Apache::DBI::Cache - a DBI connection cache - search.cpan.org
http://search.cpan.org/~opi/Apache-DBI-Cache-0.08/lib/Apache/DBI/Cache.pod#logger yet another module that does connection caching
http://search.cpan.org/~opi/Apache-DBI-Cache-0.08/lib/Apache/DBI/Cache.pod#logger yet another module that does connection caching
http://perl.apache.org/docs/1.0/guide/performance.html#Persistent_DB_Connections some mod_perl performance notes, including persistent connection handling
http://apr.apache.org/docs/apr-util/1.2/group___a_p_r___util___r_l.html pool of objects / list of resources functions (for things like database connection, or licensed libs/dlls)
http://apr.apache.org/ Documentation on Apache Portable Runtime (aka ‘apr_’
http://www.amazon.com/Apache-Modules-Book-Application-Development/dp/0132409674/ref=pd_sim_b_img_2/102-9014623-7444926 apache modules development book
http://highscalability.com/youtube-architecture presentation about Youtube internal architecture, details on how youtube can scale that much
http://meta.slashdot.org/article.pl?sid=07/10/22/145209 some details about software setup for slashdot
http://www.tummy.com/Community/Articles/tomcat-centos/ howto
http://www.fudgie.org/ OpenGL log visualization (ssh and tail) – pretty cool!!!
http://www.stdlib.net/~colmmacc/Apachecon-EU2005/scaling-apache-handout.pdf 20K concurrent download of static content from a single server – a paper how SF.net mirror from Ireland did that.