From: | Bruce Momjian <bruce(at)momjian(dot)us> |
---|---|
To: | Mel Llaguno <mllaguno(at)coverity(dot)com> |
Cc: | "pgsql-performance(at)postgresql(dot)org" <pgsql-performance(at)postgresql(dot)org> |
Subject: | Re: Performance bug in prepared statement binding in 9.2? |
Date: | 2013-09-10 11:50:18 |
Message-ID: | 20130910115018.GD32160@momjian.us |
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Thread: | |
Lists: | pgsql-performance |
On Tue, Sep 10, 2013 at 05:43:16AM +0000, Mel Llaguno wrote:
> Bruce,
>
> First of all, I'd like to thank you for taking some interest in this
> issue. We'd love to migrate to the latest PG version, but this issue
> is currently preventing us from doing so.
>
> Regardless of the DB used (base application schema _or_ restored DB
> with additional app data + base application schema), seed information
> is present in all tests. I guess my question is this - why would
> having existing data change the bind behavior at all? Is it possible
> that the way indexes are created has changed between 8.4 -> 9.x?
I don't know as you have not shown us exactly what is slower between
versions --- you only said the bug appears or not in certain
circumstances.
--
Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://enterprisedb.com
+ It's impossible for everything to be true. +
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