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Apache Performance Tuning on a VPS: MPM, KeepAlive, and Caching Configs That Matter

Posted on August 3, 2026 by Virtual-Servers-Vps-Editor

Apache only becomes the bottleneck when it runs default configs. Switch to the event MPM, pair it with PHP-FPM, size workers to RAM, and add compression and caching — with benchmarks.

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Cutting Web Latency on a VPS: TTFB, TLS 1.3, and HTTP/2 Tuning

Posted on August 3, 2026 by Virtual-Servers-Vps-Editor

Slow TTFB drives visitors away before they see your page. Measure it with curl, then apply TLS 1.3, OCSP stapling, session caching, HTTP/2, and keepalive tuning to shave 200–400 ms.

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A Repeatable VPS Benchmark Method: Isolating CPU Steal, Disk p99 and Network Jitter

Posted on August 2, 2026October 7, 2026 by Virtual-Servers-Vps-Editor

Most VPS benchmarks fail because they compare a single run against a screenshot from a review site, on different hardware, at a different time of day. A useful benchmark instead…

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sysctl Tuning for High-Performance VPS: Kernel Parameters That Matter

Posted on August 2, 2026 by Virtual-Servers-Vps-Editor

The Linux kernel ships with conservative defaults tuned for general-purpose desktops and servers with abundant resources. On a VPS — where RAM is measured in gigabytes, network buffers are shared,…

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Swap vs zRAM on a VPS: Which Improves Performance Under Memory Pressure?

Posted on August 1, 2026 by Virtual-Servers-Vps-Editor

When a Linux VPS runs out of RAM, the kernel has two tools for buying time: disk-backed swap and zRAM. Both prevent the OOM killer from terminating your processes, but…

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I/O Scheduler Tuning on a Cloud VPS: What Moves the Needle and What Doesn’t

Posted on August 1, 2026August 18, 2026 by Virtual-Servers-Vps-Editor

If you cut your teeth on bare-metal servers, you remember the elevator tuning ritual: deadline for databases, noop for SSDs, BFQ for desktops. On a cloud VPS, that instinct mostly…

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Recent Posts

  • cgroups v2 on a VPS: Capping CPU, Memory and I/O per Service with systemdOctober 13, 2026
  • TCP BBR vs CUBIC on a VPS: A Reproducible Benchmark MethodologyOctober 13, 2026
  • Finding VPS Scheduler Latency with perf sched and bpftraceOctober 12, 2026
  • Tuning TCP Keepalive and TIME_WAIT Exhaustion on a High-Connection VPSOctober 12, 2026
  • Serving Stale Content: Nginx proxy_cache stale-while-revalidate and stale-if-errorOctober 11, 2026

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