North
Kubernetes Rescue & Cloud Migration
North is a comprehensive infrastructure rescue and cloud migration project for a growing web service experiencing frequent memory pressure incidents and deployment downtime.
System stability & uptime achieved post-migration
The Challenge
Unmanaged container sprawl, misconfigured ingress routing, missing health probes, and unbounded resource limits caused sporadic pod crashes and service degradation during peak customer usage hours.
Our Approach
Rezint Tech conducted a deep root-cause infrastructure audit, redesigned the Kubernetes cluster architecture with strict resource requests/limits, implemented zero-downtime rolling deploys, and set up comprehensive Prometheus/Grafana observability.
Key Engineering Deliverables
Cluster-wide audit of pod resource limits, container memory leak profiling, and node autoscaling.
Blue/green deployment pipeline preventing staging changes from impacting live traffic.
Automated horizontal pod autoscaling (HPA) responding dynamically to inbound request spikes.
Alertmanager integration with instant PagerDuty and Slack escalation routing.
Demonstrated Results
Attained 99.98% service level objective (SLO) uptime across all customer-facing endpoints.
Zero-downtime deployment pipelines eliminating scheduled maintenance windows.
30% reduction in unneeded cloud compute resources through right-sized pods.
Technologies Utilized
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