Re: Hot standby, recovery procs

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От Heikki Linnakangas
Тема Re: Hot standby, recovery procs
Дата
Msg-id 49A65321.9000006@enterprisedb.com
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Ответ на Re: Hot standby, recovery procs  (Simon Riggs <simon@2ndQuadrant.com>)
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Simon Riggs wrote:
> On Tue, 2009-02-24 at 21:59 +0200, Heikki Linnakangas wrote:
> 
>>> I think if I had not made those into procs you would have said that they
>>> are so similar it would aid code readability to have them be the same.
>> And in fact I suggested earlier that we get rid of the unobserved xids 
>> array, and only use recovery procs.
> 
> Last week, I think. Why are these tweaks so important?

Heh, actually, I went searching my mail for when I had suggested that, 
and found that in fact I proposed this exact same method of using the 
unobserved xids array only back in October:

http://archives.postgresql.org/message-id/48F76342.5070407@enterprisedb.com

I had since forgotten all about, but now came up with the same idea 
again during review.

In the first reply in that thread you said that "The main problem is 
fatal errors that don't write abort records. By reusing the PROC entries 
we can keep those to a manageable limit". We're not worried about that 
anymore.

--   Heikki Linnakangas  EnterpriseDB   http://www.enterprisedb.com


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