Re: DBD::Pg performance bites compared to DBD::mysql?

Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> writes:

> I'm not any kind of Perl module guru, but it looks to me like the
> explanation for the discrepancy is that much of DBD::mysql is written
> in C while the equivalent code in DBD::Pg is written in Perl. This is
> killing us for any app written in Perl :-( --- the above trace only
> shows a factor of 2 total penalty, but I've seen up to a factor of 4 in
> other cases. There is no way that a client-side driver should be taking
> several times longer than the backend to process a SQL command :-(

What version of DBD::Pg did you test with? Development was pretty moribund for
a while but has picked up recently, just in time for 8.0 and the new binary
prepared query support.

Incidentally, the DBD::Pg mailing list is dbdpg-general(at)gborg(dot)postgresql(dot)org

--
greg