Bufstream 0.1.0 (28 minute read)
Bufstream is a Kafka-compatible system that uses object storage like S3. This report highlights five issues with the system, such as stuck consumers/producers and data loss, that were resolved in version 0.1.3. It also points out unresolved Kafka transaction problems impacting Kafka, Bufstream, and similar systems, including unclear transaction documentation and issues with message ordering causing data loss and torn transactions. The report calls for Kafka protocol fixes and improved documentation for safer use of such systems.
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How eBPF makes observability awesome (13 minute read)
This blog post discusses eBPF, a technology that enhances observability by allowing programs to be dynamically loaded into the Linux kernel without crashing it, thus improving system performance and security. It highlights Grafana Beyla, an open-source tool that utilizes eBPF for application observability, enabling automatic instrumentation of applications without code modification.
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Why Falco's new response engine is a game changer for open source cloud native security (5 minute read)
Falco's recent updates, including the new Talon response engine and integrations with Prometheus and Kubernetes, significantly enhance its threat detection and response capabilities in cloud-native environments. With added support for various data sources, automatic driver selection, and a new Rust SDK for plugin development, Falco continues to expand its reach and improve performance for its large user base.
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ElectricEye (GitHub Repo)
ElectricEye is a Python CLI tool that provides multi-cloud and multi-SaaS asset management, security posture management, and attack surface monitoring. It offers comprehensive evaluations and controls mapped to over 20 industry frameworks to enhance cloud service provider and SaaS environments.
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Policy Sentry (GitHub Repo)
Policy Sentry is a tool that simplifies the creation of security-focused IAM policies by generating least-privilege configurations for AWS resources efficiently, reducing manual effort and enhancing security through automated policy management.
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Build vs Buy: Should You Build or Buy a Kubernetes Platform? (3 minute read)
Kubernetes is increasingly favored for managing containerized applications, with many organizations planning to transition their workloads to it. Companies face a choice between building an in-house Kubernetes platform for greater control and customization or purchasing a managed solution to expedite deployment and reduce operational burdens.
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What I Wish Someone Told Me About Postgres (14 minute read)
This guide offers practical tips for using PostgreSQL. It covers data normalization, handling NULLs, indexing, and avoiding common pitfalls like locks and long transactions. The guide emphasizes following PostgreSQL guidelines, optimizing psql configuration, and using JSONB carefully. Its goal is to simplify PostgreSQL for developers with concise, actionable advice.
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When to Use Cosmos DB (14 minute read)
Azure Cosmos DB is a powerful, flexible, and globally distributed database solution ideal for use cases needing document storage, hands-off scalability, and multiple consistency models, but at a higher cost compared to other databases like DynamoDB or MongoDB.
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Kunal Desai & Martin Hauskrecht
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