As per this comment, it is safe for the resharding donor oplog iterator to briefly read from a secondary with no timestamp.
- is related to
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SERVER-59775 ReshardingDonorOplogIterator triggers an fassert() when it continues to run in member state SECONDARY following a stepdown
- Closed
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SERVER-79399 Remove ShouldNotConflictWithSecondaryBatchApplicationBlock and related functions
- Closed
- related to
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SERVER-79955 Need a more complete mechanism for internal readers to avoid fassert when crossing member state PRIMARY to SECONDARY transition
- Closed