[SERVER-23162] Support parallelCollectionScan in mongos Created: 15/Mar/16  Updated: 06/Dec/22  Resolved: 24/Aug/18

Status: Closed
Project: Core Server
Component/s: Querying, Sharding
Affects Version/s: None
Fix Version/s: None

Type: Improvement Priority: Major - P3
Reporter: Mathias Stearn Assignee: Backlog - Query Team (Inactive)
Resolution: Done Votes: 1
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Issue Links:
Depends
is depended on by TOOLS-1468 Allow mongodump to leverage parallelC... Closed
Assigned Teams:
Query
Participants:

 Description   

Now that mongos has a better implementation of cursors, it should be possible to implement this for both sharded and unsharded collections. For sharded collections an initial implementation could just use a normal find() query to each shard if we don't want to add a ShardFilterStage in parallelCollectionScan.



 Comments   
Comment by Asya Kamsky [ 24/Aug/18 ]

SERVER-33998

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