Changing log placement

  Last updated 2023-09-28

Fastly's Real-Time Log Streaming feature allows you to specify where the logging call should be placed in the generated VCL.

Available log placement options

You can choose one of the following log placement options:

  • Format Version Default puts the log statement in vcl_log if the logging endpoint is using version 2 log format. If the logging endpoint is using version 1 log format, puts the log statement in vcl_deliver.
  • None prevents the log statement from being rendered in VCL. Use this option if you intend to write a log statement manually in custom VCL.

Changing log placement

  1. Web interface
  2. API

Follow these instructions to update a logging endpoint's VCL placement using the web interface:

  1. Log in to the Fastly web interface.
  2. From the Home page, select the appropriate service. You can use the search box to search by ID, name, or domain.
  3. Click Edit configuration and then select the option to clone the active version.

  4. Click Logging.

  5. Click the name of the logging endpoint you want to edit.

  6. In the Placement section, select a placement for the logging endpoint.

    Logging placement options

  7. Click Update.

  8. Click Activate to deploy your configuration changes.
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