# CNStats STD/PRO 3.2 / User manual

© "CN-Software" Ltd. 2002-2008
support@cn-software.com
www.cnstats.com, www.cn-software.com

# System requirements

- PHP 4.0.6 and later;
- MySql 3.23 and later.

Additional requirements only for CNStats PRO:

- Perl 5 + DBI;
- Crontab or any other task planner.

Statistics can be viewed with any web-browser.

## CNStats efficiency

CNStats efficiency and velocity depends directly upon MySql database server productivity. CNStats processes 150 thousand exposures per day on a dedicated server of average efficiency without overload.

Note: CNStats PRO possesses increased efficiency and reliability due to new technology of data counting (hence the specific system requirements for PRO edition).

You should test CNStats efficiency before purchasing.

## CNStats requests to MySql

While downloading the pages with the installed counter code, CNStats requests MySql database. The requests quantity during one-page download depends on CNStats version and the selected counter type. There are about 8 requests at CNStats 2.7 - 2.10, 7 at 2.6, and 5 at 2.5 correspondingly per pageview. Requests increasing is related with functionality growth.

The following table contains precise quantity of SQL requests for 2.10 version depending on the counter type:

| "PHP-Include" | "GIF 1x1" | "Combined"
Total: | 6-7 | 6-7 | 7-8
SELECT | 4 | 3-4 | 4
INSERT | 1-2 | 1-2 | 1-2
UPDATE | 1-2 | 2-3 | 2-3

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