thanks for the heads up. I'll let the powers that be know. On Sat, Feb 27, 2010 at 4:37 PM, Judah McAuley <[email protected]> wrote: > > On Sat, Feb 27, 2010 at 1:30 PM, Larry C. Lyons <[email protected]> wrote: >> >> We're in the process of upgrading to CF9. At the same time we're >> upgrading a bunch of apps from antique spaghetti code to Coldbox or >> CFWheels and web standards. > > I love love love Coldbox. I've never been happier with a framework. > Just love it. > >> So far so good. On our test server with CF 9 the upgrade so far has >> had no problems. > > Just so you are aware, some old version of Coldbox (pre 2.6.4) had > compatibility issues with CF 9, mainly because of the way that CF9 > brought in the Local scope. > >> Next thing the boss wants to do is move all our Dev, Test and QA >> environments to virtual machines. > > I generally agree with this *BUT* one huge caveat that bit me in the > ass is that virtual machines are almost always single processor, not > hyperthreaded. Why does that matter? I had an app that turned out to > have an unscoped variable in a method of a singleton and so was not > thread safe. This never came up in any of our testing because we were > testing on VMs and the lack of multiple cores prevented the race > condition from presenting itself. Consequently, we only found this > condition in production on our quad-core server. Fortunately, it > wasn't too difficult to trace the problem down, but then we had to > find a physical box we could appropriate, wipe it, do a whole > install/setup, recreate the condition and then show that the fix > really did fix it. > > We'll still do our QA on virtual machines, but I'm demanding that we > have a physical box to do load testing on before we put new apps into > production to catch issues like that. > > Judah > >
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