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Implement roaring bitmaps for historical data collection #45715

@sgress454

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@sgress454

Related user story

#45163

Task

Replace current dense bitmap implementation with roaring bitmaps, which compress bitmap data using various strategies.

Condition of satisfaction

  • All newly collected data should be stored in roaring bitmap format
  • Existing dense bitmap data should still be readable, and chart processors should still work with it

NOT in this stage

  • Transforming existing dense bitmaps to roaring form
  • Other optimizations to come (e.g. optimized bucketing, skipping the query to get tracked CVEs in chart API)

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    #g-first-impressionsFirst impressions working group~sub-taskA technical sub-task that is part of a story. (Not QA'd. Not estimated.)

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