> I tried to use this filter for limiting number of errors sent to
> production support. but, without a time duration, it is not
> practical, because if i set the repetition limit to 3, for example, it will be never logged again.
> this is not good since i won't be able to tell whether this is caused
> by the problem being gone or by the filtering. it would be more
> useful, for my purpose at least, to have some property specifiying
> some time window. For example, drop logging if within 1 hour a message
> have been repeated more than 3 times. this will limit the number of
> repeated messages, but also keep throwing them to indicate the continued existence of the error.