Tacnode
Resources

Blog

Insights on AI infrastructure, Decision Coherence, and building systems for the machine-driven era.

Latest Articles

61 articles
Redis Alternatives: 9 Options for Caching, Real-Time Data, and Decision Workloads
Data Engineering

Redis Alternatives: 9 Options for Caching, Real-Time Data, and Decision Workloads

Redis changed its license. The ecosystem fractured. Here are 9 alternatives — from drop-in forks to architecturally different systems — organized by what you're actually trying to solve.

Alex KimballAlex Kimball|Mar 25, 2026
Apache Doris vs ClickHouse: Choosing a Real-Time Analytics Database
Data Engineering

Apache Doris vs ClickHouse: Choosing a Real-Time Analytics Database

Apache Doris and ClickHouse are both columnar OLAP databases built for real-time analytics. Here's how they compare on architecture, joins, real-time ingestion, and consistency — and where both hit the same structural limit for decision workloads.

Alex KimballAlex Kimball|Mar 24, 2026
Incremental Materialized View: How to Keep Derived State Fresh in Real Time
Data Engineering

Incremental Materialized View: How to Keep Derived State Fresh in Real Time

Standard materialized views recompute everything on a schedule. Incremental materialized views apply only the delta — continuously, as data changes. Here's how they work across Postgres, ClickHouse, Databricks, and streaming databases, what each approach can and can't do, and where they all hit the same structural limit.

Alex KimballAlex Kimball|Mar 24, 2026
CQRS for AI Agents: Why Eventual Consistency Breaks Autonomous Systems
Data Engineering

CQRS for AI Agents: Why Eventual Consistency Breaks Autonomous Systems

CQRS separates reads from writes. But when AI agents become the read-side consumer, eventual consistency becomes a correctness problem. Here's what changes.

Boyd StoweBoyd Stowe|Mar 20, 2026
OLTP vs OLAP: The False Choice for the Agentic Era
Data Engineering

OLTP vs OLAP: The False Choice for the Agentic Era

Every architecture guide frames OLTP vs OLAP as a choice: optimize for transactions or optimize for analytics. But automated decision systems — fraud checks, credit approvals, agent actions — need both transactional consistency and analytical power at the same moment. The Composition Impossibility Theorem proves you can't stitch separate OLTP and OLAP systems together to get there. Here's what comes after the tradeoff.

Xiaowei JiangXiaowei Jiang|Mar 17, 2026
ETL Pipelines: What They Are, How They Work, and When to Eliminate Them
Data Engineering

ETL Pipelines: What They Are, How They Work, and When to Eliminate Them

ETL pipelines extract data from source systems, transform it into a usable format, and load it into a destination. This guide covers how ETL pipelines work, common architectures, tools, failure modes, and when streaming and CDC approaches eliminate the need for batch ETL entirely.

Alex KimballAlex Kimball|Mar 13, 2026
...

Ready to get started?

Book a demo to see how Tacnode can power your real-time data infrastructure.