Re: Streaming replication: sequences on slave seemingly ahead of sequences on master

From: Magnus Hagander <magnus(at)hagander(dot)net>
To: Simon Riggs <simon(at)2ndquadrant(dot)com>
Cc: Vincent de Phily <vincent(dot)dephily(at)mobile-devices(dot)fr>, pgsql-general(at)postgresql(dot)org, benjamin(dot)vialle(at)mobile-devices(dot)fr
Subject: Re: Streaming replication: sequences on slave seemingly ahead of sequences on master
Date: 2012-05-07 08:19:47
Message-ID: CABUevEwEq+7ce78YZ7Y0+Dd8CDX2VG_C=4siB_-t-MDg859+bw@mail.gmail.com
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-general

On Mon, May 7, 2012 at 10:14 AM, Simon Riggs <simon(at)2ndquadrant(dot)com> wrote:
> On 7 May 2012 09:01, Vincent de Phily <vincent(dot)dephily(at)mobile-devices(dot)fr> wrote:
>
>> Would be nice to see it added to the documentation (unless I just didn't find
>> it ?), as it is quite surprising, and might lead to problems if people expect
>> to be able to read sequence values from the slave.
>
> If you think so, please submit a patch. That's how it works here.

FWIW, I think this would be a reasonable thing to document, given that
it violates the principle of least surprise for people who are not
intimately familiar with how replication and/or sequences work wrt wal
logging in postgresql. (but no, I'm not actually volunteering at this
point to write said patch due to my backlog already being too large
:P)

--
 Magnus Hagander
 Me: http://www.hagander.net/
 Work: http://www.redpill-linpro.com/

In response to

Responses

Browse pgsql-general by date

  From Date Subject
Next Message Simon Riggs 2012-05-07 09:36:40 Re: Streaming replication: sequences on slave seemingly ahead of sequences on master
Previous Message Simon Riggs 2012-05-07 08:14:33 Re: Streaming replication: sequences on slave seemingly ahead of sequences on master