| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Jignesh Shah <J(dot)K(dot)Shah(at)Sun(dot)COM> |
| Cc: | pgsql-performance(at)postgresql(dot)org, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Performance of Parser? |
| Date: | 2007-01-14 00:24:28 |
| Message-ID: | 28391.1168734268@sss.pgh.pa.us |
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| Lists: | pgsql-hackers pgsql-performance |
Jignesh Shah <J(dot)K(dot)Shah(at)Sun(dot)COM> writes:
> The appserver is basically using bunch of prepared statements that the
> server should be executing directly without doing the parsing again.
Better have another look at that theory, because you're clearly spending
a lot of time in parsing (operator resolution to be specific). I think
your client code is failing to re-use prepared statements the way you
think it is.
regards, tom lane
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