?Tomcat+Nginx+Memcached

??Ubuntu 16.04 64 bit test pass

??Movement classification, load balancing, clustering, Javolution serialized, high-performance, high availability

Configuration environment (both current latest stable version): ??the JDK-Linux-x64-8u131 ??the Apache-Tomcat-8.5.14 ??nginx-1.12.0 ??memcached-1.4.36

EDITORIAL:

??Originally intended configuration kryo serialization framework, but also how to get unsuccessful, with only a Javolution ??If the last unsuccessful general problems will find […]

Commons Daemon procrun stdout initialized

Error occurred during initialization of VM

Could not reserve enough space for 1048576KB object heap

Here is how to fix it: Go to Start->Control Panel->System->Advanced(tab)->Environment Variables->System

Variables->New: Variable name: _JAVA_OPTIONS Variable value: -Xmx512M

Variable name: Path Variable value: ;C:\Program Files\Java\jre6\bin;F:\JDK\bin;

Change this to your appropriate path.

Install Tomcat 9 on Centos 7

cd /opt/ wget –no-cookies –no-check-certificate –header “Cookie: gpw_e24=http%3A%2F%2Fwww.oracle.com%2F; oraclelicense=accept-securebackup-cookie” “http://download.oracle.com/otn-pub/java/jdk/8u101-b13/jdk-8u101-linux-x64.tar.gz” tar -zxvf jdk-8u101-linux-x64.tar.gz alternatives –install /usr/bin/java java /opt/jdk1.8.0_101/bin/java 2 alternatives –config java java -version vi /etc/profile.d/java.sh export JAVA_HOME=/opt/jdk1.8.0_101 export JRE_HOME=/opt/jdk1.8.0_101/jre export PATH=$PATH:/opt/jdk1.8.0_101/bin:/opt/jdk1.8.0_101/jre/bin chmod +x /etc/profile.d/java.sh source /etc/profile.d/java.sh export

cd /usr/local wget http://www.us.apache.org/dist/tomcat/tomcat-9/v9.0.0.M1/bin/apache-tomcat-9.0.0.M1.tar.gz wget http://download.nus.edu.sg/mirror/apache/tomcat/tomcat-9/v9.0.0.M11/bin/apache-tomcat-9.0.0.M11.tar.gz tar -zxvf apache-tomcat-9.0.0.M11.tar.gz cd apache-tomcat-9.0.0.M11 […]

Why sticky sessions? Imagine you have a Apache server which load balances between two tomcat servers(tomcat1 and tomcat2) in the backend, With the use of sticky sessions, When the user sends the first request, If apache routes it to tomcat1, It will keep on sending the other requests made by the same user to the […]