Category Archives: Java

Tuning JVM Memory Settings

Update: Andrew Wang’s blog post (http://www.umbrant.com/blog/2012/twitter_jvm_tuning.html) is a pretty nice quick guide, well worth reading in conjunction with this page. Sorting out sensible JVM memory settings in a production environment can be a tricky business. There are some great articles, blogs and lengthy white-papers out there explaining the details of how the JVM manages memory, [...]
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Yubikey Glassfish Java Authentication Realm

Container-managed authentication is very useful in Java web applications; it saves writing a lot of back-end authentication and authorisation code into our applications, makes SSO (single sign-on) trivial between J2EE apps and also allows developers to hook into existing enterprise authorisation frameworks with relative ease. With our recent development work with the Yubikey, a one-time [...]
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