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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: Aggregation Framework
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Minor Change
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Query 2020-02-10, Query 2020-02-24
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- This work should be based on top of the changes from
SERVER-45838. - ReplicaSetNodeProcessInterface should behave identically to StandaloneProcessInterface for now; subsequent work will be done to introduce special behavior for RSNodeInterface.
- This ticket will also involve creating StandaloneProcessInterface as a sibling of ReplicaSetNodeProcessInterface in the inheritance hierarchy.
- The process interface factory should be changed under this ticket to hand out instances of the ReplicaSetNodeProcessInterface only if a few conditions are met:
- The node is a member of a replica set but not a shardsvr. The POC proposes inferring this based on the presence of the new TaskExecutor on the ServiceContext.
- enableTestCommands is set. This will have the effect of flag-guard the $merge/$out on secondaries feature into it is in a shippable state.
- We can worry about attaching the right egress hooks in a subsequent ticket. Getting a basic version of the ReplicaSetNodeProcessInterface in place quickly will enable better parallelization of the remaining work.
- depends on
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SERVER-45838 Rename/restructure mongo_process_interface classes/files
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- Closed
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