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DevOps & SRE notes

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Helpful articles and tools for DevOps&SRE

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Showing posts older than #1940 · Back to latest

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Post #1939 2.14K
The article compares the performance characteristics of Classic and Quorum queues in RabbitMQ, highlighting their strengths and use cases. It presents benchmark results showing that Classic queues offer higher throughput and lower latency, making them suitable for high-performance applications, while Quorum queues provide better fault tolerance and durability at the cost of reduced performance, making them ideal for mission-critical systems requiring high availabilitys

https://dzone.com/articles/battle-of-the-rabbitmq-queues-performance-insights

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DZone Battle of the RabbitMQ Queues: Performance Insights on Classic and Quorum When deciding between RabbitMQ’s Classic and Quorum queues, it’s important to recognize that both have their strengths and weaknesses. Learn more here.
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Post #1937 2.07K
The authro explores the emerging trend of AI agents in the observability and monitoring space, discussing how these agents could potentially revolutionize the way operational data is processed and utilized. It highlights various startups developing AI-powered solutions for DevOps, incident response, and SRE tasks, while also addressing potential challenges such as data privacy concerns and the need for benchmarking to evaluate agent effectiveness.

https://monitoring2.substack.com/p/ai-agents-invade-observability

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Substack AI agents invade observability: snake oil or the future of SRE? The Mooster and friends would like to join your ops team: understanding what happens when generative AI agents meet observability and monitoring software.
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Post #1934 2.15K

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Post #1933 2.01K
The article discusses setting up a self-hosted full-stack observability system for startups using open-source tools, emphasizing the importance of monitoring system performance as businesses scale. It outlines key components and tools like OpenTelemetry, OpenSearch, Prometheus, and Grafana to achieve comprehensive system visibility without incurring high SaaS costs

https://osuite.io/articles/full-stack-observability-self-hosted

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osuite.io Self hosting full stack observability This article showcases the architecture of a cost-effective observability system using open-source tools, enabling startups to monitor their systems effectively without incurring high SaaS costs.
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Post #1932 2.05K
The article details Timescale's journey to optimize upsert performance on compressed hypertables in TimescaleDB, a PostgreSQL extension. It describes how the team addressed a customer's challenge with suboptimal upsert performance, ultimately achieving a 300x speed improvement by leveraging existing indexes for efficient conflict resolution during upserts on high-cardinality datasets.

https://www.timescale.com/blog/how-we-made-postgresql-upserts-300x-faster-on-compressed-data

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Tiger Data Blog How We Made Postgres Upserts 300x Faster Read how we made upsert performance 300x faster on compressed data by moving from PostgreSQL sequential scans to index scans.
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Post #1931 2.03K
Kyanos is an ebpf based networking analysis tool. It can visualize the time packets spend in the kernel, analyze requests/responses in command line, suppport various L7 protocols like HTTP/Redis/MySQL.

https://github.com/hengyoush/kyanos

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GitHub GitHub - hengyoush/kyanos: Kyanos is a networking analysis tool using eBPF. It can visualize the time packets spend in the kernel… Kyanos is a networking analysis tool using eBPF. It can visualize the time packets spend in the kernel, capture requests/responses, makes troubleshooting more efficient. - hengyoush/kyanos
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Post #1930 2.06K
A Helm plugin that uses Common Expression Language (CEL) to validate values. Instead of using JSON Schema in values.schema.json, you can write more expressive validation rules using CEL in values.cel.yaml.

https://github.com/idsulik/helm-cel

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GitHub GitHub - idsulik/helm-cel: A Helm plugin that uses Common Expression Language (CEL) to validate values. Instead of using JSON Schema… A Helm plugin that uses Common Expression Language (CEL) to validate values. Instead of using JSON Schema in values.schema.json, you can write more expressive validation rules using CEL in values.c...
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Post #1929 2.08K
The article "Using Tracetest with OpenTelemetry for Trace-based Testing" explores the concept of trace-based testing in distributed systems and introduces tools to implement this approach. It delves into the basics of distributed tracing, compares it with traditional logging methods, and demonstrates how to use OpenTelemetry for instrumentation and Tracetest for creating and running trace-based tests.

https://tracetest.io/blog/trace-based-testing-with-opentelemetry-using-tracetest-with-opentelemetry

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tracetest.io Trace-based Testing with Tracetest + OpenTelemetry | Tracetest Blog Learn the basics of distributed tracing, the differences between tracing and logging, an intro to OpenTelemetry (a set of observability tools), and an intro to Tracetest for trace-based testing.
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Post #1928 2.14K
The article "Linux LKM Persistence" explores advanced techniques for maintaining persistence on Linux systems using loadable kernel modules (LKMs). It delves into the methods of loading malicious kernel modules at boot time, focusing on the use of the systemd-modules-load service to install and hide a rootkit

https://righteousit.com/2024/11/18/linux-lkm-persistence/

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Righteous IT Linux LKM Persistence Some thoughts on how to persist your Linux LKM rootkits and some ideas for detection.
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Post #1926 1.96K

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Post #1923 2.02K
AWS RDS IAM database authentication offers a secure and efficient method for managing access to RDS instances without the need for traditional database credentials. This article explores the implementation of IAM authentication for RDS databases in an Amazon EKS environment, demonstrating how to configure and deploy this setup using Terraform for infrastructure as code.

https://rtfm.co.ua/en/aws-rds-iam-database-authentication-eks-pod-identities-and-terraform

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RTFM: Linux, DevOps, and system administration | DevOps-engineering, and system administration. Cases from practice. AWS: RDS IAM database authentication, EKS Pod Identities, and Terraform The AWS RDS IAM database overview, using Terraform for AWS EKS Pod Identities, and use Kubernetes Pod ServiceAccount to connect to RDS
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Post #1921 2.11K
Kardinal is the lightest-weight way to spin up dev and test environments in Kubernetes. Deploy the absolute minimum resources necessary and implement dev, test, and QA all in one cluster.

https://github.com/kurtosis-tech/kardinal

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GitHub GitHub - kurtosis-tech/kardinal: Kardinal is the lightest-weight way to spin up dev and test environments in Kubernetes. Deploy… Kardinal is the lightest-weight way to spin up dev and test environments in Kubernetes. Deploy the absolute minimum resources necessary and implement dev, test, and QA all in one cluster. - kurtosi...
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Post #1920 2.09K
Effective endpoint health monitoring is crucial for maintaining the reliability and performance of modern web applications and APIs. This article explores how to implement a robust health monitoring system using AWS services and Terraform, providing developers with a practical guide to ensure their endpoints remain responsive and available.


https://dev.to/wardove/endpoint-health-monitoring-with-aws-services-and-terraform-56e5

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DEV Community Endpoint Health Monitoring with AWS Services and Terraform Table of Contents Introduction Implementation via console IaC and CI/CD ...
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Post #1919 2.18K
Platform engineering has emerged as a crucial discipline in modern software development, aiming to streamline the developer experience and improve productivity across organizations. This article explores how platform engineering principles can benefit companies of all sizes, from startups to large enterprises, by creating standardized, self-service infrastructure that empowers developers to focus on building and shipping products more efficiently.

https://thenewstack.io/platform-engineering-is-for-everyone/

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The New Stack Platform Engineering Is for Everyone Developer experience shouldn’t be the only focus of your internal developer platform; driving business impact is just as important.
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