Performance
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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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Core Java
Arrays.sort versus Arrays.parallelSort
We all have used Arrays.sort to sort objects and primitive arrays. This API used merge sort OR Tim Sort underneath…
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