Tutorials
Practical guides on uptime, monitoring, DRaaS, load balancing and AWS reliability from Pingy.io. Tracking an incident? See Outage Reports.
Synthetic Monitoring vs Real-User Monitoring (RUM): Choosing the Right Tool for the Job
A practical breakdown of how synthetic and real-user monitoring differ, when to use each, and how to combine them for complete visibility into your application's health.
How to Run a Disaster-Recovery Game Day
A step-by-step guide to designing, executing, and learning from a DR game day so your team knows what to do before the real incident hits.
Building a Warm-Standby Disaster Recovery Site
A practical guide to designing, provisioning, and validating a warm-standby DR environment that can take live traffic without a cold-start scramble.
Backup vs Replication vs DRaaS — What Actually Protects You
Three terms that sound interchangeable but solve completely different problems — here's how to tell them apart and know which one you actually need.
RTO vs RPO: Setting Recovery Targets That Match the Business
A practical guide to defining Recovery Time Objectives and Recovery Point Objectives that reflect what your business can actually tolerate — not just what sounds good in a DR document.
Disaster Recovery as a Service (DRaaS): A Practical Primer
What DRaaS actually is, how it differs from plain backups, and the concrete steps to evaluate and implement it for your infrastructure.
Application Load Balancer vs Network Load Balancer: Choosing Right on AWS
A practical breakdown of when to use ALB versus NLB so you pick the right tool before traffic hits production.
Why us-east-1 Fails the Most — and How to Avoid the Blast Radius
us-east-1 is AWS's oldest, busiest, and most failure-prone region — here's why that matters and what you can do to protect your systems.
Route 53 Health Checks and DNS Failover: A Step-by-Step Guide
How to configure Route 53 health checks and DNS failover so traffic automatically reroutes when your primary endpoint goes down.
Surviving an AWS AZ Failure with Multi-AZ Design
A practical guide to architecting your AWS workloads across multiple Availability Zones so a single AZ outage doesn't take your service down.
AWS Regions and Availability Zones: How to Architect Across Them
A practical guide to understanding AWS Regions and AZs, and the concrete patterns for building services that survive infrastructure failures.
Sticky Sessions: When You Need Them and When They Hurt
A practical guide to understanding session affinity in load balancers—what problems it solves, what problems it creates, and how to decide whether you actually need it.