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

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От Simon Riggs
Тема Re: Streaming replication: sequences on slave seemingly ahead of sequences on master
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Msg-id CA+U5nMJFbXQ=qmc2fvvmRHFOcOTMD0CUy2vz6BUjwBbR+dA2nA@mail.gmail.com
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Ответ на Re: Streaming replication: sequences on slave seemingly ahead of sequences on master  (Magnus Hagander <magnus@hagander.net>)
Список pgsql-general
On 7 May 2012 09:19, Magnus Hagander <magnus@hagander.net> wrote:
> On Mon, May 7, 2012 at 10:14 AM, Simon Riggs <simon@2ndquadrant.com> wrote:
>> On 7 May 2012 09:01, Vincent de Phily <vincent.dephily@mobile-devices.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)

Mine also. Its important that everybody understands that submitting a
patch is the way to get change, plus its a good test of whether the
change is actually worth the effort to make it happen.

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

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