Oracle Cloud Infrastructure Documentation

Reference for File Storage with Lustre

This guide lists the predefined objects in Resource Analytics for File Storage with Lustre. You can find information about views, entity relationships, subject areas, and sample queries.

Views

This section provides information about views within Resource Analytics File Storage with Lustre and their columns, data types, keys, and the referred view and column names. The following views are available:

File Storage with Lustre Views
NameDescription
LUSTRE_FILE_STORAGE_LUSTRE_FILE_SYSTEM_DIM_V This view stores information on Lustre file systems.
LUSTRE_FILE_STORAGE_OBJECT_STORAGE_LINK_DIM_V This view stores information on the Object Storage links that create the relationship between a directory in a File Storage with Lustre file system and a path within an Object Storage bucket.
LUSTRE_FILE_SYSTEM_FACT_V Fact table for Lustre file systems.

The suffixes in the view names specify the view type:

  • FACT_V: Fact
  • DIM_V: Dimension

Relationship Diagram

This section provides diagrams that define the logical relationship of a fact table with different dimension tables.

The contents of each view and their relationships are listed in the following file: File Storage with Lustre views.

This diagram shows the relationship of the File Storage with Lustre fact view with different dimension views.

LUSTRE_FILE_SYSTEM_FACT_V
Relationship diagram showing the fact table, LUSTRE_FILE_SYSTEM_FACT_V.

Relationships exist among dimensions. Dimensions can be joined directly to each other. This diagram shows the relationship between dimension views.

LUSTRE_FILE_STORAGE_OBJECT_STORAGE_LINK_DIM_V
Relationship diagram showing the dimension table, LUSTRE_FILE_STORAGE_OBJECT_STORAGE_LINK_DIM_V.

Sample Queries

Sample queries for File Storage with Lustre.

Show the capacity for active Lustre file systems:
SELECT 
    LUSTRE_FILE_SYSTEM_ID,
    DISPLAY_NAME,
    REGION,
    AVAILABILITY_DOMAIN,
    COMPARTMENT_ID,
    CAPACITY_IN_GBS
    LIFECYCLE_STATE
FROM
    OCIRA.LUSTRE_FILE_SYSTEM_FACT_V
WHERE
    LIFECYCLE_STATE = 'ACTIVE';
Show the Object Storage link count for each file system:
SELECT
    LUSTRE_FILE_SYSTEM_ID,
    COUNT(*) OBJECT_STORAGE_LINK_COUNT
FROM
    OCIRA.LUSTRE_FILE_STORAGE_OBJECT_STORAGE_LINK_DIM_V 
GROUP BY
    LUSTRE_FILE_SYSTEM_ID
ORDER BY
    OBJECT_STORAGE_LINK_COUNT DESC;

Data Lineage

The Customer Experience Semantic Model Lineage spreadsheet and Metric Calculation Logic spreadsheet for File Storage with Lustre provides an end-to-end data lineage summary report for physical and logical relationships in your data.

For more information, see Data Lineage.

Subject Areas

This section provides information on the subject areas with data you maintain in File Storage with Lustre. These subject areas, with their corresponding data, are available for you to use when creating and editing analyses and reports. The information for each subject area includes:

  • Description of the subject area.

  • Business questions that can be answered by data in the subject area, with a link to more detailed information about each business question.

  • Job-specific groups and duty roles that can be used to secure access to the subject area, with a link to more detailed information about each job role and duty role.

  • Primary navigation to the work area that's represented by the subject area.

  • Time reporting considerations in using the subject area, such as whether the subject area reports historical data or only the current data. Historical reporting refers to reporting on historical transactional data in a subject area. With a few exceptions, all dimensional data are current as of the primary transaction dates or system date.

  • The lowest grain of transactional data in a subject area. The lowest transactional data grain decides how data are joined in a report.

  • Special considerations, tips, and things to look out for in using the subject area to create analyses and reports.

The subject area is: