[SERVER-32347] Improve efficiency of cross-collection joins though co-locating chunks by shard key across collections Created: 14/Dec/17  Updated: 05/Oct/23

Status: Investigating
Project: Core Server
Component/s: Sharding
Affects Version/s: None
Fix Version/s: None

Type: Improvement Priority: Major - P3
Reporter: Kaloian Manassiev Assignee: Matt Panton
Resolution: Unresolved Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Issue Links:
Related
Assigned Teams:
Sharding EMEA
Participants:

 Description   

This ticket is meaningful in the context of sharded $lookup and distributed transactions, when these features are eventually available. The idea is to minimize the number of distributed rounds for 2 phase commit and/or minimizing the amount of data which needs to travel on the network in order to answer a $lookup.


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