time.start.usec_frac

STRING, read-only.

Available in all subroutines.

The time the request started in microseconds since the last whole second, after TLS termination.

Try it out

time.start.usec_frac is used in the following solution recipes. Recipes apply VCL to real-world use cases and can be deployed as-is, or adapted for your own service. See the full list of recipes for more inspiration.

Click RUN on a sample below to provision a Fastly service, execute the code on Fastly, and see how the function behaves.

Comprehensive logging

Fastly offers a myriad of different variables that you can log. See and test a large collection here.