Re: Performance bug in prepared statement binding in 9.2?

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От Andrew Dunstan
Тема Re: Performance bug in prepared statement binding in 9.2?
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Msg-id 522F219C.4070602@dunslane.net
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Ответ на Re: Performance bug in prepared statement binding in 9.2?  (Andres Freund <andres@2ndquadrant.com>)
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On 09/10/2013 09:23 AM, Andres Freund wrote:
> On 2013-09-10 15:21:33 +0200, Andres Freund wrote:
>> If I interpret things correctly you're using serializable? I guess there
>> is no chance to use repeatable read instead?
> Err, that wouldn't help much. Read committed. That lets PGXACT->xmin advance
> these days and thus might help to reduce the impact of the longrunning
> transactions.
> Otherwise you will have to shorten those...
>


Yeah, we're looking at eliminating them.

cheers

andrew



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