I think it's time to *think* about it (ie turn to jdk 7). I don't mean to change things, simply think about them, prepare them...
From: "Adam Heath" <doo...@brainfood.com>
== Area: HotSpot Synopsis: In JDK 7, interned strings are no longer allocated in the permanent generation of the Java heap, but are instead allocated in the main part of the Java heap (known as the young and old generations), along with the other objects created by the application. This change will result in more data residing in the main Java heap, and less data in the permanent generation, and thus may require heap sizes to be adjusted. Most applications will see only relatively small differences in heap usage due to this change, but larger applications that load many classes or make heavy use of the String.intern() method will see more significant differences. RFE: 6962931 == A few years back, I modified ofbiz to intern strings read from entitymodel and servicemodel files. According to the above new feature, those strings where in permgen. Also, as ofbiz has used more and more groovy files, there are more and more classes loaded. That also implies a much larger permgen.
