Simon Willison’s Weblog

2nd April 2009 - Link Blog

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

Notes on the xAI/Anthropic data center deal - 7th May 2026
Live blog: Code w/ Claude 2026 - 6th May 2026
Vibe coding and agentic engineering are getting closer than I'd like - 6th May 2026

This is a link post by Simon Willison, posted on 2nd April 2009.

dominic-mitchell 2 heapdump 1 java 91 jvm 4 memory 6 profiling 13 visualvm 1

Monthly briefing

Sponsor me for $10/month and get a curated email digest of the month's most important LLM developments.

Pay me to send you less!

Sponsor & subscribe