[SERVER-74982] Automatically Migrate Jumbo Chunks From a Draining Shard Created: 17/Mar/23  Updated: 12/Dec/23

Status: Needs Scheduling
Project: Core Server
Component/s: None
Affects Version/s: None
Fix Version/s: None

Type: Improvement Priority: Major - P3
Reporter: Matt Panton Assignee: Backlog - Cluster Scalability
Resolution: Unresolved Votes: 0
Labels: oldshardingemea, sharding-emea-pm-review, shardingemea-qw, ts-product-report-sharding
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Assigned Teams:
Cluster Scalability
Participants:
Story Points: 3

 Description   

Today

Currently the balancer does not migrate jumbo chunks from a draining shard. This can cause Atlas configuration changes to become stuck and leave customers confused as they've forgotten or don't know that they have jumbo chunks on the draining shard. 

Story

As a MongoDB sharding customer I would like the balancer to automatically migrate jumbo chunks from a draining shard so that I do not have connect to the cluster and run manual commands via mongosh. 

Future

When a customer requests a shard to be removed from a cluster the balancer will automatically migrate jumbo chunks from the draining shard.


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