Howdy, I would really want this sort of feature benchmarked for memory use ;) Perhaps this is one of the reasons log4j has better performance than your current java trace kit ;)
Yoav Shapira Millennium ChemInformatics >-----Original Message----- >From: Ceki Gülcü [mailto:[EMAIL PROTECTED] >Sent: Monday, August 11, 2003 9:24 AM >To: Log4J Users List >Subject: Re: log4j: dump wrap-around buffer of all log messages > > >Yes, this is certainly possible. The SMTPAppender works in a similar >fashion. > >At 03:09 PM 8/11/2003 +0200, you wrote: >>Dear log4j users, >> >> >>Currently I'm evaluating log4j 1.2.8 to replace an other Java Trace >package >>(see http://visibleworkings.com/trace/) in our applications. Log4j's big >>advantage is its performance, but still I'm missing a feature that is >>present in the Java Trace package: the ability to dump a wrap-around >buffer >>of, let's say, the last 500 log messages in the log file. >> >>The wrap-around buffer (think of it as an array of let's say 500 log >>messages) contains at any moment, the last 500 log messages. The idea is >>that the logger has 2 log levels: one which determines what level is >present >>in the log file (or std out or whatever), another which determines at what >>level the internal wrap-around buffer is filled with messages. This way, >it >>is possible to let your application log at level INFO, while the internal >>buffer keeps all messages of level DEBUG or higher. When an exception is >>thrown, the user should have the ability to request a dump of the buffer, >>such that the more detailed DEBUG messages are also present in the log >file >>to make debugging more easy. >> >>Is this possible in log4j? If not, has anyone a workaround for this or >>should I ask for a feature request? >> >> >>Kind regards, >>Patrick Hancke >>Siemens Atea IC D BS PD2 >>tel ++32(0)14 - 25 24 27 >>fax ++32(0)14 - 25 30 25 >> >>--------------------------------------------------------------------- >>To unsubscribe, e-mail: [EMAIL PROTECTED] >>For additional commands, e-mail: [EMAIL PROTECTED] > >-- >Ceki For log4j documentation consider "The complete log4j manual" > ISBN: 2970036908 http://www.qos.ch/shop/products/clm_t.jsp > > > > >--------------------------------------------------------------------- >To unsubscribe, e-mail: [EMAIL PROTECTED] >For additional commands, e-mail: [EMAIL PROTECTED] This e-mail, including any attachments, is a confidential business communication, and may contain information that is confidential, proprietary and/or privileged. This e-mail is intended only for the individual(s) to whom it is addressed, and may not be saved, copied, printed, disclosed or used by anyone else. If you are not the(an) intended recipient, please immediately delete this e-mail from your computer system and notify the sender. Thank you. --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
