Ubuntu 10.04 & Tomcat 6: Improve performance with Apache Tomcat Native library

To improve the performance of the Apache Tomcat Server you could use the Apache Tomcat Native library.
To install the library just execute:

# sudo aptitude install libtcnative-1

and add the following line to the file $CATALINA_HOME/bin/setenv.sh (create the file if it does not exist):


To verify the library is running you will find the following message in $CATALINA_HOME/logs/catalina.out:

INFO: Loaded APR based Apache Tomcat Native library 1.1.19.

Without the Apache Tomcat Native library you will find a message like:

INFO: The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: [...]


  1. java nginx rocks

    very useful tutorial. by how much will this improve performance?

  2. Jan Jonas

    Unfortunately, I’ve no information or details about how much this improves the performance.

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