On Jul 22, 2010, at 9:19 AM, Darren Kukulka wrote: > Another, more difficult scenario, is when one of the Tomcat cluster > nodes begins to groan and become unresponsive, say when OldGen or > PermGen becomes full...in this case the mod_jk connector does not > identify the node as having failed and will continue to attempt to pass > requests to it, rather than pass them to the more responsive node.
We had this problem often. mod_proxy_ajp seems to suffer from the same malady. I got fed up with it and wrote my own session manager and switched to using HAProxy. HAProxy will let you use a URL as a health checker. My article on using HAProxy rather than mod_jk/mod_proxy_ajp: http://www.tomcatexpert.com/blog/2010/07/12/trick-my-proxy-front-tomcat-haproxy-instead-apache Jon Brisbin Portal Webmaster NPC International, Inc. > > > > Are there any configuration settings to be mindful of with these > scenarios? > > > > Cheers, > > Darren. > > > > Connaught plc is a FTSE 250 company. We are the UK's leading provider of > integrated services operating in the compliance, environmental, social > housing and public sector markets. > > Please visit our website to see a full list of Connaught's Registered > Companies www.connaught.plc.uk/group/aboutconnaught/registeredcompanies > > Disclaimer: > The information transmitted is intended only for the person or entity to > which it is addressed and may contain confidential and/or privileged > material. Any review, retransmission, dissemination or other use of, or > taking of any action in reliance upon, this information by persons or > entities other than the intended recipient is prohibited. If you received > this in error, please contact the sender and delete this message. Connaught > plc, Head Office 01392 444546 --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
