FWIW - tried the G1 collector on Java 6 (_16 release iirc) for a large deployment on Win64/CF 8 for a while and had regular fatal JVM crashes. I'm pretty sure it has improved in later versions, but everyone be aware, that the G1 collector in Java 6 is _really_ experimental and it's not just a label Oracle sticked on to it :)
> Hi Sean, > > I notice Java 7 is due for release at end of July. With java 7 you get > the released version of UseG1GC garbage collector - rather than > experimental option in java 6. > > Cheers, Carl. > > >> >> Yeah, on 32-bit Windows, 1.4GB is the most you can give it. I pretty >> much never run CF in production with less than a 2GB heap (usually 2GB >> min, 3GB max) but of course I don't use Windows in production. On >> 64-bit servers you can go higher but if you go beyond 4GB, you need to >> be very careful about the GC configuration you use... Even tho' it's >> only experimental in Java 6, if you use a large heap, the G1 collector >> is worth trying (but, as always, it's all about load testing / real >> live load and constantly tuning the GC configuration to get the best >> overall performance). -- You received this message because you are subscribed to the Google Groups "cfaussie" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/cfaussie?hl=en.
