Investigated Apache connection exhaustion after HTTPS monitoring timed out even after OOM countermeasures

Previously, I recorded a case where a WordPress monitoring timeout occurred on a 1GB RAM VPS, and MariaDB had stopped due to OOM (Out of Memory).At that time, I limited the number of concurrent Apache ...

Why HTTPS Stopped Even Though CPU and Memory Were Available—Incomplete TLS Connections Filling 6 Apache Workers

IntroductionOn September 28, 2026, a small VPS running WordPress received an HTTPS socket timeout notification from an ...