and check out Pete Frietag's blog...in fact he just posted more info today on JVM tuning http://www.petefreitag.com/item/508.cfm
DK On 12/8/05, Dave Carabetta <[EMAIL PROTECTED]> wrote: > On 12/8/05, Jon Block <[EMAIL PROTECTED]> wrote: > > I have a super load intensive app that I'm working on. I'm using tons of > > cached queries and other types of CFC's etc. My server has 2GB of memory > > on it. I want CF to be able to gobble up all the memory it possibly > > would need to accomplish all of the stuff I've got it doing. Do I need > > to specify somewhere that it can use up to 2GB or memory?? > > > > Jon, > > Well, yes, but be extremely careful. Here are some notes: > > 1) If you have 2 GB total on the box, then you *can't* dedicate 2GB > solely for ColdFusion. Other applications (like the OS) need their own > RAM allocations. JVMs use continuous memory spaces, which means that > it will need 2GB of *continuous* space in RAM to work. If there's > isn't 2 full GB of RAM available, it'll use 2GB of swap space instead > (if there's even enough), and will kill your performance. > > 2) You don't note the OS you're using. If it's Windows, there is a > limit to the amount of RAM that can be allocated to a JVM Heap (I > think it's 1.4 GB) due to a continuous memory address limitation on > that platform. > > 3) You will need to create a separate jvm.config file, which > ColdFusion uses as its "template" to determine how much memory, etc., > to allocate. > > I would suggest searching around for performance tuning articles to > help you out, as this is a very complicated area. Here's one to get > you started: > > http://www.robisen.com/index.cfm?mode=entry&entry=FD4BE2FC-55DC-F2B1-FED0717CC1C7E0AF > > Also, anything on Steven Erat's blog is invaluable as well: > > http://www.talkingtree.com/blog/ > > Regards, > Dave. > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| Logware (www.logware.us): a new and convenient web-based time tracking application. Start tracking and documenting hours spent on a project or with a client with Logware today. Try it for free with a 15 day trial account. http://www.houseoffusion.com/banners/view.cfm?bannerid=67 Message: http://www.houseoffusion.com/lists.cfm/link=i:4:226585 Archives: http://www.houseoffusion.com/cf_lists/threads.cfm/4 Subscription: http://www.houseoffusion.com/lists.cfm/link=s:4 Unsubscribe: http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=89.70.4 Donations & Support: http://www.houseoffusion.com/tiny.cfm/54
