Blogs on OLake
Bridging the Gap: Making OLake's MOR Iceberg Tables Compatible with Databrick's Query Engine
Learn how to make OLake's Merge-on-Read (MOR) Iceberg tables compatible with Databricks using an automated MOR to COW write script that transforms MOR tables into Copy-on-Write (COW) format for accurate analytics queries.
OLake — now an Arrow-based Iceberg Ingestion Tool
Discover how OLake's new Arrow-based architecture delivers 1.75x faster ingestion performance.
Building a Data Lakehouse with Apache Iceberg + ClickHouse + OLake
Learn how to build a complete data lakehouse using Apache Iceberg, ClickHouse, OLake and MinIO for real-time CDC, scalable storage, and fast analytics. Step-by-step guide with Docker setup.
Beyond Structured Tables: Variant and Geospatial Data in Apache Iceberg v3
Explore how Apache Iceberg v3 introduces native support for Variant and Geospatial data types, enabling unified storage and querying of structured, semi-structured, and spatial data in modern data lakehouses.







