DRIVERS-3274 Send afterClusterTime on writes in causally-consistent sessions.#1930
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matthewdale wants to merge 4 commits intomongodb:masterfrom
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DRIVERS-3274 Send afterClusterTime on writes in causally-consistent sessions.#1930matthewdale wants to merge 4 commits intomongodb:masterfrom
matthewdale wants to merge 4 commits intomongodb:masterfrom
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sanych-sun
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May 4, 2026
| `operationTime` in the `ClientSession` whether the operation succeeded or not. | ||
| 2. Passing that `operationTime` in the `afterClusterTime` field of the `readConcern` field for subsequent causally | ||
| consistent read operations (for all commands that support a `readConcern`) | ||
| consistent read and write operations (for all commands that support a `readConcern`) |
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Should we specify list of commands here to avoid any confusion?
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Yes, I'll update the list in "Read Write Concern", which "Causal Consistency" links to.
…kWrite to the description of write commands.
matthewdale
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@sanych-sun Could you link the C# implementation draft / CI for tests? |
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DRIVERS-3274
Updates the Causal Consistency spec to require that
afterClusterTimeis sent on write commands (insert,update,delete,findAndModify,bulkWrite) in causally-consistent sessions. Previously,afterClusterTimewas only sent on read commands. It updates the spec prose, adds two new unified test files, and updates the Read Write Concern spec to list write commands that acceptreadConcern.Please complete the following before merging:
clusters).