I thing that is normal!
Currently the APR Connector not implement a shrinking thread pool!
The trick is: Implementation is easier and for a high load szenario
the APR use a pooler buffer instead a a lot of new thread
like the normal Java based connectors.
s. APR Connector documentation or be
When I run Tomcat 5.5 with APR the min/maxSpareThread attributes
don't appear to be working. maxThreads works fine however. Here's
the details:
Versions:
Tomcat 5.5.16
APR 1.2.6
Native Connector 1.1.2
Sun's JDK 1.5.0_06
RedHat AS3
With APR:
server.xml:
address="10.0.111.47"