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DevOps & SRE notes

DevOps & SRE notes

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Helpful articles and tools for DevOps&SRE WhatsApp: https://whatsapp.com/channel/0029Vb79nmmHVvTUnc4tfp2F For paid consultation (RU/EN), contact: @tutunak All ways to support https://telegra.ph/How-support-the-channel-02-19

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πŸ“ˆ Analytical overview of Telegram channel DevOps & SRE notes

Channel DevOps & SRE notes (@devops_sre_notes) in the English language segment is an active participant. Currently, the community unites 12 643 subscribers, ranking 10 049 in the Technologies & Applications category and 2 983 in the USA region.

πŸ“Š Audience metrics and dynamics

Since its creation on Π½Π΅Π²Ρ–Π΄ΠΎΠΌΠΎ, the project has demonstrated rapid growth, gathering an audience of 12 643 subscribers.

According to the latest data from 09 June, 2026, the channel demonstrates stable activity. Although there has been a change in the number of participants by 229 over the last 30 days and by 5 over the last 24 hours, overall reach remains high.

  • Verification status: Not verified
  • Engagement rate (ER): The average audience engagement rate is 18.34%. Within the first 24 hours after publication, content typically collects 4.83% reactions from the total number of subscribers.
  • Post reach: On average, each post receives 2 317 views. Within the first day, a publication typically gains 610 views.
  • Reactions and interaction: The audience actively supports content: the average number of reactions per post is 3.
  • Thematic interests: Content is focused on key topics such as kubernete, cluster, author, engineering, monitoring.

πŸ“ Description and content policy

The author describes the resource as a platform for expressing subjective opinions:
β€œHelpful articles and tools for DevOps&SRE WhatsApp: https://whatsapp.com/channel/0029Vb79nmmHVvTUnc4tfp2F For paid consultation (RU/EN), contact: @tutunak All ways to support https://telegra.ph/How-support-the-channel-02-19”

Thanks to the high frequency of updates (latest data received on 10 June, 2026), the channel maintains relevance and a high level of publication reach. Analytics show that the audience actively interacts with content, making it an important point of influence in the Technologies & Applications category.

12 643
Subscribers
+524 hours
+607 days
+22930 days
Posts Archive
A terminal OpenTelemetry viewer inspired by otel-desktop-viewer https://github.com/ymtdzzz/otel-tui

This dispatch explores how eBPF maps can be used to synchronize state across multiple nodes in a Kubernetes cluster. It delves into the technical details of leveraging this capability for advanced networking and observability. https://medium.com/all-things-ebpf/ebpf-maps-state-synchronization-across-multi-node-kubernetes-cluster-d0c075810fa7

Gergely Orosz's story offers a look inside the engineering culture at Bluesky, the decentralized social media platform. He explores how a small, autonomous team is working to build a viable alternative to established networks. https://newsletter.pragmaticengineer.com/p/bluesky-engineering-culture

Slim(toolkit): Don't change anything in your container image and minify it by up to 30x (and for compiled languages even more) making it secure too! (free and open source) https://github.com/slimtoolkit/slim

Kubernetes performance and scale test orchestration framework written in golang https://github.com/kube-burner/kube-burner

Anvesh Muppeda provides a hands-on analysis of Kubernetes Endpoints and their modern, more scalable counterpart, EndpointSlices. The content uses practical examples to explain their crucial role in Kubernetes service discovery. https://medium.com/@muppedaanvesh/a-hands-on-guide-to-kubernetes-endpoints-endpointslices-%EF%B8%8F-1375dfc9075c

This report demystifies the frequently misunderstood metric of Mean Time to Resolution (MTTR). It clearly defines the four key "mean time" metrics and outlines their significance within a DevOps framework. https://www.causely.ai/blog/mttr-meaning

Chaos and resiliency testing tool for Kubernetes with a focus on improving performance under failure conditions. A CNCF sandbox project. https://github.com/krkn-chaos/krkn

Kepler (Kubernetes-based Efficient Power Level Exporter) is a Prometheus exporter that measures energy consumption metrics at the container, pod, and node levels in Kubernetes clusters. https://github.com/sustainable-computing-io/kepler

This commentary from Mercari Engineering outlines their strategy for a zero-downtime database migration. It is the first part in a series, focusing on the initial design for achieving strong data consistency. https://engineering.mercari.com/en/blog/entry/20241113-designing-a-zero-downtime-migration-solution-with-strong-data-consistency-part-i/

The concept of observability in Kubernetes is more nuanced than it might first appear. This essay argues for a deeper understanding of the unique challenges and requirements for observing applications on the platform. https://itnext.io/observability-is-not-equal-observability-in-kubernetes-1b79c4b8dc4c

Kubernetes-like control planes for form-factors and use-cases beyond Kubernetes and container workloads. https://github.com/kcp-dev/kcp

A Kubernetes web UI that is fully-featured, user-friendly and extensible https://github.com/kubernetes-sigs/headlamp

Ensuring messages are delivered in the correct sequence is a critical aspect of any chat application. This tutorial from Ably explores the architectural patterns required to achieve reliable message ordering at scale. https://ably.com/blog/chat-architecture-reliable-message-ordering

In his recent post, Peter Szasz addresses the topic of imposter syndrome for new engineering managers. He offers personal insights and practical advice for navigating this common hurdle when transitioning into a leadership role. https://peterszasz.com/managing-impostor-syndrome-as-a-new-engineering-manager/

🧹 Cleaning up images from Kubernetes nodes https://github.com/eraser-dev/eraser

🧡 CLI tool for directly patching container images! https://github.com/project-copacetic/copacetic

This guide provides a structured methodology for managing Terraform on AWS using the concept of "stacks." It demonstrates how to organize code for better reusability and maintainability across different environments. https://mattias.engineer/blog/2024/terraform-stacks-aws/

Marcin Cuber's piece tackles the common challenge of managing etcd database size in Amazon EKS. The author provides actionable advice and commands for diagnosing and fixing issues related to database bloat. https://marcincuber.medium.com/amazon-eks-managing-and-fixing-etcd-database-size-b6fb875888cb

Managing your Kubernetes clusters (including public, private, edge, etc.) as easily as visiting the Internet https://github.com/clusternet/clusternet