Performance
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Enterprise Java
Batch Writing, and Dynamic vs Parametrized SQL, how well does your database perform?
One of the most effective database optimizations is batch writing. Batch writing is supported by most modern databases and part…
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Core Java
Java 7 vs Groovy 2.1 Performance Comparison
I haven’t used Groovy for 2 years, since my last touch with Grails. I get stuck in (hard)core Enterprise Java,…
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DevOps
Performance tests for slow networks with tc
tl;dr: you can easily replicate slow network conditions which makes it easier to performance test them. Smartphones have made both…
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Core Java
ArrayList Using Memory Mapped File
Introduction In-Memory computing is picking up due to affordable hardware, most of the data is kept in RAM to meet…
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Core Java
C++ like Java for low latency
Overview Previously I wrote an article on C like Java. This is term I had come across before. However, on…
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Core Java
Reducing memory consumption by 20x
This is going to be another story sharing our recent experience with memory-related problems. The case is extracted from a…
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Core Java
JVM Performance Magic Tricks
HotSpot, the JVM we all know and love, is the brain in which our Java and Scala juices flow. Over…
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DevOps
Improve Performance by caching and compression
Web page designs are becoming innovative with rich interface which involve extra code such as java scripts, css, and images…
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Core Java
HotSpot GC Thread CPU footprint on Linux
The following question will test your knowledge on garbage collection and high CPU troubleshooting for Java applications running on Linux…
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