2015-03-29 9:52 GMT+03:00 Paul, Subhro <subhro.p...@pseg.com>: > Dear Team, > > I am an application developer from TCS and working for PSEG > (https://www.pseg.com). > > You might have seen my queries which I forwarded on 12 Feb, 2015 for Tomcat > server crashing issue. After that we have added some resources to the > servers. Now we have two Tomcat6 servers each one is having 16GB of RAM and > 8CUPS. All server are Linux 6.5 64 bit OS. > > As per application architecture we have two Apache Proxy servers and two > Tomcat servers. Also we have two loadbalancers, one for Proxy loadbalancing > and another for Tomcat loadbalancing. So, when request comes that comes to > proxy loadbalncer first then Apache Proxy server -> Tomcat loadbalancer -> > Tomcat server. > > Some days back on 19th and 23rd of March another incident occurs when server > faced some issues again. This time none of the servers where crashed but for > some highly used pages in the site, Apache proxy server started complaining > Timeout which is 60 seconds. After googling we thought we could increase the > Time out in Proxy but client don't accept that. > > So we need some tuning parameters on Tomcat server for better performance. > Below are some of the setting parameters from actual server. Ports are masked. > > > Initializing param: > > JAVA_OPTS="${JAVA_OPTS} -Xms1024M -Xmx1024M" > CATALINA_OPTS="${CATALINA_OPTS} -Xms1024M -Xmx1024M"
Memory options should go into CATALINA_OPTS only, not both. If you are using a 64-bit JVM, it needs more memory than a 32-bit JVM would need, as object pointers require more memory. <...> Best regards, Konstantin Kolinko --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
