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Last tested: May 14, 2020
Looker has a feature that will fetch results from the cache if they existed before the page has fully loaded. If the cache only
check does not find any results, we’ll mark that as a cache_only_miss
.
If we do find things in the cache there will be a complete
record with a results_source of cache.
If there is a miss (cache only miss) the queries will be executed again (without the cache only
requirement) and the queries will be run from the database.
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