OPENSOURCE
17 Results
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The Community Won: Apache Polaris, the Iceberg REST Catalog and the End of Vendor Lock-In
Discover how Apache Polaris graduated to a Top-Level Project, providing a vendor-neutral Iceberg REST Catalog for true data interoperability.
APR 09, 2026|6 min read

Building a High-Performance Postgres Time Series Stack with Iceberg
Learn how to build a vendor-agnostic, open source time series stack using Postgres extensions like pg_lake, pg_partman, and pg_incremental to offload cold data to Apache Iceberg on S3.
MAR 06, 2026|4 min read

Postgres JSONB Columns and TOAST: A Performance Guide
Understand how Postgres handles variable-length JSONB data using The Oversize Attribute Storage Technique (TOAST). Explore techniques to avoid the TOAST tax and efficiently retrieve your data.
FEB 25, 2026|7 min read

Beyond toPandas(): Streaming PySpark Data to DuckDB via Apache Arrow
Bypass Spark’s toPandas() memory bottleneck by streaming PySpark DataFrames to DuckDB via Apache Arrow using the PyCapsule interface for efficient, zero-copy data-transfer
FEB 20, 2026|3 min read

Scaling Agent Reliability: Trace-Aware Evaluation for MLflow
Enhance AI agent reliability in MLFlow by adding trace-aware evaluation with TruLens scorers that measure RAG quality and full execution behaviour beyond final outputs.
FEB 19, 2026|6 min read

Extend Unified Governance Across the Iceberg Ecosystem with Horizon Catalog
Learn how Snowflake enables unified data governance with fine-grained access control, including row- and column-level policies across Iceberg and Spark.
JAN 27, 2026|5 min read

Get Started With the Postgres Command Line psql
A quick review of the most essential Postgres commands and some favorites.
JAN 15, 2026|5 min read

Snowflake Postgres is Now Available in Public Preview
Fully managed Postgres on Snowflake is in public preview, delivering compatibility, simple provisioning, instance resizing, security, and built-in logs.
DEC 17, 2025|3 min read

Apache Polaris (incubating) 1.3 Released: Enhanced Governance and Connectivity
Apache Polaris 1.3 release adds metrics reporting, Open Policy Agent integration, and enhanced catalog-federation security
DEC 09, 2025|4 min read

PostGIS Day 2025 Recap: AI, Lakehouses and Geospatial Community
Read the highlights from PostGIS Day 2025: practical AI agents, modern lakehouse/GeoParquet patterns, and real-world geospatial use cases - talks, demos and resources.
DEC 08, 2025|8 min read

The Apache Iceberg™ Variant Type: Flexible Semistructured Data, Reimagined
Explore the new Variant type in Apache Iceberg v3, a powerful feature for storing and querying semi-structured data like logs, telemetry, and IoT data.
NOV 07, 2025|8 min read

Introducing pg_lake: Integrate Your Data Lakehouse with Postgres
Introducing pg_lake, a set of open-source PostgreSQL extensions from Snowflake that allow you to query, manage, and write to Iceberg tables in your data lakehouse.
NOV 04, 2025|6 min read
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