[SERVER-32669] Support multiple outgoing migrations on the same shard Created: 11/Jan/18  Updated: 07/Dec/22  Resolved: 07/Dec/22

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

Type: Task Priority: Major - P3
Reporter: Kaloian Manassiev Assignee: [DO NOT USE] Backlog - Sharding Team
Resolution: Won't Do Votes: 1
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Issue Links:
Depends
depends on SERVER-35075 Make the migration critical section a... Closed
is depended on by SERVER-35076 Integrate the Balancer policy support... Backlog
Assigned Teams:
Sharding
Sprint: Sharding 2018-06-04
Participants:
Case:

 Description   

Add support for multiple migration source managers per collection on the same shard. That way a single shard can serve as a donor of multiple outgoing chunks.

Having this feature allows sharing to support fast rebalancing when a small number of shards are added to relieve an already loaded cluster.


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