Systems | Development | Analytics | API | Testing

Tideways 2026.1 Release

We’re rolling out a new wave of improvements across Tideways in our first Release of 2026, focusing on deeper visibility, smarter automation, and broader ecosystem support. From automatic tracepoints for selected transactions and improved exception workflows to enhanced FrankenPHP worker-mode instrumentation, these features continue to reduce manual effort while increasing observability.

Dodge the thundering herd with file-based OPcache

In the blog post about Fine-Tuning OPcache Configuration I mentioned the thundering herd problem that affects OPcache during cache restarts. When OPcache is restarted, either automatically or manually, all current users will attempt to regenerate the cache entries. Under load this can lead to a burst in CPU usage and significantly slower requests.