Long time for first pre-expand operation for large value set #7284
Description
Describe the issue
The pre expansion of larger ValueSets happens only after 10 minutes after startup.
Is it such an expensive operation?
Is there any reason it is implemented like this? In additional context I linked the code that I believe is the reason for this.
Would something break if this schedule was configurable?
I could implement this if it would be fine for it to be configurable.
Environment (please complete the following information):
- HAPI FHIR Version 8.4.0
- OS: linux (docker container)
- Browser N/A
Additional context
Code that I think is relevant here:
https://github.com/hapifhir/hapi-fhir/blob/eaa02d19dd7d979a9122bba862f4ffed1e6b99bb/hapi-fhir-jpaserver-base/src/main/java/ca/uhn/fhir/jpa/term/TermReadSvcImpl.java#L2449C2-L2456C3