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databricks Platform · Updated Jun 29, 2026

Parquet v2 for Delta Lake

Enhanced performance and reduced storage for Delta Lake tables.

What it does

Parquet v2 introduces advanced encodings, v2 data page headers, and `INT64` timestamps for Delta Lake tables, significantly improving query performance and reducing storage requirements. Users can activate this feature by setting the `delta.parquet.format.version` table property to `2.12.0` or by enabling automatic upgrades. This functionality is supported in Databricks Runtime 18.1 and above.

Why it matters

The introduction of Parquet v2 allows organizations to optimize their data storage and enhance query performance, which can lead to reduced costs and improved operational efficiency. This is particularly beneficial for data-intensive applications and analytics workloads, enabling faster insights and better resource utilization.

Key capabilities
Advanced Data Encoding
Utilizes advanced encodings to enhance data compression and performance.
Improved Query Performance
Reduces query execution time through optimized data page headers.
Automatic Upgrades
Enables seamless upgrades to new features without manual intervention.
Compatibility Verification
Ensures workload compatibility before enabling new features on existing tables.
Prerequisites
Databricks Runtime 18.1 or above
Unity Catalog managed tables in Delta Lake or Apache Iceberg formats
Serverless compute must be available in your region
Recommended use cases
Optimizing storage costs for large datasets.Enhancing performance for data analytics applications.Seamlessly upgrading existing Delta Lake tables to leverage new features.Improving data governance and management with automatic compatibility checks.
Limitations · remember
!Tables shared via Delta Lake Sharing are excluded from automatic upgrades.
!No batch rollback mechanism for turning off features across all tables.
!Materialized views and streaming tables are not supported.
!Path-based access workloads are not tracked by automatic upgrades.
Architecture
Databricks Runtime → Delta Lake → Unity Catalog → Automatic Upgrades
Get started
1
Set Parquet Version
Configure the `delta.parquet.format.version` to `2.12.0`.
2
Enable Automatic Upgrades
Activate automatic upgrades for new schemas to utilize Parquet v2 features.
3
Monitor Table Compatibility
Check table access patterns to ensure compatibility with automatic upgrades.
4
Review Upgrade History
Use the Catalog Explorer to verify if automatic upgrades have been applied.
5
Manage Features
Utilize SQL commands to turn off features if necessary.
Key takeaway
Parquet v2 for Delta Lake tables enhances performance and reduces storage costs, enabling organizations to optimize their data management strategies.
2026-06-29-parquet-v2-for-delta-lake-tables-is-generally-available Generated by the Databricks Updates Agent · browse all updates