High-Concurrency HTTP Clients on the JVM

HTTP is probably the most popular application-level protocol and there are many libraries that implement it on top of network…

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What is promotion rate?

I do believe you are familiar with the Peter principle. In general, the principle is an observation that promotions can…

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What is allocation rate?

Phrases such as “unsustainable allocation rate” and “you need to keep your allocation rates low” seem to belong to the…

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Turin Programming Language for the JVM: building advanced lexers with ANTLR

As I wrote in my last post, I recently started working on a new programming language named Turin. A working compiler for…

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Chronicle Journal – Customizable Data Store

Overview The way to make any data structure or algorithm as fast as possible is for the code to do…

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Stack smashing detected

 I bet every Java developer has been surprised at some point in the beginning of their career when they first…

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An Unexpected Allocation – JIT Compilation Jitter

Whilst working on ByteWatcher (see my last post) I came across something rather strange. This is the actual code snippet…

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Squeezing data into the data structure

This story is about a capacity optimization task that we recently carried out at Plumbr. It all started with an innocent-looking…

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What is the fastest Garbage Collector in Java 8?

OpenJDK 8 has several Garbage Collector algorithms, such as Parallel GC, CMS and G1. Which one is the fastest? What…

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