@@ -3,10 +3,10 @@
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'@backstage/plugin-tech-insights-node': patch
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---
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Adds a configuration option to fact retrievers to define lifecycle for facts the retriever persists. Possible values are either 'items-to-live' or 'time-to-live'. The former will only n number of items in to the database for each fact per entity. The latter will remove all facts that are older than the TTL value.
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Adds a configuration option to fact retrievers to define lifecycle for facts the retriever persists. Possible values are either 'items-to-live' or 'time-to-live'. The former will keep only n number of items in to the database for each fact per entity. The latter will remove all facts that are older than the TTL value.
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Possible values:
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- { itl: 5 } // Deletes all facts for the retriever/entity pair, apart from the last five
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- { ttl: 1209600000 } // (2 weeks) Deletes all facts older than 2 weeks for the retriever/entity pair
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- { ttl: { weeks: 2 } } // Deletes all facts older than 2 weeks for the retriever/entity pair
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- `{ itl: 5 }` // Deletes all facts for the retriever/entity pair, apart from the last five
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- `{ ttl: 1209600000 }` // (2 weeks) Deletes all facts older than 2 weeks for the retriever/entity pair
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- `{ ttl: { weeks: 2 } }` // Deletes all facts older than 2 weeks for the retriever/entity pair
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@@ -91,7 +91,7 @@ const myFactRetrieverRegistration = createFactRetrieverRegistration(
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);
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```
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FactRetrieverRegistration also accepts an optional `lifecycle` configuration value. This can be either ITL (items to live) or TTL (time to live). Valid options for this value are either a number for itl or a Luxon duration like object for ttl. For example:
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FactRetrieverRegistration also accepts an optional `lifecycle` configuration value. This can be either ITL (items to live) or TTL (time to live). Valid options for this value are either a number for ITL or a Luxon duration like object for TTL. For example:
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```ts
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const itl = { itl: 7 }; // Deletes all but 7 latest facts for each id/entity pair
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