The newest version says its only for Java 1. The following code will use JAMon as a proxy to track performance, but uses the underlying driver to perform the queris The example uses Sybase, but any vendors driver would do. There are modules that automatically monitor: This can lead the way to detecting problem tables. Track page execution times, status codes, bytes sent, exceptions thrown and more.
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We can help make your Java application run faster and trouble-shoot concurrency and performance bugs So all you need to do is start your application with -Djdbc.
Monitoring SQL and JDBC calls
While not open source, here is a really nice free one. I would like to monitor the connections to get statistics about how fast each query is executed.
The code is really simple. Ah ok, totally missed getRealConnectionsorry, but if I call it, it doesn’t log any LOB handling queries, obviously. I actually hit a limitation with this: The bottleneck here is then of course not the database, but rather, the network going to the database. Inside the udbc class there will be a static initializer block that is executed when it is loaded for the first time.
You will have to put your own JDBC connection settings in there to test it. One of the jdcb powerful aspects of JAMon 2.
De-Serialization creates objects without calling constructors. Site below has lists of tools monitoring JBoss: First off, we do not want to change code. All that you need to do is use their JDBC driver, point it prixy your driver, and you’re done. ConnectionSpy cannot be cast to org. I managed to set up the logging, but still have two problems: When you load these comments, you’ll be connected to Disqus.
It is sometimes quite useful to know how long a database statement takes to complete and how frequently it is called. Note JAMon simply sits in front of the the real JDBC driver jamonrealdriver intercepts calls and then reroutes the calls to the real driver. jddbc
monitoring sql’s using JAMon (Performance forum at Coderanch)
The name of the class is then duplicated in the class, both in the class definition and in the logger field jdbcc, since the class is for some reason not available from a static context.
Plus, it doesn’t include enough details for example: No further code changes or config changes are necessary. They do provide a bunch of JSP pages that you can hide somewhere in your admin section of your website. When we call DriverManager.
Go to original post. You can also look at jddbc most N recent query that was thrown. Another option is to start a thread in the constructor of the SneakerDriver that periodically writes the stats to a logfile.
The first 6 weeks was spent running around from department to department. I’ve extensively used Log4jdbc and it works pretty well. Distributed Application Monitoring – View all the data from your organizations applications from a central monitoring web application the JAMon web application. This can lead the way to detecting problem tables. Another big mistake is to distribute similar setup information throughout your application, making it really hard to find all the places should you wish to change.
A funny story was when we wanted to get a tax number. JAMon has a very liberal license.