On 07/10/2011 00:20, Bill Wang wrote: > Hi Tomcat Guru, > > Recently one of Tomcat application has performance issue, which get slow > respond with high sessions.
You should find out exactly why that is, rather than guessing. > One team member recommend me to adjust the session timeout from 60 minutes > to 30 minutes. I will do that, but before change it, I'd like to understand > how the performance related with the expire session timeout. Performance will only be impacted as a side-effect of memory being consumed by the session for a shorter period of time. > <session-timeout>60</session-timeout> > > Second, currently I monitor the session count by login the admin interface, > the manual way is not efficiency, can I run some commands to get the > sessions number? With that I can set a cronjob and generate the session > report easily. The session count per application can be read via a JMX connection and a request to the appropriate MBean. p
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