| From: | Richard Huxton <dev(at)archonet(dot)com> |
|---|---|
| To: | Eliot Gable <egable+pgsql-performance(at)gmail(dot)com> |
| Cc: | Merlin Moncure <mmoncure(at)gmail(dot)com>, pgsql-performance(at)postgresql(dot)org |
| Subject: | Re: Performance Tuning Large PL/PGSQL Stored Procedure |
| Date: | 2010-03-26 12:18:25 |
| Message-ID: | 4BACA611.8050607@archonet.com |
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| Lists: | pgsql-performance |
On 26/03/10 03:56, Eliot Gable wrote:
>
> I really am chasing milliseconds here, and I appreciate all your feedback.
> You've given me a relatively large number of possible optimizations I can
> try out. I will definitely try out the libpqtypes. That sounds like a
> promising way to further cut down on execution time. I think most of my
> performance penalty is in transfering the results back to the C++
> application.
In addition to all of Merlin's good advice, if the client is on a
different machine to the server then try sticking wireshark or similar
onto the connection. That should make it pretty clear where the main
costs are in getting your data back.
--
Richard Huxton
Archonet Ltd
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