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Warning!

Puhti scratch disk is becoming very full (80+ % ) resulting in performance degradation. Everybody is advised to only keep actively processed data on scratch, all other data should be deleted, transferred to host institute or stored in Lumi-O. No new quota will be granted. Click here for tips on data management.

VS Code Remote-SSH plugin gives out-of-memory error when connecting to CSC supercomputers

Connecting to CSC supercomputers using VS Code versions 1.101 and later may fail with error Out of memory: Cannot allocate Wasm memory for new instance. There are three workarounds to avoid this issue:

  1. Add to your .bashrc file on CSC supercomputers the line export NODE_OPTIONS="--disable-wasm-trap-handler", or
  2. increase login node virtual memory limit by adding the line ulimit -v "$(ulimit -Hv)" to your .bashrc file on CSC supercomputers, or
  3. downgrade your VS Code version to 1.100.