Unverified50% confidenceFactExact time
Delta Lake uses a transaction log (_delta_log), Apache Iceberg uses manifest files and a metadata tree, and Apache Hudi uses a timeline (Timeline) as the mechanism for implementing the metadata layer.
1
Sources
50%
Confidence
Long-term
Relevance
10/16/2026
First Seen
Sources
Related Entities
Related Claims
VerifiedLakehouse resolves the contradiction between the lack of ACID transactions in data lakes and vendor lock-in by data warehouse vendors by building a transactional metadata layer (such as Delta Lake, Apache Iceberg, and Apache Hudi) on top of object storage.70% similarUnverifiedDelta Lake's ACID transaction capability is built on top of the transaction log (the _delta_log directory), where each write operation generates a commit record in JSON format.68% similarUnverifiedApache Iceberg and Apache Hudi, together with Delta Lake, are collectively known as the three major open formats of the lakehouse era.66% similarUnverifiedAtlassian added transformation logic to its data ingestion pipeline, mapping raw logs into OCSF format before writing them to Delta Lake tables in Databricks.66% similarVerifiedDatabricks implemented the data Lakehouse architecture through its open-source project Delta Lake.64% similar
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