Simon Willison’s Weblog

Heap Dump Analysis. Using jmap to dump the JVM’s memory to disk, then analysing it using the visualvm GUI tool.

Posted 2nd April 2009 at 10:34 am

Recent articles

Phoenix.new is Fly's entry into the prompt-driven app development space - 23rd June 2025
Trying out the new Gemini 2.5 model family - 17th June 2025
The lethal trifecta for AI agents: private data, untrusted content, and external communication - 16th June 2025

dominic-mitchell 2 heapdump 1 java 89 jvm 4 memory 6 profiling 13 visualvm 1

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