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Postgres-Backed Durable Workflow Execution: An Alternative to External Orchestration Systems

This article explains the concept of durable workflow execution using Postgres as the backing database, as implemented by the DBOS system. It contrasts this approach with external orchestration systems like Temporal, explaining how checkpointing program progress to a database ena

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dbos.dev·Hacker News: Front Page·3d ago·6 min read

Comparing Transaction Isolation Levels in MySQL and MariaDB Through Automated Hermitage Testing

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theconsensus.dev24d ago

Columnar Storage as Database Normalization: Understanding the Relational Foundation

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buttondown.com1mo ago

PgQue: Zero-Bloat Postgres Queue System Using Pure SQL and pg_cron

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github.com1mo ago

Rethinking Database Usage: When File-Based Storage Might Be Better Than Traditional Databases

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dbpro.app1mo ago

YantrikDB: A Cognitive Memory Engine with Forgetting, Consolidation, and Contradiction Detection

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github.com1mo ago

Understanding B-trees: How Database Indexes Work and Why Primary Key Choices Matter

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planetscale.com1mo ago

Typhon: A .NET Database Engine Built for Game Servers Using ECS Architecture

Typhon is an embedded, persistent, ACID database engine written in .NET specifically designed for game servers and real-time simulations. It bridges the gap between game engines and traditional databases by using the native language of game development: entities, components, and

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nockawa.github.io·Hacker News: Front Page·1mo ago·11 min read

Turbolite: Experimental SQLite VFS for Direct S3 Querying with Sub-250ms Cold Latency

Turbolite is an experimental SQLite VFS (Virtual File System) written in Rust that enables direct querying of SQLite databases stored in S3 object storage with sub-250ms cold latency for point lookups and JOIN operations. The system leverages the decreasing latency gap between lo

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github.com·Hacker News: Front Page·2mo ago·22 min read

Grafeo: High-Performance Graph Database Built in Rust with Multi-Language Support

Grafeo is a high-performance, embeddable graph database built in Rust that offers exceptional speed and efficiency. It claims to be the fastest graph database tested on the LDBC Social Network Benchmark, with lower memory footprint than other in-memory databases. Key features inc

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grafeo.dev·Hacker News: Front Page·2mo ago·7 min read

Jepsen Analysis: MariaDB Galera Cluster 12.1.2 Fails "No Lost Transactions" Guarantee

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jepsen.io2mo ago

Lux: A Multi-threaded Redis-Compatible Key-Value Store with Vector Search and 10x Performance Gains

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github.com2mo ago

DB9: Serverless PostgreSQL Database Platform for AI Agents

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db9.ai2mo ago

HelixDB: Open-Source OLTP Graph-Vector Database Built in Rust Now Generally Available

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Product Hunt3mo ago

SNKV: A Lightweight, Crash-Safe Embedded Key-Value Store Built on SQLite's Storage Engine

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github.com3mo ago

vdb: A Header-Only C Library for Vector Database Operations

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github.com3mo ago

PostgreSQL Postmaster Contention: How Meeting Synchronization Creates Database Bottlenecks at Scale

The article discusses a production issue at Recall.ai related to PostgreSQL postmaster contention that emerges at scale due to the synchronized nature of meeting start times. Most meetings start on the hour or half-hour, creating sudden spikes in database connections that overwhe

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recall.ai·Hacker News: Front Page·3mo ago·8 min read

Litestream Adds Write Capabilities to Its Virtual File System

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fly.io3mo ago