMJuDGTM4nPgmEWWKYU9dTSfdoiDJ5eBnsjdMgHOWcmw_w@mail.gmail.com
Whole thread Raw
In response to Hot Standby Feedback should default to on in 9.3+  (Andres Freund <andres@2ndquadrant.com>)
List pgsql-hackers
On 30 November 2012 19:02, Andres Freund <andres@2ndquadrant.com> wrote:

> The subject says it all.
>
> There are workloads where its detrimental, but in general having it
> default to on improver experience tremendously because getting conflicts
> because of vacuum is rather confusing.
>
> In the workloads where it might not be a good idea (very long queries on
> the standby, many dead tuples on the primary) you need to think very
> carefuly about the strategy of avoiding conflicts anyway, and explicit
> configuration is required as well.
>
> Does anybody have an argument against changing the default value?

I don't see a technical objection, perhaps others do.

-- Simon Riggs                   http://www.2ndQuadrant.com/PostgreSQL Development, 24x7 Support, Training & Services



pgsql-hackers by date:

Previous
From: Tom Lane
Date:
Subject: Re: missing LockBuffer(buffer, BUFFER_LOCK_SHARE) in trigger.c GetTupleForTrigger?
Next
From: Robert Haas
Date:
Subject: Re: pg_basebackup is taking backup of extra files inside a tablespace directory