Tech Pulse Daily - December 5, 2025

Dillip Chowdary

Tech Entrepreneur & Innovator

December 5, 2025 | 7 min read

INFRASTRUCTURE ALERT

Cloudflare is experiencing its second major outage in a month. Routine maintenance in the Chicago datacenter caused widespread 500 Internal Server Errors affecting Zoom, Shopify, Zerodha, Groww, Canva, and more. Service mostly restored by 09:30 UTC but Workers issues persist.

                    
                        Today's Top Highlights
                    
                    OUTAGE: Cloudflare suffers second major outage in a month - 20% of websites affected
AWS re:Invent Finale: Werner Vogels announces his final re:Invent keynote after 14 years
AWS launches Graviton5 CPU with 192 cores and 33% lower latency
AWS Trainium3 chips deliver 4.4x higher AI training performance
AWS Lambda Durable Functions enables year-long workflow orchestration
Amazon CloudWatch adds native AI/ML observability for Bedrock agents

                

Cloudflare Down Again: Second Major Outage in a Month

Cloudflare is experiencing significant service disruptions today, marking its second major outage in just one month. The incident, which began around 08:56 UTC, stemmed from routine maintenance at the Chicago datacenter that went awry.

Root Cause: Routine maintenance in Chicago datacenter (started 07:00 UTC) with Detroit work scheduled for 09:00 UTC
Impact: Dashboard, APIs, and 500 Internal Server Errors for sites globally - 20% of all websites use Cloudflare
Affected Services: Zoom, Shopify, Zerodha Kite, Groww, Canva, QuillBot, DownDetector
Resolution: Fix rolled out by 09:30 UTC, but Workers (serverless functions) still experiencing issues

Check Cloudflare Status for real-time updates →

AWS re:Invent 2025 Finale: Werner Vogels' Last Keynote

Amazon CTO Werner Vogels delivered an emotional closing keynote at AWS re:Invent 2025, announcing it will be his final re:Invent keynote after 14 years. "After 14 re:Invents, you guys are owed young, fresh, new voices," Vogels said, though he confirmed he's not leaving the company.

Historic Moment: Vogels' 14th and final re:Invent keynote marks the end of an era
re:Invent 2025: December 1-5, 2025 in Las Vegas with massive AI-focused announcements
Key Theme: AWS positioning as AI one-stop shop with frontier agents replacing chatbots
Legacy: Vogels shaped AWS into the dominant cloud platform over two decades

Read all AWS re:Invent 2025 announcements →

AWS Graviton5 & Trainium3: Next-Gen Infrastructure

AWS unveiled two major chip announcements at re:Invent 2025: the Graviton5 CPU for general compute and Trainium3 chips for AI training, both representing significant performance leaps.

Graviton5: 192 processor cores, 33% lower inter-core latency, higher bandwidth
Trainium3: 4.4x higher performance, 4x better performance per watt vs previous gen
EC2 Trn3 UltraServers: Native PyTorch integration for frontier-scale AI model training
Target Use Cases: Enterprise compute, AI training, and model serving at scale

Deep dive into AWS AI infrastructure announcements →

AWS Lambda Durable Functions: Year-Long Workflows

AWS announced Lambda Durable Functions, a game-changing capability for building long-running serverless applications that can orchestrate workflows for up to one year without paying for idle time.

Duration: Coordinate multi-step workflows from seconds to up to one year
Cost Efficiency: No charges for idle compute time when waiting for events or human decisions
Use Cases: Long-running approval workflows, scheduled tasks, event-driven pipelines
Developer Impact: Simplifies complex state management in serverless architectures

Explore AWS Cloud Operations announcements →

CloudWatch Now Offers Native AI/ML Observability

Amazon CloudWatch now provides comprehensive observability for generative AI applications and agents, offering built-in insights into latency, token usage, and errors across your entire AI stack.

Integration: Works seamlessly with Amazon Bedrock AgentCore
Framework Support: Compatible with LangChain, LangGraph, CrewAI, and other agentic frameworks
Metrics: Latency, token usage, error rates, and custom AI-specific metrics
Developer Benefit: Debug and optimize AI agents with production-grade observability

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