Run Apache Iceberg without external catalog infrastructure. AIStor embeds the Iceberg REST Catalog API directly into object storage, giving query engines a single endpoint for both metadata and data access.
Full Apache Iceberg REST API support built directly into AIStor—no external catalog services required.
REST Catalog API
Fully compliant Iceberg REST endpoints for namespace, table, and metadata operations with atomic commits.
Query Engine Integration
Connect Spark, Trino, PyIceberg, and Flink using standard S3 credentials—no custom configuration.
Atomic Transactions
Commit changes across multiple tables in a single operation—all succeed together or roll back.
Namespace Management
REST APIs for hierarchical namespaces with pagination, metadata retrieval, and lifecycle operations.
Table Lifecycle
APICreate, rename, delete, load, and commit tables with schema validation and atomic metadata updates.
Why AIStor is Different
Traditional Iceberg deployments require separate catalog infrastructure—Hive Metastore with its database dependencies or Nessie with additional service clusters. Each adds operational complexity, latency, and failure points between your query engines and your data. AIStor eliminates the catalog layer entirely.
Zero External Catalogs
No Hive Metastore, Nessie, or separate catalog infrastructure to manage
One Unified Endpoint
Single connection for both catalog operations and S3 data access
Native S3 Credentials
Query engines authenticate with existing S3 credentials—no Kerberos or custom auth
Atomic Multi-Table Commits
Transaction API ensures all table changes succeed together or roll back
Business Impact
Infrastructure Consolidation
Unify storage and catalog in one service—fewer components to deploy, monitor, and maintain.
Data Pipeline Correctness
Multi-table atomic commits eliminate partial updates and inconsistent pipeline states.
Metadata Compliance
Keep all table metadata and audit logs in customer-controlled buckets for GDPR and HIPAA.
Faster Developer Onboarding
Standard Iceberg REST API with S3 credentials—no vendor SDKs or complex auth chains.
Get the Technical Details
Iceberg REST Catalog support in AIStor is currently in technical preview.
Contact MinIO for early access to tech preview documentation, API specifications, query engine configuration examples, and guidance on evaluation environments for testing Iceberg catalog integration before general availability.
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