This article is the Japanese version of a post published on STEALIEN's Korean technical blog in December 2022. It introduces ...

System logs generated by globally distributed microservices often hide subtle degradations (like memory thrashing or systemic ...

Last time, using the creation of a system to search for internal consultations as a subject, I discussed how the division of ...

Explore server-side performance optimization with profiling, slow query analysis, caching and concurrency fixes for faster ...

Speed up your WordPress database with 5 powerful fixes for post revisions, expired transients, autoloaded options and site ...

Apache Spark 4.3 brings stateful streaming with millisecond-scale latency, history-preserving Auto CDC, and faster data and ...

Malek Damiri shows how to backtest a customer health score in SQL: point-in-time snapshots, churn by band, and AUC against a simple baseline.

Scale Databricks Apps from design to production: set latency targets, keep state recoverable, load test, and size instances, ...

AI SAST combines program analysis, dataflow tracing, and LLM reasoning to find logic flaws rule-based SAST misses. Learn how it works and how to evaluate tools.

AI SAST vs traditional SAST, compared: how reasoning changes detection of authorization flaws, false positives, triage, fixes, speed, and cost ...

When a popular podcast releases a new episode, thousands of listeners may try to play or download it within minutes. Some are ...

Simon Willison’s SQLite parse_number() experiment initially put Rust ahead of C, until a targeted parser rewrite reversed the ...