Re: jdbc driver performance TODO

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От Kris Jurka
Тема Re: jdbc driver performance TODO
Дата
Msg-id Pine.BSO.4.63.0610282120420.1994@leary2.csoft.net
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Ответ на Re: jdbc driver performance TODO  (Julien Patrouix <jpatroui@genoscope.cns.fr>)
Список 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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