SERVER-62554 implements a first version of orphans tracking in the `collStats` output returning the sum of all orphans counters from range deletion task documents for a given collection.
Objective of this ticket is to retrieve such information from the BalancerStatisticsRegistry instead of always performing a local query.
- depends on
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SERVER-64162 Initialize/destroy BalancerStatsRegistry upon upgrade/downgrade to 6.0
- Closed
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SERVER-64198 Observer updating per-collection orphaned documents counters
- Closed
- is related to
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SERVER-67518 Aggregate metric value continually increments when no aggregates are run
- Closed