build1 publisher
DocumentDB 0.116 adds a $group distinct scan that reads one index entry per value
DocumentDB 0.116 lets a $group on PostgreSQL jump between distinct index values, so 100 groups over 50,000 entries need only 100 index reads. The saving scales with rows per value, and the published test had 500 per value with the feature switched on by flag.
Publishers:dev.to
Reality
- Evidence50
- Adoption
- Insufficient
- Hype gap+10
- Incentives
- Insufficient
- Confidence55