This article is the first chapter of a concise field guide for running and supporting JVM applications, focusing on memory. The guide focuses on the most practical aspects of dealing with JVM applications, primarily server-side ones.

Write Predictable software, not Ergonomic

JVM Field Guide: Memory

The Five Whys analysis is a simple root cause investigation technique but can have trade-offs if blindly applied. This article explores the trade-offs of the approach.

The Five Lies Analysis

This post describes how we empowered our millions of users at Canva to collaborate at scale by introducing services that support bidirectional streaming using RSocket.

Enabling real-time collaboration with RSocket

This article explores the trade-offs between the allocate and allocateDirect methods in Java for allocating memory.

Indirect Effects of Allocate Direct

In this article, I explore an anti-hype opinion on service meshes and aim to provide a clearer perspective on whether they are the right solution for specific problems.

You don't need no Service Mesh

This article explores the different ways to obtain the current time in programs and the potential consequences of incorrect usage, as our intuitions and expectations of time from these clocks may lead to misleading results or catastrophic failures.

The matter of time()

The article discusses how Kotlin can create internal languages and how developers can use this feature to write powerful domain-specific languages for manipulating untyped data structures in a typed manner.

Fantastic DSLs and where to find them

This article covers the internals of Project Panama and experiments with increasing Java program performance using a pure inline assembler.

Pure assembly in the forest of Panama

This article explains how to implement a userspace file system using Java, connecting Java and native code without writing C code, to achieve maximum performance.

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