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Data Catalog

Chango REST Catalog is iceberg REST Catalog used as data catalog in Chango.

Security-first Data Catalog

Storage Security is a first-class mandatory in modern data lakehouses. Chango REST Catalog works with Chango Authorizer tightly which controls all the data access with strong storage security of catalog, schema and table level in Chango. That is, multiple iceberg supported engines like spark, trino can work with Chango REST Catalog seamlessly with the support of strong storage security to iceberg in Chango.

Automatic Iceberg Table Maintenance

Everytime data committed to iceberg tables, many files will be created like data files, snapshots, metadata files which should be maintained manually later. Chango REST Catalog maintains iceberg tables automatically for you. That is, Chango REST Catalog does the followings for you automatically.

  • Compacts small files.
  • Expires snapshots.
  • Remove old metadata files.
  • Remove orphan files.
  • Rewrite manifest files.
  • Rewrite position delete files