Adobe flex logging api

I have a pretty big Adobe Flex Application. I want to put logging and before I implement I want to get some better understanding.

1. Can I enable logging when I use(from same server) and disable it for general public ?
2. how much of over head will logging cause, If I am liberal in putting l开发者_StackOverflow中文版og statements ?
3. Are there any other disadvantages of using logging in Flex Application ?

thank you

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1. Can I enable logging when I use(from same server) and disable it for general public ?

Sure, but you'll have to implement it yourself. Using an IP Address is a common approach. Using a login username / ID is another approach.

2. how much of over head will logging cause, If I am liberal in putting log statements ?

It depends what you're logging, how you're logging it, how often you log it. Taking full memory snapshots of all components is going to be a lot more resource intensive than just keeping track of the time that a user logs in.

3. Are there any other disadvantages of using logging in Flex Application ?

It will take time and resources to build a logging system; as well as time and resources to review and analyze the results.

Your question is so open ended there is no answer. If I were to ask you "How do I program?" or "What programming language should I use?" would you know where to start?