Resilience
8 items across 1 section
Chaos Engineering on AWS: Database Resilience with Aurora Failover, RDS Proxy, and Read/Write Separation
Force an Aurora failover with AWS FIS and watch your application break. Then fix it with RDS Proxy, read/write separation, and retry logic. Real Terraform code, real experiment results.
Chaos Engineering on AWS: Graceful Degradation with Circuit Breakers, SQS, and a DynamoDB Cache
When the database is completely gone, RDS Proxy and retries cannot help. Survive an extended Aurora outage with a circuit breaker, a DynamoDB read cache, and SQS write buffering. Real Terraform, real outage, real numbers.
Chaos Engineering on AWS: CPU, Memory, and Network Faults with AWS FIS and SSM
Inject CPU stress, memory pressure, network latency, and packet loss into a whole EC2 fleet with AWS FIS. Watch network faults turn a healthy service into 7-second page loads while every error dashboard stays green. Real Terraform, real numbers.
Chaos Engineering on AWS: Surviving an Availability Zone Failure with FIS and Static Stability
Take down an entire Availability Zone with AWS FIS: stop every instance in it, blackhole its subnet, and fail Aurora over. See whether a multi-AZ architecture really survives, and the roughly two-minute window that static stability does not erase.
Chaos Engineering on AWS: Dependency and API Faults with FIS
Sever the DynamoDB and S3 endpoints an application quietly depends on, using AWS FIS, and watch whether one dependency outage stays contained or takes the whole app down. Real Terraform, real per-endpoint numbers.
Chaos Engineering on AWS: Containers and Serverless with FIS (ECS Fargate and Lambda)
Leave EC2 behind. Stop a whole Fargate task set and force AWS Lambda invocations to error and to stall, using AWS FIS. Real Terraform, real numbers, and the exact setup gotchas for the Lambda fault-injection extension.
Chaos Engineering on AWS: Multi-Region Disaster Recovery and Measuring Real RPO
Stop talking about disaster recovery and measure it. Pause DynamoDB global table replication with AWS FIS while a live two-Region application keeps writing, then count exactly how many records the surviving Region cannot see. Real Terraform, real RPO, real recovery time.
Chaos Engineering on AWS: Running a Program with GameDays and Continuous Chaos
One experiment is a demo. A program is what builds resilience. Turn FIS experiments into an ongoing practice: the resilience flywheel, GameDays, continuous automated chaos on a schedule and in CI/CD, and AWS Resilience Hub. Includes a real, validated EventBridge Scheduler setup and the jsonencode gotcha that makes a recurring schedule silently run only once.
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