Another reason why I want to switch out Transfer's cache with a pluggable caching architecture.
That way if you don't like how the cache works (for whatever reason), you can change it, or replace it. Mark On Tue, Sep 29, 2009 at 12:52 AM, Elliott Sprehn <[email protected]> wrote: > > I've seen something similar on my laptop but I've never been able to > repo it reliably. > > Every once in a while JRun shoots to 100% CPU usage and my fans kick > in and it stays there indefinitely until I kill the process. It seems > to happen most often when waking the machine from sleep. > > It's a pretty rare occurrence so I've not looked into it too much, but > perhaps Transfer's cache management thread has a bug in it. That'd > explain why CF7 would work, since it doesn't use a separate thread. > > On Sep 22, 2:05 pm, Clint <[email protected]> wrote: > > it was never very long before the app server's CPU would be pegged at > > 100%. A few times this happened we were able to peek under the hood > > with Adobe's Server Monitor app. We saw at least one long running > > thread during these times referencing Transfer's > > SoftReferenceHandler. > > Upon further investigation, we realized that after the app started > > up, > > under no load whatsoever the CPU usage would be 25%, 50%, 75%, or > > 100% > > (notable b/c this is a 4 core machine). As best as I can tell, the > > long running thread I observed was completely monopolizing the core > > on > > which it was running, preventing the application from serving any > > other requests. > > > > After we rolled back to CF7 for current production, we provisioned a > > Windows 2003 VM on Amazon EC2 and installed CF8 and our application. > > We were not able to reproduce the problem that we described, and the > > performance was more or less as we expected on 8 (reasonably fast > > considering the minimal CPU power dedicated on the "smallest" EC2 > > instance). > > > -- E: [email protected] T: http://www.twitter.com/neurotic W: www.compoundtheory.com --~--~---------~--~----~------------~-------~--~----~ Before posting questions to the group please read: http://groups.google.com/group/transfer-dev/web/how-to-ask-support-questions-on-transfer You received this message because you are subscribed to the Google Groups "transfer-dev" 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/transfer-dev?hl=en -~----------~----~----~----~------~----~------~--~---
