[SERVER-7425] distinct should run in parallel in a sharded cluster Created: 19/Oct/12  Updated: 06/Dec/22

Status: Backlog
Project: Core Server
Component/s: Querying
Affects Version/s: 2.2.0
Fix Version/s: None

Type: Improvement Priority: Minor - P4
Reporter: Richard Kreuter (Inactive) Assignee: Backlog - Query Execution
Resolution: Unresolved Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Issue Links:
Related
Assigned Teams:
Query Execution
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 Description   

It looks like the code for distinct in the mongos runs the command against the shards in series, rather than in parallel. It ought to be a win to run that one with a parallel cursor.


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