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Type: Task
Resolution: Fixed
Priority: Major - P3
Fix Version/s: 8.3.0-rc0
Affects Version/s: None
Component/s: None
Labels:
None

Assigned Teams:

Catalog and Routing
Backwards Compatibility:
Fully Compatible
Sprint:
CAR Team 2025-08-18
Confidence Status:
None
Work Order:
3
Size Category:
TBD
CAR Domain/s:

🟥 DDL, 🟦 Shard Catalog, 🟩 Routing and Topology

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

This ticket aims to create a new directory layout to organize Catalog and Routing owned files by components, with minimal or no CAR files left at other levels (i.e. src/mongo/db, src/mongo/s or src/mongo/db/s).

This phase focuses on establishing the structure and moving existing files without code behavioral changes.

src/mongo/db/
    local_catalog/                        CAR Shard Catalog
        lock_manager/                     CAR Shard Catalog
        shard_role_api/                   CAR Shard Catalog
        shard_role_catalog/               CAR Shard Catalog
        ddl/                              CAR Shard Catalog, CAR DDL

    global_catalog/                       CAR DDL, CAR Routing and Topology
        metadata_consistency_validation/  CAR DDL
        router_role_api/                  CAR Routing and Topology
        catalog_cache/                    CAR Routing and Topology
        ddl/                              CAR Shard Catalog, CAR DDL

    user_write_block/                     CAR Shard Catalog, CAR DDL
    cluster_parameters/                   CAR Routing and Topology
    topology/                             CAR Routing and Topology
    vector_clock/                         CAR Routing and Topology
    sharding_environment/                 CAR (shared files; mainly CAR Routing and Topology)

is depended on by

SERVER-108181 Designate CAR file ownership to the appropriate domain

Closed

related to

SERVER-109214 Review new CAR subfolder hierarchy under src/mongo/db for missed files

Open

SERVER-109215 Review new CAR subfolder hierarchy to improve Bazel libraries

Open

SERVER-105515 Change ownership of catalog/OWNERS.yml

Closed

SERVER-109218 Create a clang-tidy rule for CollectionShardingRuntime not being used outside DDLs or ShardingRecoveryServices

Needs Scheduling

SERVER-109219 Designate CAR test ownership to the appropriate domain

Needs Scheduling

(1 related to)

Assignee:: Pol Pinol
Reporter:: Pol Pinol
Participants:: Githook User, Pol Pinol
Votes:: 0 Vote for this issue
Watchers:: 2 Start watching this issue

Created:: Aug 11 2025 10:05:43 AM UTC
Updated:: Aug 14 2025 10:54:41 AM UTC
Resolved:: Aug 13 2025 10:00:45 AM UTC
Confidence Status Last Update:: 11/Aug/25 10:46 AM

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