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

The last six months in LLMs, illustrated by pelicans on bicycles - 6th June 2025
Tips on prompting ChatGPT for UK technology secretary Peter Kyle - 3rd June 2025
How often do LLMs snitch? Recreating Theo's SnitchBench with LLM - 31st May 2025

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

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