Core Java
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sun.misc.Unsafe and off heap memory
The class sun.misc.Unsafe allows you to many of the things you shouldn’t be able to do in Java, but are…
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How to estimate memory consumption?
This story goes back at least a decade, when I was first approached by a PHB with a question “How…
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Java 8 Friday Goodies: Lambdas and XML
At Data Geekery, we love Java. And as we’re really into jOOQ’s fluent API and query DSL, we’re absolutely thrilled…
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Java 8 Friday Goodies: java.io finally rocks!
At Data Geekery, we love Java. And as we’re really into jOOQ’s fluent API and query DSL, we’re absolutely thrilled…
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GC impact on throughput and latency
One type of the problems each and every Java application out there has to wrestle with is related to garbage…
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Learning about bitmaps
A few weeks ago Alistair and I were working on the code used to model the labels that a node…
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Oracle ships Java 8
Oracle has decided to ship upgrade to JDK (Java Development Kit) 8 on March 18, even though the new release…
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Post-hoc tracing using a debugger
Once nice little features of most debuggers that I have been exercising recently is the ability to log information on…
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Java vs. Native Agents – The Powerful Things They Do
What you should know before installing an agent, and how it affects your code When building a scalable server-side application…
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