It seems node-red has a single-threaded execution engine, see: https://discourse.nodered.org/t/node-red-performance-benchmark/43072 https://discourse.nodered.or

It seems node-red has a single-threaded execution engine, see: https://discourse.nodered.org/t/node-red-performance-benchmark/43072 https://discourse.nodered.org/t/node-red-performance-benchma... However this iWF can execute flows in parallel: "Parallel execution of multiple threads of business".