[SERVER-76503] Integrate Resharding Oplog Application into MovePrimary Created: 25/Apr/23  Updated: 01/Jun/23  Resolved: 01/Jun/23

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

Type: Task Priority: Major - P3
Reporter: Brett Nawrocki Assignee: [DO NOT USE] Backlog - Sharding NYC
Resolution: Won't Do Votes: 0
Labels: sharding-nyc-subteam1
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Issue Links:
Depends
depends on SERVER-76504 Relax CRUD Op Blocking for Online mov... Closed
depends on SERVER-76505 Integrate ReshardingOplogFetcher to M... Closed
depends on SERVER-76506 Integrate ReshardingOplogApplier to M... Closed
depends on SERVER-76507 Write Concurrency Test for movePrimar... Closed
Assigned Teams:
Sharding NYC
Participants:

 Description   

The ultimate idea behind this task is to support online behavior for movePrimary with the following constraints:

  • The database being moved contains only a single collection.
  • Only ordinary CRUD ops (no transactions) are being performed concurrently with movePrimary.
  • movePrimary aborts if a failover occurs before reaching kPrepared.

This task will be complete once a passing test is written which performs a movePrimary operation on a database containing a single unsharded collection while concurrent CRUD operations are being performed on that collection.


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