Changing log compression formats

  Last updated 2023-09-28

Fastly's Real-Time Log Streaming feature allows you to specify compression format and options for file-based logging endpoints. These include the Azure Blob, FTP, Google Cloud Storage, Kafka, OpenStack, Amazon S3, SFTP, Digital Ocean, and Cloud Files logging endpoints.

Available log compression formats

Although the default is to use no compression, we allow you to choose one of several compression mechanisms:

Using a different compression format

  1. Web interface
  2. API
IMPORTANT

If you're using Gzip compression, the web interface defaults to a Gzip compression level of 3 and can only be changed using the Logging API. If the Gzip compression level has been set to a value other than 3 via an API call, then that level is displayed as a read-only value.

Follow these instructions to update a file-based logging endpoint's compression format 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. You can also click Compute services or CDN services to access a list of services by type.
  3. Click Edit configuration and then select the option to clone the active version.

  4. Click Logging.

  5. Click the name of a file-based logging endpoint you want to edit.

  6. Click Advanced options near the bottom of the page.

  7. In the Compression section, select a compression format for the logging endpoint.

    Logging compression options

  8. Click Update.

  9. Click Activate to deploy your configuration changes.
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