Telstra’s Time Sync Outage, DoorDash’s 1.5M RPS Cache, Stateless MCP, GitHub and PyPI Supply Chain Delays, and Why the Quietest Infrastructure Often Has the Biggest Blast Radius

Telstra’s Time Sync Outage, DoorDash’s 1.5M RPS Cache, Stateless MCP, GitHub and PyPI Supply Chain Delays, and Why the Quietest Infrastructure Often Has the Biggest Blast Radius

Author: Teller's Tech - DevOps, SRE and Cloud Podcast July 31, 2026 Duration: 16:57

This week on Ship It Weekly: Telstra’s mobile network jumped back to 2006 after a timing device restarted with the wrong date, disrupting calls, data sessions, and hundreds of emergency calls.

DoorDash explains how Entity Cache, built with Envoy and Valkey, handles more than 1.5 million requests per second and uses stale-data policies, invalidation, and fallback behavior as a reliability layer.

The latest MCP release candidate removes protocol-level sessions, making servers easier to scale behind ordinary load balancers while leaving teams responsible for authentication, tracing, retries, rate limits, and application state.

GitHub and PyPI are also adding friction to package automation. Dependabot now delays routine updates by three days, while PyPI blocks new files from releases older than 14 days.

Links

Telstra outage https://www.telstra.com.au/exchange/our-mobile-network-outage-has-been-resolved-heres-what-happened

DoorDash Entity Cache https://careersatdoordash.com/blog/high-performance-proxy-cache-for-doordash-services/

MCP specification release candidate https://blog.modelcontextprotocol.io/posts/2026-07-28-release-candidate/

Dependabot package cooldown https://github.blog/changelog/2026-07-14-dependabot-version-updates-introduce-default-package-cooldown/

PyPI release-file restrictions https://blog.pypi.org/posts/2026-07-22-releases-now-reject-new-files-after-14-days/

Amazon ECS Action Logs https://aws.amazon.com/about-aws/whats-new/2026/07/amazon-ecs-action-logs/

Network Load Balancer listener rules https://aws.amazon.com/about-aws/whats-new/2026/07/aws-network-load-balancer-supports-listener-rules/

Amazon Managed Prometheus limits https://aws.amazon.com/about-aws/whats-new/2026/07/amazon-managed-service-prometheus-1500m-metrics-workspace/

PixelSmash in FFmpeg https://jfrog.com/blog/pixelsmash-critical-ffmpeg-vulnerability-turns-media-files-into-weapons/

SRE Weekly Issue 527 https://sreweekly.com/sre-weekly-issue-527/

This week’s On Call Brief https://www.tellerstech.com/on-call-brief-news/2026-W31/

More episodes https://shipitweekly.fm/


For anyone building or running modern systems, the sheer volume of news, tools, and incident reports can be overwhelming. Ship It Weekly cuts through that noise. This isn't a surface-level scan of headlines. Host Brian Teller digs into the latest significant outages, major software releases, and insightful post-mortems, focusing squarely on the practical implications for DevOps, SRE, and platform engineering work. Each episode of the podcast breaks down a couple of key stories, providing the crucial context often missing from tech news. You'll hear analysis that translates events into actionable insights, answering the "so what?" for your own infrastructure and processes. The show also includes a quick rundown of tools or updates actually worth your attention, saving you hours of browsing. The tone is direct and informed, favoring depth over breadth. It’s designed for engineers and technical leaders who need a concise, reliable filter for the week's most relevant developments. Listen to this podcast for a focused recap that prioritizes what actually matters, delivered without fluff. You get the news, plus the necessary interpretation to understand how it might affect your systems, your team, and your on-call rotation. It's a weekly briefing that respects your time while aiming to make you more effective.
Author: Language: English Episodes: 50

Ship It Weekly - DevOps, SRE, Platform and Cloud Engineering News
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