Hi Bill, in this theme of normal behavior, maybe this would make what i'm asking more clear.

in an exercise of thought, if you wrote an app, and the only thing it did was put up a window permanently (for the run of it's process life), with a single webview in it, and hardwired a load of any particular website you wished that had any substance to load in that webview... and then put in a trigger to simply reload that same website every 20 seconds... and that was it, no number crunching, or extra processes, or UI.

if you had to guess, if you looked in activity monitor, do you think this thought experiment would use disk IO every 20 seconds?

thanks,
Jon.


On Oct 10, 2009, at 11:03 AM, Bill Bumgarner wrote:

2) if there is a persistent cache -- a web cache, perhaps? -- it may be updated, causing I/O

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