Performance Regression Hunting with Before/After Measurements
A disciplined before/after method for finding what slowed your service down, from capturing a baseline to bisecting the changes that caused it.
Hardware & Performance9 min read
NetBay journal
Hardware & Performance
21 practical Hardware & Performance articles from Netbay Engineering — written for operators running Linux and Windows VPS in India.
21 articles in this topic
AllLinuxLinux AdministrationWindowsLinux SecurityLinux NetworkingContainersContainers & OrchestrationKubernetesCI/CDGitHubSelf-HostingBackups & DataDatabasesApp DeploymentDNS & TLSObservabilityEmailAI AgentsAI InfrastructureAPI & AutomationProxiesCloud ArchitectureHardware & PerformanceDevOps Practices
Capacity Planning for a Small Web Workload
A practical walkthrough that turns traffic forecasts into concrete CPU, RAM, and bandwidth numbers you can use to size a small web service now.
Hardware & Performance9 min read
Interrupts, NUMA and the Scheduler on a VPS
How interrupt handling, NUMA topology, and the Linux CPU scheduler behave inside a VPS, and exactly when you can realistically improve them.
Hardware & Performance7 min read
Sustained Load, Burst Capacity and CPU Credits Reality
What CPU credits and burst capacity really mean for throughput, and why sustained-load headroom matters far more than burst bragging rights.
Hardware & Performance8 min read
When to Throw Hardware at a Problem vs Optimising Software
A decision framework for whether to resize a VPS or fix the code instead, based on the actual shape of the bottleneck rather than guesswork.
Hardware & Performance7 min read
Disk I/O on a VPS: IOPS, Latency and Filesystem Tuning
How to measure IOPS and latency on virtualised solid-state storage, then tune the filesystem and block scheduler to match your access pattern.
Hardware & Performance9 min read
Optimizing Cloud VPS Performance with High-Frequency SSD Storage
Discover how dedicated CPU pinouts and enterprise SSD storage arrays yield 3x IOPS performance compared to traditional cloud VPS providers.
Hardware & Performance5 min read
Profiling Linux Code with perf and Flamegraphs
A hands-on guide to sampling CPU call stacks with perf and rendering them into flamegraphs that clearly expose the real hot functions in your code.
Hardware & Performance8 min read
Benchmarking a VPS Honestly: sysbench, iperf and Caveats
How to benchmark CPU, RAM, disk, and network on a VPS so the numbers are actually meaningful, and the common traps that make those numbers lie.
Hardware & Performance9 min read
Load Average and CPU Steal on Virtualized Hosts
Learn what load average and the Unix CPU steal column really mean on a shared VPS, and how to tell noisy neighbours from real, unavoidable demand.
Hardware & Performance6 min read
TRIM and Discard for Virtualized SSD Storage
How fstrim and the discard mount option keep a virtualized SSD from wearing out or reporting phantom usage, with the guest-side commands to verify.
Hardware & Performance5 min read
Profiling a Slow Server from First Principles, Top to Code
A repeatable drill that walks a slow VPS from the uptime command and top down to a hot function, so you fix the real bottleneck instead of chasing a symptom.
Hardware & Performance9 min read