Taming Tomcat

Connection Pools: options

• Tomcat's connection pool is not the only one available
• It's new and people have needed them for a long time
• I use my own
  • Simple, lightweight, reliable
  • Designed for use with Servlets
  • No special configuration
  • Not transparent - software must invoke it explicitly
  • Robust at preventing leaks
• Other open source connection pools include
  • Primrose
    • Designed explicitly for use with Tomcat
  • Proxxool
    • Claimed to be transparent - no need for explicit invokation.
  • Jakarta Commons DBCP
    • 'Jakarta Commons' is the Apache Foundation's project to produce a collection of reliable and resusable Java utility components
    • To prevent too much wheel re-inventing
    • Tomcat's connection pool is built on top of Jakarta Commons DBCP
    • Not robust at preventing leaks

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