- Property Manager name: Scheduled Invalidation
- Behavior version: The
v2024-05-31
rule format supports theschedule_invalidation
behavior v1.2. - Rule format status: GA, stable
- Access: Read/Write
- Allowed in includes: Yes
Specifies when cached content that satisfies a rule's criteria expires, optionally at repeating intervals. In addition to periodic cache flushes, you can use this behavior to minimize potential conflicts when related objects expire at different times.
Warning. scheduled invalidations can significantly increase origin servers' load when matching content expires simultaneously across all edge servers. As best practice, schedule expirations during periods of lowest traffic.
Option | Type | Description | Requires | |
---|---|---|---|---|
start | string (timestamp) | The UTC date and time when matching cached content is to expire. | {"displayType":"string","tag":"input","type":"datetime-local"} | |
repeat | boolean | When enabled, invalidation recurs periodically from the | {"displayType":"boolean","tag":"input","type":"checkbox"} | |
repeat_interval | string (duration) | Specifies how often to invalidate content from the | repeat is true | {"displayType":"string","tag":"input","type":"text"} {"if":{"attribute":"repeat","op":"eq","value":true}} |
refresh_method | enum | Specifies how to invalidate the content. | {"displayType":"enum","options":["INVALIDATE","PURGE"],"tag":"select"} | |
INVALIDATE | Sends an | |||
PURGE | Re-caches content regardless of its freshness, potentially creating more traffic at the origin. |