Hello, If you are worried about performance you can use the org.apache.log4j.AsyncAppender. This will writes to the log file asynchronous. You can define your buffer size in log4j.xml. You must define the AsyncAppender in xml format this cannot be done in the .properties format. Also if you use this one make sure you call LogManager.shutdown() at application shutdown so the last lines are flushed to the log file.
Joined: Jan 21, 2004
Lars, Thanks a lot ! 1. If AsyncAppender is not used, then how log4J writes log event to the file ? It uses any default buffer or It writes one by one event message in log file, I mean one even message = one I/O ???
2 If we use AsyncAppender and setBufferSize(int size). And Configure Buffer size in log4j.xml. If set value in setBufferSize(int size) is less than Buffer size in log4j.xml ??? How both are related and what would be the optimum guidlines ??? (default buffer size is set to 128 events)
3. Also I would like to know the actual / practical way to diffrentiate the FATAL, ERROR,INFO. Is realy FATAL should be used for Business related error ??
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