Hi Michiel,
You might want to check out the following article on allaire.com:
Looking At ColdFusion Memory Usage
http://www.allaire.com/Handlers/index.cfm?ID=15014&Method=Full
Among the things it mentions to look out for:
Check which MDAC version is being used. In many of the reported cases, the
MDAC version 2.1.3711.11 contained a documented memory leak.
Examine ColdFusion query caching to make sure no differences appear.
Make sure that growing files, logs, or record sets are not being brought
into memory, even if only for the duration of the request.
Check accumulating states in persistent scopes, including server,
application, and session.
Operations on collections (e.g., CFSearch and CFIndex) can cause growth over
time.
Keep in mind that operations needing large contiguous blocks of memory like
CFFile or CFHTTP can take longer to plateau.
Homegrown CFX tags may be allocating memory and not properly freeing it up.
When running tests for memory usage, check for the existence of any
application.cfm files located in the directory path that enable session,
application, or server variables. These variables may add processing cycles
or additional demand on memory, which may not be immediately apparent.
One of the most common causes are improperly locked access to session,
application, and server variables. These variables are stored in memory and
need to be enclosed in a CFLOCK tag with the appropriate SCOPE attribute
specified (i.e. session, application, or server) when referenced.
When accessing client variables stored in an Oracle DB with the CFAS native
driver for Oracle, see KB article 15885.
HTH
Aaron Johnson, MCSE, MCP+I
Allaire Certified ColdFusion Developer
MINDSEYE, Inc.
<phn>617.350.0339
<fax>617.350.8884
<icq>66172567
[EMAIL PROTECTED]
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