Medium3h ago
We Doubled Our Database Connections. The API Got Slower. Here’s What We Missed
A write-up on why doubling PostgreSQL connections in a Spring Boot application made the API slower, despite healthy database and CPU metrics.
Medium2h ago
We Deployed One New Column. PostgreSQL Froze 27 Application Pods
A single ALTER TABLE migration in PostgreSQL froze 27 application pods, illustrating database locking risks during deployment.
Medium58m ago
Migrating Spreadsheets to PostgreSQL | Viktri Labs
The article presents a blueprint for migrating business spreadsheets into PostgreSQL.
Medium5h ago
ProtoDB: an embedded, immutable, transactional object database for Python
Introduces ProtoDB, an embedded immutable transactional object database for Python without a server or SQL.
DEV49m ago
The Redis Service Count Cannot Identify Valkey Cluster Mode
The article describes a Valkey heap overflow fix in cluster publish message handling and how the Redis service count fails to identify cluster mode.
DEV4h ago
Cross-slot by default: moving Redis Cluster permission into ClusterUtil.batch
Redis Cluster multi-key commands are restricted unless all keys hash to the same slot, and a ClusterUtil.batch approach is described to handle this.
DEV4h ago
The Supabase RLS checklist for apps built with Lovable, Bolt or Cursor
A checklist explains how to secure Supabase row-level security for apps built with AI app builders.
Medium9h ago
When Three Processes Took Down The Database: A Postgres 18 io_method Story
The article describes how a Postgres 18 io_method default change caused a database outage when three processes ran concurrently.
Medium7h ago
Using Mem0 Python with Oracle AI Database for Durable Application Memory
A developer guide covers using Mem0 with Oracle AI Database for storing, searching, and managing application memory.
Medium12h ago
Our Database CPU Hit 95%. The Most Expensive Query Wasn’t the Real Problem
A database CPU spike to 95% is analyzed, finding that connection storms and lock contention mattered more than the most expensive query.
DEV7h ago
PostgreSQL Index Bloat Surgery: Detecting, Measuring, and Rebuilding Indexes Without Downtime on Live SaaS Tables
Covers detecting, measuring, and rebuilding PostgreSQL indexes to fix bloat without downtime on live tables.
Medium9h ago
PostgreSQL 18.7 Fixes 52 CVEs. Your Old Extensions Still Load, Without the CVE-2026–6460 Fix.
PostgreSQL 18.7 minor release fixes 52 CVEs and changes how C extensions interact with the server.
Medium47m ago
Kafka Delivered the Message Once. Our Customer Was Charged Twice
A customer was charged twice after a Kafka consumer processed a message more than once despite safeguards.
Medium3h ago
Our Kafka Consumer Was Running. Messages Were 40 Minutes Behind.
A debugging account of Kafka consumers running healthily while messages fell 40 minutes behind, with PostgreSQL responding normally.
Hacker News6h ago
Gnomon. Git for Postgres data, built for agents
A GitHub project introduces Git-style version control for Postgres data designed for agents.
Hacker News3h ago
Live-migration support in FreeBSD and bhyve coming
FreeBSD and bhyve are gaining live-migration support, as described in an RFC post.
DEV3h ago
Postgres to Redshift: A CDC Walkthrough That Ends in One External Schema
A walkthrough of change data capture from Postgres into Redshift using an external schema.
DEV7h ago
Laravel chunk() Silently Skips Half Your Rows (+3 Eloquent Mistakes on Big Tables)
A Laravel chunk() behavior issue that silently skips rows when processing large database tables, along with other Eloquent mistakes.
DEV11h ago
Supabase "RLS disabled in public": what it means
Explains the Supabase lint error for RLS disabled in public tables and what it means.
DEV13h ago
DDBD: free and open source database on Linux and macOS
DDBD, the database behind Skapi, is now available as free and open source software on Linux and macOS.
DEV7h ago
You can't move a Durable Object to the EU. Here's how I copied live ones anyway
A walkthrough of copying live Durable Objects to avoid EU placement issues, with a warning about a single deploy call emptying existing workspaces.
DEV14h ago
Multi-tenant SaaS on PostgreSQL: row-level security in practice
An explanation of implementing row-level security for multi-tenant SaaS on PostgreSQL.
r/programming15h ago
exploit a 22 years old PostgreSQL composite-type vulnerability
A researcher describes exploiting a 22-year-old PostgreSQL composite-type vulnerability.
News16h ago
vLLM Explained: Build Faster and More Efficient LLM Inference with Python
A hands-on guide explains vLLM techniques such as PagedAttention and continuous batching for faster, more memory-efficient LLM inference in Python.
r/netsec3d ago
Supabase Security findings why RLS is only 25% of the issues
Supabase security findings show that row-level security accounts for only a quarter of the issues found.
levelup.gitconnected.com1d ago
Redis 8.10.3 vs Dragonfly 2.0.0 Benchmarked: Pipelining, Payload Size and Latency
A benchmark comparison of Redis 8.10.3 and Dragonfly 2.0.0 across pipelining, payload size, and latency.
Hacker News3d ago
ClickHouse Acquires Xata
ClickHouse announces its acquisition of Xata, a database-focused company.
blog.dataengineerthings.org2d ago
The Indexing Paradox: Why More Indexes Don’t Always Mean Better Performance
An article examines database index mechanics and the trade-offs indexes introduce for query performance.
Lobsters18h ago
Choosing QuePaxa, an unusual consensus algorithm
A discussion of the QuePaxa consensus algorithm, an unusual approach to distributed agreement.
r/programming4d ago
How we saved 100 terabytes of memory by optimizing 1.1.1.1’s DNS cache
Cloudflare describes how it reduced the memory footprint of the 1.1.1.1 DNS resolver cache by about 100 terabytes through optimization.
pub.huizhou92.com2d ago
Accept fast, deliver later: building an email API with Kafka, ClickHouse, and OpenSearch
Describes architecture decisions for an email API built on Kafka, ClickHouse, and OpenSearch to avoid losing accepted mail.
Phys.org3d ago
AI-generated molecular fingerprints help identify existing compounds with therapeutic potential
Researchers used AI-generated molecular fingerprints to identify existing compounds with therapeutic potential.
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