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Debugging a Wordle Bug

Shai AlmogShai Almog
Jul 31, 20225 min read

Creating tutorials for debugging is especially challenging. For our new playground we built a tutorial based on Wordle. This is the bug we created... · I...

Debugging a Wordle Bug

External Debugging Tools 4: Debug the JVM Using jhsdb

Shai AlmogShai Almog
Jul 26, 20228 min read

Need to diagnose an app, possibly in production? Weird crashes? Gc tuning? Core dump from the JVM? jhsdb is the tool you've been searching for! · Java 9...

External Debugging Tools 4: Debug the JVM Using jhsdb

Modernize Legacy Code in Production – Rebuild your Airplane Midflight without Crashing

Shai AlmogShai Almog
May 9, 202217 min read

Rewriting apps is easy. Doing it while preserving compatibility... That's a bit hard. Doing it live in production. That's the big challenge! · I spent...

Modernize Legacy Code in Production – Rebuild your Airplane Midflight without Crashing

Debugging RAM: Java Garbage Collection - Java Heap Deep Dive, Part 1

Shai AlmogShai Almog
Jan 5, 202211 min read

Java memory usage is a complex beast, in this first installment I discuss the available GCs in modern Java and how we can benchmark/tune them · There are...

Debugging RAM: Java Garbage Collection - Java Heap Deep Dive, Part 1

The Debugger Checklist – Part II

Shai AlmogShai Almog
Sep 23, 202110 min read

Practical tips for debugging the most common bugs and issues as a set of steps you can follow · In the Debuggers Checklist Part I , I introduced some of...

The Debugger Checklist – Part II