Re: [PHP4BETA] How does Java support work

Andi Gutmans wrote: >By the way, how does your Java support work? Does it start a JVM for each >hit? Or does it cleanup the JVM in someway in between hits? In general I'm >interested in the performance issues. sapi/servlet will use the existing JVM, and is as fully multi-threaded to the extent that PHP will allow it. If you simply use ext/java by itself, a single JVM will be spawned per process on the first request to a Java object. This JVM will live until module shutdown. Apache 1.3.x will therefore have a pool of JVMs, and CGI will create a JVM per request. As a historical note, I wrote ext/java first. When I started to look into issues such as performance, robustness, and JVM pooling, I realized that this was not only a hard problem, but also a solved problem. So I took what was essentially the lazy way out and opted to use the existing JVM from the web server. In retrospect, I do believe that this actually is the right answer. - Sam Ruby