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Create and Manage Caching Rules in Rackspace CDN

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Caching rules are designed to determine how long your content should
live on the edge nodes before the origin is checked for an update. If
your content changes frequently, you might want to set up a time to live
(TTL) rule that pulls content from the origin every few minutes. If your
content does not change frequently, we suggest you set a longer TTL of
12-24 hours.

When you create multiple rules, you must order rules from least specific
to most specific.

For more information about rules, see the following sections and
Rackspace CDN edge
rules.

After you create your service, you enter caching rules in the Caching
Rules section of the CDN service page.

Create a caching rule

After you have created your service, follow these steps to create a
caching rule:

  1. Click Add Rule.

    A popup dialog box appears.

  2. Enter the following information to define the rule:

    • Name: Name for the rule.
    • TTL: The TTL to wait before the origin is checked for updates.
      Enter a value, and then select seconds, minutes, hours, or days as
      the unit for the TTL.
    • Path: Path for the rule.

  3. Click Save Rule.

The Service Status is Pending until the new rule is deployed. After the rule is deployed, it is displayed in the Caching Rules list.

Edit a caching rule

To edit a caching rule, follow these steps:

  1. Click the gear icon beside the rule that you want to edit, and select
    Edit Rule.

  2. Edit the name, the TTL, or the path for the rule.

  3. Click Save Rule.

The Service Status is Pending until the
updated rule is deployed. After the rule is deployed, it is displayed in
the Caching Rules list.

Delete a caching rule

To delete a caching rule, follow these steps:

  1. Click the gear icon beside the rule that you want to delete, and
    select Delete Rule.

  2. In the popup dialog box, click Delete Rule.

The Service Status is Pending until the caching rule is deleted.
After the rule is deleted, it is removed from the Caching Rules
list.

Additional resources

Updated 12 months ago