id: ber_registry:catalog-002
title: BER Data Registry - Deprecation Chain
description: >-
  Demonstrates version tracking and deprecation with two linked data sources.
lakehouses:
  - id: ber_registry:lakehouse-kbase
    title: KBASE Lakehouse
    description: Spark-based lakehouse at NERSC for KBase and related projects.
    operator: Lawrence Berkeley National Laboratory
    platform_type: spark
    created_date: "2023-01-15"
    catalog_entries:
      - id: ber_registry:ds-nmdc-v1
        title: NMDC Metadata Store v1
        description: >-
          Original NMDC metadata store containing sample and biosample metadata.
          Deprecated in favor of v2 with improved schema and data quality.
        owner: NMDC Team
        contact_point:
          contact_name: NMDC Data Manager
          contact_email: nmdc-support@lbl.gov
        namespace: nmdc_metadata_v1
        status: deprecated
        is_deprecated: true
        update_schedule: static
        access_level: internal
        created_date: "2022-03-01"
        last_modified: "2024-11-15"
        version: "1.0"
        keywords:
          - metagenomics
          - biosample
          - NMDC
        project_affiliation:
          - NMDC
        domain:
          - environmental metagenomics
        deprecation_date: "2024-11-15"
        deprecation_reason: >-
          Replaced by v2 with improved schema validation and additional fields
          for instrument and facility tracking.
        replaced_by: ber_registry:ds-nmdc-v2
        category: project
      - id: ber_registry:ds-nmdc-v2
        title: NMDC Metadata Store v2
        description: >-
          Updated NMDC metadata store with improved schema, facility tracking,
          and instrument metadata following HPDF report recommendations.
        owner: NMDC Team
        contact_point:
          contact_name: NMDC Data Manager
          contact_email: nmdc-support@lbl.gov
        namespace: nmdc_metadata_v2
        status: active
        is_deprecated: false
        update_schedule: daily
        access_level: public
        created_date: "2024-11-15"
        version: "2.0"
        keywords:
          - metagenomics
          - biosample
          - NMDC
        project_affiliation:
          - NMDC
        domain:
          - environmental metagenomics
        previous_version: ber_registry:ds-nmdc-v1
        facility: NERSC
        license: CC-BY-4.0
        format:
          - Parquet
        category: project
        table_count: 42