Yes this is normal. Our busy SPARC server has a 2.5 GB JVM and frees over 600MB when it does a GC. It does this at roughly 30 second intervals or so, like your figures show.
On 6/6/07, Terry Ford <[EMAIL PROTECTED]> wrote: > I've never actually paid much attention to CFMX's memory usage before, but I > just started monitoring our memory, and I'm a little unsure whether what > we're seeing is normal or not. > > Setup: CFMX6.1, linux ES4, 800MB Xmx. Server averages 30 templates/second. > Cached queries set to 0 (same thing happens for different values of cached > queries anyway). I'm noticing the same behavior on CF8 pub beta. > > Monitoring java.lang.Runtime.getRunTime()'s freeMemory() > > Here's a sample of our "free memory" output at 5 second intervals: > 493mb > 356mb > 66mb > 66mb > 59mb > 350mb > 57mb > > Over the course of a minute, the free memory value is flying all over the > place. It dives down to 50mb or so, and then I assume the GC cleans up and > it's back up in the 350+s. Then it drops rapidly back to 50mb, and flies > back up again. > > The app is not doing anything that I'd consider memory intensive. Lots of DB > queries, but none are that large memory wise. 100 rows here, 2 rows there, > but done many times each minute. > > There is no notable strain on the server (pages load fast, server load avg is > low), but I'm wondering if this is symptomatic of a memory problem/leak > somewhere, or if it's completely normal for a loaded server to be allocating > and freeing memory at such a frantic pace. -- mxAjax / CFAjax docs and other useful articles: http://www.bifrost.com.au/blog/ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| ColdFusion MX7 and Flex 2 Build sales & marketing dashboard RIAâs for your business. Upgrade now http://www.adobe.com/products/coldfusion/flex2?sdid=RVJT Archive: http://www.houseoffusion.com/groups/CF-Talk/message.cfm/messageid:280198 Subscription: http://www.houseoffusion.com/groups/CF-Talk/subscribe.cfm Unsubscribe: http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=11502.10531.4
