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Type: Task
Resolution: Done
Priority: Major - P3
Fix Version/s: None
Affects Version/s: None
Component/s: None
Labels:
- spm-3729-follow-on

Assigned Teams:

Catalog and Routing
Sprint:
CAR Team 2025-04-14, CAR Team 2025-04-28, CAR Team 2025-05-12
Story Points:
2
Confidence Status:
None
Work Order:
3

Aha! Reference:
None
Tracking Level:
None
Risk Status:
None
Exec Notes:
None
Goal Name:
None
Goal Link:
None

This ticket proposes the encapsulation of the existing logic related to the 'c' oplog entry (onDatabaseMetadataUpdate), managing rollbacks and restarts (onConsistentDataAvailable), and managing the critical section into a new class dedicated to maintaining those caches and critical section.

The proposed methods for this class include:

OnInitialDataAvailable
OnCriticalSectionStart
OnCOplogEntry
OnCriticalSectionEnd

By implementing these methods, we can unit test the class to ensure that the designed model is functioning correctly and that there are no gaps in its implementation.

depends on

SERVER-98135 Recover the temporary DSS from config.shard.databases during rollback

Closed

SERVER-98136 Recover the temporary DSS from config.shard.databases at startup

Closed

SERVER-99804 Update the 'c' oplog entry (databaseMetadataUpdate) to fill a temporary DSS

Closed

SERVER-100036 Implement CRUD path for authoritative database versioning

Closed

related to

SERVER-104542 Complete TODO listed in SERVER-100711

Closed

SERVER-104982 Modularize the ShardingState similarly to the DSS

Needs Scheduling

split to

SERVER-103711 Replace setter methods from DatabaseShardingRuntime with a new dedicated class

Open

SERVER-103712 Unify database version comparisons from FilteringMetadataCache and DatabaseShardingState

Open

SERVER-103710 Create a mock for DatabaseShardingState to be used by unit tests

In Progress

SERVER-103708 ShardServerOpObserver must only react to the oplog ‘c’ entry for createDatabase and dropDatabase

Closed

SERVER-103709 Separate responsibilities currently held by the DSS into a public interface and a private one

Closed

(1 related to, 5 split to)

Assignee:: Pol Pinol

Reporter:: Pol Pinol

Participants:: Githook User, Pol Pinol

Votes:: 0 Vote for this issue

Watchers:: 4 Start watching this issue

Created:: Feb 11 2025 10:53:30 AM UTC

Updated:: May 09 2025 11:47:12 AM UTC

Resolved:: Apr 30 2025 07:52:29 AM UTC

Confidence Status Last Update:: 02/Apr/25 10:01 AM

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