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Posted by Jψrn Dahl-Stamnes on 12/21/06 10:54
Hello,
I have been using mysql_connect in a script that display a lot of thumbnails
for an album. Each thumbnail is displayed using the code:
<IMG SRC="thm.php?id=some_id" ALT="some title">
thm.php use a mysql_connect to the database to access the info about the
picture based on the id.
This worked fine. However, the SQL server is located on a different network
than the web-server with a firewall between. When I looked into the
firewalls log I saw that there was large amount of new connections when
someone accessed the page where all the thumbnails was displayed.
I then changed mysql_connect to mysql_pconnect on the scripts and viola...
the amount of new connections to the SQL server dropped to only two.
Good, I thought. But later I discovered that the SQL server had a large
amount of childs running. I had 50-60 mysqld running on the system. This
number was constant to below 10 before I changed to persistent mode.
Any settings in the config file for the sql-server I need to be aware of?
I'm using MyISAM tables.
mysql> select version();
+----------------+
| version() Β Β Β |
+----------------+
| 4.1.8-standard |
+----------------+
--
JΓΈrn Dahl-Stamnes
http://www.dahl-stamnes.net/dahls/
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