Deploying a Zero-Disruption Cloud Warehouse in 100 Days

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Deploying a Zero-Disruption Cloud Warehouse in 100 Days

INDUSTRY

  • Telecommunications

TECH STACK

  • AWS S3 · Glue Crawler · Athena
  • AWS Step Functions · Lambda
  • Amazon EventBridge · SNS · SQS
  • Amazon CloudWatch
  • Datadog · ELK Stack
  • Slack (Alerting)
  • GitHub Actions (CI/CD)

SCOPE OF WORK

  • Automated end-to-end data pipelines across S3, Glue Crawler, Athena, Step Functions, and Lambda with zero manual hops
  • Comprehensive monitoring and alerting via CloudWatch, ELK, and Datadog with Slack-routed notifications
  • Integrated notification architecture using EventBridge, SNS, and SQS for retries and decoupled alert handling
  • Dynamic Lambda functions to transform Athena outputs and stream to Datadog and S3 in near real-time
  • CI/CD pipeline via GitHub Actions with generic payload templates for consistent deployments
  • Zero-disruption migration of Athena workflows while maintaining dashboard availability

Key Highlights

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100-Day Delivery

Cloud warehouse and price-elasticity engine built and deployed in 100 days, delivering real-time operational insight across AWS and partner tools without disrupting live services.

Fully Automated Pipelines

End-to-end data flow across S3, Glue Crawler, Athena, Step Functions, and Lambda with zero manual hops, replacing batch reports with live dashboards for faster decision-making.

Multi-Tool Observability

Metrics and logs flow seamlessly to CloudWatch, ELK, and Datadog with CloudWatch Alarms routing priority alerts directly to Slack, cutting detection-to-action time by 40%.

Zero-Disruption Migration

Athena workflows migrated while dashboards stayed fully available, ensuring continuous operational visibility with no downtime or data gaps during the transition.

Challenges

The client, a global telecommunications company operating 23M+ public WiFi hotspots and serving 31.5M broadband customers, needed real-time insight across its AWS infrastructure and partner tools without risking live services. The existing monitoring and data architecture presented three core operational challenges:

Batch Reporting with No Live Visibility

Operations teams relied on periodic batch reports rather than live dashboards. This delay meant leaders could not see issues early or act on them in time, creating blind spots across the network’s real-time performance.

Manual Data Handoffs & Fragmented Flows

Results from monitoring and analytics workflows were transferred manually to downstream systems and audit stores. This manual work introduced errors, created bottlenecks, and made it difficult to maintain clean, consistent records at scale.

Slow Incident Detection & Response

Without automated, priority-routed alerting, critical issues were not reaching the right teams fast enough. Detection-to-action time was too long, increasing the risk of prolonged service disruptions across the company’s massive network footprint.

Migration Risk to Live Services

Any modernization of the data and monitoring infrastructure had to be executed without disrupting live services. The scale of operations-64M institutions on the network footprint-meant even brief downtime could have outsized impact.

Our Solution

Inferenz built a cloud warehouse and price-elasticity engine in 100 days, delivering real-time operational insight across the client’s AWS and partner tools without risking live services. The solution consisted of the following components:

Automated Pipelines
S3, Glue Crawler, Athena, Step Functions, and Lambda run end-to-end with zero manual hops. This replaced fragmented batch processes with a seamless, fully automated data flow that delivers results directly to monitoring systems and an audit store.

Comprehensive Monitoring & Alerts
Metrics and logs flow to CloudWatch, ELK, and Datadog, providing multi-layered observability across the infrastructure. CloudWatch Alarms route priority notifications to Slack, giving operations teams immediate visibility into issues as they emerge.

Integrated Notifications
EventBridge, SNS, and SQS coordinate retries and decoupled alert handling, ensuring that critical notifications reach the right teams reliably. This architecture eliminated single points of failure in the alerting chain and supported graceful degradation under load.

Dynamic Lambda Functions
Purpose-built Lambda functions transform Athena query outputs and stream the results to Datadog and S3 in near real-time. This enabled live dashboards to replace static batch reports, giving leaders the ability to see issues early and act faster.

CI/CD & Reusability
GitHub manages generic payload templates and GitHub Actions automate consistent deployments across environments. This standardized approach reduced deployment friction, minimized configuration drift, and ensured repeatable, reliable releases.

Impact Delivered

Zero-Disruption Migration

Athena workflows moved while dashboards stayed fully available, ensuring no downtime or data gaps.

60% Lower Manual Effort

Automated transfers and dashboards replaced manual handoffs across monitoring and audit workflows.

40% Faster Incident Response

Slack-routed priority alerts cut detection-to-action time across operations teams.

100-Day Delivery

End-to-end cloud warehouse and monitoring platform, built and deployed in 100 days.

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