This post shows how to compose a Bloom filter with an exact-match cache and a relational source of truth into a three-tier, correctness-safe membership lookup using Amazon ElastiCache for Valkey and Amazon Aurora PostgreSQL, serving sub-millisecond decisions at peak throughput without false-positive risk.

Advanced (300)Amazon AuroraAmazon ElastiCache

AWS Database BlogRead original

ExternalCloud

Google Cloud Blog17 Sept 2026

How a solo founder runs a five-continent tender platform on AlloyDB and MCP

Editor's note: Lucius AI, a tender-intelligence startup covering markets across five continents, runs its entire data platform on AlloyDB for PostgreSQL with a single operator. By migrating semantic search to a ScaNN index and managing database operations through Model Context Protocol (MCP), query latency dropped by 47x while automating day-to-day administrative tasks via MCP. Executive summary Lucius AI runs a global tender platform spanning more than 210,000 tenders across the UK, EU, India,

CustomersStartupsDatabases

Google Cloud BlogRead original

ExternalDevOps

HashiCorp Blog17 Sept 2026

HCP Vagrant deprecation: important dates and migration guidance

HashiCorp is deprecating HCP Vagrant through a phased process. The Vagrant CLI and source repository will remain available, but customers must move their Vagrant boxes to another hosting provider and assume the associated hosting costs. HCP Vagrant will stop supporting new box and registry creation on October 1, 2026, and customers using HCP Vagrant have until December 31, 2026 to find a new provider and rehost their boxes. To help with the transition, we will release additional capabilities

HashiCorp BlogRead original

ExternalSoftware Engineering

DZone17 Sept 2026

A Senior Engineer’s Guide to Foundry IQ, MCP, and the OpenAI Agents SDK

Most Foundry writeups assume you're all in on Microsoft's stack end to end: the Agent Framework for orchestration, the Foundry Agent Service for hosting, and the Responses API wrapped in Microsoft's own client. That's a reasonable default, but it's not the only shape this can take. Microsoft Foundry hosts OpenAI's own models behind an OpenAI-compatible endpoint, and Foundry IQ exposes every knowledge base as a plain MCP server. Put those two facts together, and you get a genuinely different setu

DZoneRead original

ExternalCybersecurity

Microsoft Security Blog17 Sept 2026

Improving email security outcomes with real-world Microsoft Defender insights

The latest email security benchmarking reports show strong Microsoft Defender performance across pre-delivery and post-delivery scenarios and reveal where threats and defenses continue to evolve. The post Improving email security outcomes with real-world Microsoft Defender insights appeared first on Microsoft Security Blog.

Microsoft Security BlogRead original

Let’s start with a conversation

Tell us what you’re working on.

An idea, a challenge, or a system that needs to work better. We’ll help you understand the next step.

Discuss your project

Prefer email? [email protected]

Ideas for buildingbetter software.

Tell us what you’re working on.

Ideas for building
better software.