
OLake — now an Arrow-based Iceberg Ingestion Tool
OLake Go's Arrow-based Iceberg writer: how the rolling writer and equality delete writer work, and why a full load runs about 1.75x faster.
Blogs on the topic Apache Parquet
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OLake Go's Arrow-based Iceberg writer: how the rolling writer and equality delete writer work, and why a full load runs about 1.75x faster.

Parquet is a columnar file format and Iceberg is a table format built on top of it. See how they differ on schema evolution, transactions and partitioning.