Chris, First of all, I defer to any of the suggestions that Jochem gives you, since he's way better in the server configuration arena than I am (or many of us, for that matter). Windows defaults out of the box to about 7200 concurrent threads (src - http://gregluck.com/blog/ archives/2004/12/limits_to_threa_1.html - and his thread-test.jar available from the same post) for the JVM, though which should be adequate in most cases if what's being served from CF is optimized.
If I may, I might also suggest taking a look at the queries on your hardest hit pages. The biggest violator in CF I've found, personally, for java.lang.OutOfMemory errors has been in manipulating the results of queries that are returning a large number of records in the base query (i.e. QoQ or <cfoutput query="..." group="...">). Sometimes this starts to happen unexpectedly when a table has grown very large over time and the original queries weren't designed to deal with recordsets on that scale. Memory issues then get progressively worse as the table grows larger until the number of records being manipulated is so large that it creates the Out of memory errors and eventually hangs the server. HTH, Jon PS - "Connection reset by peer: socket write error" which you also mentioned can be caused by database connectivity issues - possibly also a query issue on the DBMS side. On Apr 16, 2007, at 11:31 AM, Peterson, Chris wrote: > Nope, debugging is not enabled on either cluster-member instance. > Check > this one out, now I am finding this in my err.log file: > > java.lang.OutOfMemoryError: unable to create new native thread > > It looks like its hitting some type of native OS memory limit for > creating threads? I found this article about it: > http://www.talkingtree.com/blog/index.cfm/2005/3/11/NewNativeThread > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| Deploy Web Applications Quickly across the enterprise with ColdFusion MX7 & Flex 2 Free Trial http://www.adobe.com/products/coldfusion/flex2/?sdid=RVJU Archive: http://www.houseoffusion.com/groups/CF-Talk/message.cfm/messageid:275404 Subscription: http://www.houseoffusion.com/groups/CF-Talk/subscribe.cfm Unsubscribe: http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=11502.10531.4
