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Type: Task
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Resolution: Fixed
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Priority: Major - P3
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Affects Version/s: None
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Component/s: Index Maintenance
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Labels:None
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Fully Compatible
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Execution Team 2019-07-01
The UninterruptibleLockGuard here: https://github.com/mongodb/mongo/blob/4304ce376401b5213b63611d94f9fb1d938d9e39/src/mongo/db/index_builds_coordinator.cpp#L765
can be removed, as it does not affect index builds on secondaries, and must be removed to avoid deadlocks with prepared transactions and stepdown on primaries.