Re: Performance Bottleneck

On 8/3/2004 2:05 PM, Martin Foster wrote:

> I run a Perl/CGI driven website that makes extensive use of PostgreSQL
> (7.4.3) for everything from user information to formatting and display
> of specific sections of the site. The server itself, is a dual
> processor AMD Opteron 1.4Ghz w/ 2GB Ram and 2 x 120GB hard drives
> mirrored for redundancy running under FreeBSD 5.2.1 (AMD64).
>
> Recently loads on the site have increased during peak hours to the point
> of showing considerable loss in performance. This can be observed
> when connections move from the 120 concurrent connections to PostgreSQL
> to roughly 175 or more. Essentially, the machine seems to struggle
> to keep up with continual requests and slows down respectively as
> resources are tied down.

Have you taken a look at pgpool? I know, it sounds silly to *reduce* the
number of DB connections through a connection pool, but it can help.

Jan

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