Friday, 19th April 2024
Comment posted Preserve Session IDs of Tomcat cluster behind Apache reverse proxy / Sticky sessions with mod_proxy and Tomcat by .
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One other note for those new to Tomcat is short explanation on maxThreads and acceptCount.setting in server.xml
maxThreads – defines how many parallel connections Tomcat could serve (to Java VM).
acceptCount – is the amount of message queue size, requests to Tomcat which are higher than the requests defined by maxThreads will be stored in a queue (those onhold queue could hold a maximum number of requets).
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If you get some timeouts issues from Tomcat to Apache Reverse Proxy. Try setting to BalancerMember max=64. This timeout issues are common for Apache to work with mod_worker, you should have a configuration like:
<Proxy balancer://mycluster>
View CommentView CommentBalancerMember ajp://10.16.166.48:11010/ route=delivery1 timeout=30 retry=1 max=64
BalancerMember ajp://10.16.166.70:11010/ route=delivery2 timeout=30 retry=1 max=64
</Proxy>