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From "James Stauffer" <stauffer.ja...@gmail.com>
Subject Re: Log4j for manually selecting and monitoring signalling flows
Date Fri, 24 Mar 2006 15:58:42 GMT
>  - Can logging be turned on/off in runtime?
Yes.
>  - Can the Logger hierarchy in log4j be mapped to a runtime object
> instance and its object hierarchy to log or is the Logger hierarchy
> class-oriented?
Yes, it isn't tied to the class hierarchy but that is how it is usually used.

>  - The 5 loglevels (INFO, WARN etc) seem fixed, but would it be hard to
> add another mechanism for our own loglevels for filtering.
Custom levels can be added but I don't know them well enough to know
how well they would work for you.

On 3/24/06, Henrik Leion XA (LI/EAB) <henrik.xa.leion@ericsson.com> wrote:
> Hello
> I'm developing a simulator tool that creates a lot of state-machines
> that performs network signalling and I need a flexible way to monitor
> these state-machines, is log4J something I can use? Simulations can
> scale up to 15000 messages per second and run for several days.
>
> Because of the monstrous scale logging everything and filtering
> afterwards is not possible. I want the user to be able to do stuff like
> "log state-machine X" or "log all state-machines owned by object Y" and
> also be able to have custom loglevels so that only certain parts of the
> state-machines are printed to log.
>
> The questions:
>  - Can logging be turned on/off in runtime?
>  - Can the Logger hierarchy in log4j be mapped to a runtime object
> instance and its object hierarchy to log or is the Logger hierarchy
> class-oriented?
>  - The 5 loglevels (INFO, WARN etc) seem fixed, but would it be hard to
> add another mechanism for our own loglevels for filtering.
>
>
> Many thanks,
> Henrik Leion
>
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--
James Stauffer
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