client.socket.tcpi_delivery_rate

INTEGER, read-only.

Available inrecvdeliverlogerror

The recent effective delivery bandwidth of the connection towards the client in bytes per second. This gives a reasonable estimate of current connection performance by excluding periods when the connection was idle due to lack of application data to send.

Try it out

client.socket.tcpi_delivery_rate is used in the following code examples. Examples apply VCL to real-world use cases and can be deployed as they are, or adapted for your own service. See the full list of code examples 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.

User contributed notes

BETA

Do you see an error in this page? Do you have an interesting use case, example or edge case people should know about? Share your knowledge and help people who are reading this page! (Comments are moderated; for support, please contact Fastly support)