Posts - Page 5
All the articles I've posted, page 5.
- 31 MIN READ•Aug 25, 2026
Multi-Cloud REST Catalog Topologies: Running Apache Polaris Across AWS, Azure, and GCP
Polaris can catalog Iceberg tables across AWS, Azure, and GCP. Four topologies, credential vending, and the tradeoffs of each design.
Apache PolarisREST catalogmulti-cloud - 32 MIN READ•Aug 25, 2026
Parquet-Only Manifests in Iceberg v4: Why the Metadata Layer Is Going Columnar
Iceberg v4 is moving manifests from Avro to Parquet so planners can read only the stats they need. Why the metadata layer is going columnar.
Apache IcebergIceberg v4Parquet - 31 MIN READ•Aug 25, 2026
Query Routing at Machine Scale: Dynamic Workload Distribution Across Lakehouse Engines
Route each lakehouse query by shape, not by sender. Signals, rules, and how to keep dashboards, batch jobs, and agents from sharing one engine.
query engineslakehouserouting - 31 MIN READ•Aug 25, 2026
Semantic Layer Federation: One Logical Model Over Data on Three Clouds
One logical model over Iceberg and databases on three clouds. Pushdown, egress, Reflections, and where semantic federation still breaks.
semantic layerfederationmulti-cloud - 31 MIN READ•Aug 25, 2026
Serverless Iceberg Ingestion with PyIceberg and DuckDB: Micro-Batches Without a Spark Cluster
Land small Iceberg micro-batches with PyIceberg and DuckDB in a serverless function. Commits, concurrency, and why Spark is the wrong default.
Apache IcebergPyIcebergDuckDB - 31 MIN READ•Aug 25, 2026
Zero-Copy Warehouse Modernization: Migrating Legacy Databases to Apache Iceberg Without Downtime
Move a legacy warehouse to Iceberg without downtime by virtualizing first. Consumer cutover, parity checks, and background copy without double-ETL.
Apache Icebergmigrationfederation - 35 MIN READ•Aug 24, 2026
The Agent Is Now a Named Coworker, and It Needs a File Format
Named, persistent agents need a file format. Open Agent Profile, Buzz, Grok Bot, and Hermes Bot Mode show why a portable agent identity matters.
AI agentsOpen Agent Profiledeveloper tools - 32 MIN READ•Aug 24, 2026
Your Agent Should Answer the Phone: A Field Guide to AI Gateways on Slack, Discord, Telegram, Signal, and Teams
A field guide to AI gateways on Slack, Discord, Telegram, Signal, and Teams: architecture, auth, cost, and the failure modes that matter.
AI agentsgatewaysSlack - 32 MIN READ•Aug 24, 2026
Graphs in AI Engineering Have Solved Three Problems. The Fourth Is the Plan.
Knowledge graphs, GraphRAG, and LangGraph solved three problems. The fourth is the work itself: a reviewable graph of bounded agentic loops.
AI agentsgraphsAgentic Graph Specification - 31 MIN READ•Aug 24, 2026
The Hidden Cost of Tiny Iceberg Commits
Trace what one tiny Iceberg commit writes, then model hourly, per-minute, and per-second cadences so streaming costs become arithmetic, not adjectives.
Apache Icebergstreamingmetadata - 31 MIN READ•Aug 24, 2026
Deletion Vectors vs Position Deletes vs Equality Deletes: The Iceberg Delete Story in 2026
Position deletes, equality deletes, and deletion vectors compared from the Iceberg spec: what each writes, how readers apply it, and when to use which.
Apache Icebergdeletion vectorsposition deletes - 31 MIN READ•Aug 24, 2026
Iceberg Is Becoming a Library, Not Just a Table Format
Iceberg is turning from a JVM table format into a library other systems embed. What that shift changes for engines, catalogs, and the spec itself.
Apache Iceberglibrariesecosystem