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Julie Stalley, Runtime tooling developer
Visualising your garbage
collection for Node.js
Run your Node.js application with an extra parameter and send the
output to a file
--trace_gc
Specify additional trace options for more detailed information
--trace_gc_nvp or --trace_gc_verbose
> node --trace_gc --trace_gc_nvp > output.txt
Step 1: Gather the garbage
collection data
Install GCMV into your eclipse workbench
- Search for 'GCMV' in the Eclipse Marketplace
Step 2: Get Garbage Collection
and Memory Visualizer
File->Load File...output.txt
Step 3: Load the data into GCMV
Use the data selector to pick
which items you want to visualize
Step 4: Explore the data
Visualising your garbage collection for Node.js
Visualising your garbage collection for Node.js

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Visualising your garbage collection for Node.js

  • 1. Julie Stalley, Runtime tooling developer Visualising your garbage collection for Node.js
  • 2. Run your Node.js application with an extra parameter and send the output to a file --trace_gc Specify additional trace options for more detailed information --trace_gc_nvp or --trace_gc_verbose > node --trace_gc --trace_gc_nvp > output.txt Step 1: Gather the garbage collection data
  • 3. Install GCMV into your eclipse workbench - Search for 'GCMV' in the Eclipse Marketplace Step 2: Get Garbage Collection and Memory Visualizer
  • 4. File->Load File...output.txt Step 3: Load the data into GCMV
  • 5. Use the data selector to pick which items you want to visualize Step 4: Explore the data