Rules let you filter specific user requests to control cache reserve behavior. For example, you can bypass cache reserve for high-hit-rate resources to conserve storage, or enable cache reserve for specific requests to reduce origin server load.
Prerequisites
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Upgraded to the Enterprise plan.
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Cache reserve is enabled and a cache reserve instance is purchased. For more information, see Cache reserve.
Procedure
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In the ESA console, choose Website Management, and click the target website in the Website column.
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In the left-side navigation pane, choose .
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Click Create Rule and enter a Rule Name.
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In the If requests match... section, set the match conditions. For more information about how to configure a rule, see Rule expression components.
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In the Cache Eligibility section, specify whether to bypass cache. For more information, see Cache eligibility.
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In the Cache Reserve Eligibility section, click Settings and select a cache reserve policy.
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Bypass Cache Reserve: Matching requests bypass cache reserve and are sent directly to the origin server.
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Eligible for Cache Reserve: Directs matching requests to cache reserve, reducing the number of origin requests.
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Click OK.
Availability by plan
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Free |
Basic |
Standard |
Advanced |
Enterprise |
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Related documentation
Rule-related features vary in effective priority, reentrancy, and effective granularity. For details, see Properties of Rule-Related Features.