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Node Cache TTL

Last updated: 2022-08-01 14:27:32

    Overview

    You can adjust the cache period of resources on nodes to optimize the node cache, load requested resources more quickly, and remove old resources timely.

    Directions

    1. Log in to the EdgeOne console. Select Site Acceleration > Cache Configuration on the left sidebar.
    2. On the cache configuration page, select a target site and click Set in the node cache TTL** module.
    3. In the node cache TTL pop-up window, select a behavior mode and click Save.

      Parameter description:
      • Follow origin server (default configuration): The Cache-Control or Last-Modified header of the origin server will be followed.
      • No cache: Resources won't be cached on nodes.
      • Custom time: Customize the resource cache period.

    Note: The overall cache policy is as shown below:

    Note:

    Force cache: It is enabled by default. When it’s enabled, node cache TTL will take effect within the cache period you configure, even if the origin server's Cache-Control is no-cache/no-store/private. When it’s disabled, the nodes will not cache resources and follow the no-cache header, even if the origin server's Cache-Control is no-cache/no-store/private. To disable force cache, you can go to Rule Engine to customize node cache TTL rules.

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