From: | Kris Jurka <books(at)ejurka(dot)com> |
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To: | Julien Patrouix <jpatroui(at)genoscope(dot)cns(dot)fr> |
Cc: | Bucky Jordan <bjordan(at)lumeta(dot)com>, Simon Riggs <simon(at)2ndquadrant(dot)com>, pgsql-jdbc(at)postgresql(dot)org |
Subject: | Re: jdbc driver performance TODO |
Date: | 2006-10-29 02:23:27 |
Message-ID: | Pine.BSO.4.63.0610282120420.1994@leary2.csoft.net |
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Lists: | pgsql-jdbc |
On Sat, 28 Oct 2006, Julien Patrouix wrote:
> In my opinion, improvements could be made in the encoding/decoding of the
> protocole messages (Ie the PGStream class).
> From what I have seen thanks to a profiler some methods are over invoked, and
> the numeric encoding is not as efficient as it could be.
> That numeric encoding/decoding is used very often, even for the protocole
> purposes, not only for data encoding.
>
> Furthermore, it would be interesting not to use the java BufferedStream
> implementation, and use a specific one so as to directly manage and access
> the buffer.
This is what Mikko Tiihonen has done here and I intend to apply it next
week. http://archives.postgresql.org/pgsql-jdbc/2006-09/msg00163.php
> I use a driver I have optimized, and submitted these obervations a couple of
> time to the list, but I'm really sorry I can't contribute more for a long
> time I'm afraid
I've never seen a patch come across this list. Could you retry or point
me to an archives entry?
Kris Jurka
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