performance « log4j « Java Enterprise Q&A





1. Log4J - Speed of resolving class/method/line references    stackoverflow.com

Does log4J still gather the class, method and line numbers by generating exceptions and inspecting the stack trace? Or has Java been optimized since Sun included their own logging framework. If not, why ...

2. In log4j, does checking isDebugEnabled before logging improve performance?    stackoverflow.com

I am using Log4J in my application for logging. Previously I was using debug call like: Option 1:

logger.debug("some debug text");
but some links suggest that it is better to check isDebugEnabled() first, like: ...

3. Performance and Functioanlity Difference between log4j and Logging Util class    stackoverflow.com

I am newbie for the logging class in Java.util package, I have developed an Application and want to implement the logging mechanism at different levels, I am just thinking to which ...

4. Is it possible to use perf4j without log4j?    stackoverflow.com

I'm writing a library and would like to use perf4j mainly to expose JMX performance counters.
According to the instructions here http://perf4j.codehaus.org/devguide.html perf4j is meant to be used in conjunction ...

5. Make graph of perf4j on the basis of request and maintain every day request performance    stackoverflow.com

I want to make graph of perf4j on the basis of request and not on the basis of timeslice as shown when graph drawn for perf4j. How can the graph be ...

6. Perf4j Not Logging Correctly    stackoverflow.com

I setup some stop watch calls in my code to measure some code blocks and all the messages are going into my primary log and not into the timing log. The ...

7. Which logger framework in java shall one use based on performance and consistency criterion?    stackoverflow.com

Which logger framework in java shall one use based on performance and consistency criterion? I need to use it in highly concurrent application and do not wish to use any log wrappers. Please ...

8. log4j performance    stackoverflow.com

I'm developing a web app, and I'd like to log some information to help me improve and observe the app. (I'm using Tomcat6) First I thought I would use StringBuilders, append the ...

9. Multiple files with Log4j    stackoverflow.com

I'm using log4j to log several informations. I'd like to separate these infos into multiple files. My configuration file is similar to this:

      #logger_1
    ...





10. How to write caller location information in a log file using Java, without hurting performance?    stackoverflow.com

How can I write caller location information (Java source file and line), in a log file using Java and log4j, but without hurting performance? log4j allow you to write such information in ...

11. Log4j DailyRollingFileAppender vs ConsoleAppender performance    stackoverflow.com

We're using Log4j v1.2.14. We're already using org.apache.log4j.ConsoleAppender and now we've a requirement/need to have daily rotating logs in place. Hence, we're planning to use ...

12. Exactly how slow are C, F, L, l and M of PatternLayout (log4j)?    stackoverflow.com

It's common knowledge that C, F, L, l and M of PatternLayout are slow:

WARNING Generating caller location information is extremely slow and should be avoided unless execution ...

13. Are there any performance overheads using slf4j with log4j vs using log4j alone?    stackoverflow.com

I am thinking off migrating a java 1.4.2 project from log4j to slf4j. It is the advantage of parameterised logging and the code clarity (no need if log.isdebug..) That is drawing ...

14. Java: MentaLog logging library performance and feedback    stackoverflow.com

I've stumbled over a new logging library called MentaLog. The name is weird but it looks like there are some interesting features not supported by log4j/logback, like

15. Log4j performance problems with Netbeans Platform 6.7    forums.netbeans.org

Hi, I've recently created a new Netbeans Platform application with a simple module and a library wrapper (log4j). The module executes this code : RequestProcessor.getDefault().post(new Runnable() { public void run() { ...

16. Log4j performance problems with Netbeans Platform 6.7    forums.netbeans.org

I couldn't get to your files because it prompted me for authentication credentials. That's probably for the best anyway since I am pressed for time today. Since I use a lot ...