memory leaks Archive

APM vs NPM. Round One.

Another three-letter acronym I see frequently mixed in with APM is NPM which stands for Network Performance Management. At first glance they look very similar. The distinction appears very subtle with just a one letter difference, but it speaks volumes because their core technologies and approaches to monitoring application performance are fundamentally different. ...Read More

Troubleshooting OutOfMemory Exceptions and Memory Leaks in Production

Many root causes ago I was working with a customer who suspected they had a memory leak in production. Their JVM console event logs were showing the famous OutOfMemory exception and these were being thrown periodically every three to four days causing production outages. To stop these exceptions, the operations team would ...Read More

A Holiday Greeting in Verse

‘Twas nearly 2011, a brand-new year But app owners stared sadly at their beer. They had a problem, and it seemed just enormous They craved a surefire solution to application performance. ...Read More

APM for the Non-Java Guru: What leak?

Memory, Memory, Memory…   Memory is a critical part of Java, in particular, the management of memory. As a developer, memory management is not something you want to be doing on a regular basis, nor is it something you want to do manually. One of the great benefits of Java is its ...Read More
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