[logback-user] executing configuration changes

Ralph Goers rgoers at apache.org
Wed Jan 19 15:54:36 CET 2011

1. We wrote a servlet filter that inspects the configuration periodically and resets the configuration if the file has changed. When running as a web app this will incur less overhead than the turbo filter.
2. The architecture of Logback is such that when a reconfigure occurs all the filters and appenders are removed first so it is almost guaranteed that events will be lost during a reconfiguration.  I've been working on Log4J 2.0 which was designed to not have this design defect.


On Jan 19, 2011, at 12:53 AM, Lars Fischer wrote:

> Hello,
> I'm investigating slf4j + logback, if it solves my requirements:
> I need to change the logging configuration during application runtime
> and read the documentation about the config file scan.
> Can this reconfiguration be done by my self without using the scan?
> More precisely: can I add and remove an own TurboFilter during runtime
> from my program code?
> How about logging events fired while applying these changes? Is it
> guaranteed, that no event will be lost?
> Best regards,
> Lars
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