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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: 8.0 Required
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Component/s: None
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Query Execution
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Fully Compatible
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v8.0, v7.0
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QE 2026-01-19, QE 2025-12-08
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Backporting SERVER-104405 (on 8.0 & 7.0) is too complex.
Instead, for 7.0 & 8.0 (and only those versions), introduce a new CursorResponseBsonSize limit of 16MB+32KB (either in general or limited specifically to oplog cursors).
This has the advantages of being simpler and the lowest risk solution, because:
- It shouldn't break any user writes.
- From the query side, the batch building code will stop adding new documents after we reach or exceed 16MB anyway.
- related to
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SERVER-53387 Large internal metadata can trigger BSONObjectTooLarge for commands under the BSON size limit
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- Backlog
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- Closed
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