Draft: Memoize #status_of_jobs in StatusCollection
What does this MR do and why?
Status calculations for DAG dependencies in the pipeline processing code
was not memoized. This could lead to significant recalculations (but no
database queries), which could add up if many jobs share the same set of
needs
.
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How to set up and validate locally
Numbered steps to set up and validate the change are strongly suggested.
MR acceptance checklist
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Edited by Hordur Freyr Yngvason