#Performance

Java's Value Objects Finally Land in OpenJDK Master

Twelve years into Project Valhalla, a 208,000-line merge puts identity-free objects on track for JDK 28.

Article · 1w ago0

Every MVCC Engine Fails. Postgres Just Fails Out Loud

The garbage bill for concurrent reads and writes is conserved — each database only chooses who pays, when, and how it breaks.

Article · 2w ago0

SQLite in Production Is Solved. The Writer Problem Isn't

The pragma recipe converged years ago — what still hurts is the single-writer wall and the replication layer beneath it.

Article · 2w ago0

Build a Blazing-Fast REST API with Bun and Elysia.js

Ship a typed CRUD API on Bun's native SQLite driver and Elysia, then benchmark it against Express to see the actual difference.

Tutorial · 4w ago2

The Tokio/Rayon Trap Kills Async Concurrency

Cooperative executors stall on CPU work, and the usual thread-pool fix just makes you the scheduler.

Article · 4w ago2

misa77: decode-first LZ that outruns LZ4

A young write-once codec claims 1.5–3× LZ4 decompress speeds at better ratios. Here's who should care.

Article · 4w ago1

The Useless If That Broke a Latency Chain

A one-line dependency turned a hot loop into a crawl. Branch prediction and a volatile cast fixed it.

Article · 1mo ago1

Java 27: The Under-the-Hood Efficiency Release

With compact headers and G1 everywhere, Java 27 prioritizes deployment density and out-of-the-box performance over language syntax churn.

Article · 1mo ago0

L: A Modern, Bandwidth-First Runtime for K and Q

By executing directly on compressed vectors, this new runtime targets the real bottleneck of modern data processing.

Article · 1mo ago2

TypeScript 7.0: Why a Pragmatic Go Port Beat the Rust Hype

Microsoft's Go-native compiler delivers a tenfold speedup by choosing straightforward translation over a ground-up Rust rewrite.

Article · 1mo ago0

Profile a Rust Web Service with cargo-flamegraph to Eliminate CPU Hot Paths

Attach a flamegraph profiler to a running Axum service, pinpoint a regex hot path burning CPU on every request, then prove the fix with Criterion benchmark numbers.

Tutorial · 1mo ago0

Beyond the Colors: A Developer's Guide to htop

Stop treating your process monitor as a passive dashboard and start using it to diagnose real-world performance bottlenecks.

Article · 1mo ago5

Why FreeBSD Appears to Eat Your RAM (and Why It Doesn't Matter)

Demystifying FreeBSD's page queues, ZFS ARC, and why your monitoring tools are lying to you.

Article · 1mo ago1

Stop the Linux OOM Killer From Wrecking Your PostgreSQL Database

Taming the Linux virtual memory manager with strict overcommit is the only way to prevent silent database crashes.

Article · 1mo ago2

Fixing the DHT: How IPFS Achieved Sub-Second Publishing

By replacing rigid deterministic lookups with statistical heuristics, Kubo 0.39.0 slashes content routing latency from twenty seconds to one.

Article · 1mo ago0