JNeuhoff wrote:
> I have completed some stresstests (with up to 500 concurrent users) on Apache
> 2.0.59, mod_jk 2.1.20, Tomcat 5.5.17, using the following
> workers.properties:
>
...
>
> and it seems to be coping just fine now under the stressload. I think I'll
> use this setup on our live server now. Thanks a lot for your help.

Good to know.

>
> Just one final question:
>
> Despite my connection_pool_timeout=600 and connection_pool_minsize=10, one
> of the Apache2.exe processes remains at 70MB memory usage, even after the
> connection pool has gone down to 10 connections (verified by a netstat
> call). The good news is, the memory doesn't seem grow any further though.
> Still, keeping the 70MB for just the minimum 10 connections is a lot of
> cache memory. Maybe the connection pool releases timed out connections as
> expected, but doesn't flush them?

It closes the connections, but it doesn't release all objects related to
the corresponding cache slot. Somehow I have the feeling, that it's not
really worth optimizing this, because 70MB for a web server doesn't
sound that much relative to hardware sizes of the last years. I assume
you are not moving into the embedded world :)

I've got no idea, how biig the process would be, if you would send your
requests just once to make the basic initializations happen. Will it be
much smaller than 70MB?

> BTW.: The mod_jk 1.1.20, downloaded from
> http://mirrors.dedipower.com/ftp.apache.org/tomcat/tomcat-connectors/jk/binaries/win32/jk-1.2.20/mod_jk-apache-2.0.58.so
> identifies itself as mod_jk/1.2.19, not as mod_jk/1.2.20 !

I didn't test (I'm rarely on Win), but I had a look at the binary:

- it's the same as on the origin server (downloaded a minute ago)
- it has 1.2.20 as a version string inside and no 1.2.19
- it's md5 checksum is:

MD5 (mod_jk-apache-2.0.58.so) = e0bbc07e656c17fa3bd4fd4ea05f457a

You should check, if this really is the file you are actually using.

Maybe I didn't understand correctly, what your idea of "identifiying" is.

> Regards
>
> J.Neuhoff
>

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