node package manager


Performance profiling of CAF

CAF (Cloud Assistant Framework)

Co-design permanent, active, stateful, reliable cloud proxies with your web app.


Library to profile the performance of your app.

It measures latency, throughput, and queue length for CA requests.

For an app called root-helloworld access performance data with:


and an example reply is:



  • requests Number of of messages received.
  • pending Number of requests queued.
  • duration Latency time (in microseconds) to process your requests. See the metrics package for details.
  • rate Number of requests processed per second. Averages over a moving window (1min, 5min, 15 min) using exponential decay. See the metrics package for details.

See {@link module:caf_profiler/plug_profiler}