Add a caching layer to scrapers #86
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isaacseymour
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Apr 21, 2021
isaacseymour
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- first separate the Exporter from the ExporterRun, so that we can only instantiate the Exporter once, and then instantiate a fresh ExporterRun on each scrape (which has the http request context, and the Exporter)
- then add a caching scraper, which stores the last seen values (per database) in a slice, and returns that if the TTL hasn't passed yet
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