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SLOs vs SLAs vs SLIs: SRE metrics simplified

Introduction  In the realm of Site Reliability Engineering (SRE), three key terms frequently come into play: SLOs, SLAs, and SLIs. But what do these acronyms really signify, and how are they interconnected? Too often, explanations are overly complex or lacking in clarity. This guide aims to simplify the conversation by providing a straightforward, actionable overview of these essential metrics, complete with real-world examples and best practices. By the end, you'll know: What SLAs, SLOs, and SLIs are (and how they differ) How to set realistic SLOs without hurting your team What are the biggest mistakes companies make (and how to avoid them) How Google, Netflix, and Uber use these metrics 1. The Restaurant Analogy: Understanding SLA vs SLO vs SLI Scenario: Running a Pizza Delivery Service SLA (Service Level Agreement) Your promise to customers: "30-minute delivery or it's free" Binding contract with financial penalties Customer-facing metric SLO (Service Level Ob...
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Which AWS consultants offer AI-driven cloud optimization?

Launching a new app for your startup on AWS can truly feel like an exhilarating adventure. The platform offers scalable infrastructure, robust availability, and a broad range of powerful services to support your success. However, just when you think everything is running smoothly, a concerning trend might emerge: your cloud expenses are climbing faster than your user growth. What’s behind this spike? Often, it’s the unexpected AWS data transfer costs . While AWS provides many benefits, many teams fail to recognize the hidden costs linked to moving data between services, across regions, or over the internet. If you’re not vigilant, these expenses can quickly add up, putting a strain on your cloud budget and potentially hindering your growth plans down the line. This blog post aims to shed light on AWS data transfer pricing, addressing common hurdles organizations face while offering actionable strategies to optimize cloud spending and manage your AWS expenses more effectively. Understan...
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How to Turn CloudWatch Logs into Real-Time Alerts Using Metric Filters

Why Alarms Matter in Cloud Infrastructure   In any modern cloud-based architecture , monitoring and alerting play a critical role in maintaining reliability, performance, and security.   It's not enough to just have logs—you need a way to act on those logs when something goes wrong. That's where CloudWatch alarms come in.   Imagine a situation where your application starts throwing 5xx errors, and you don't know until a customer reports it. By the time you act, you've already lost trust.   Alarms prevent this reactive chaos by enabling proactive monitoring—you get notified the moment an issue surfaces, allowing you to respond before users even notice.   Without proper alarms:   You might miss spikes in 4xx/5xx errors.   You're always proactive instead of reactive .   Your team lacks visibility into critical system behavior.   Diagnosing issues becomes more difficult due to a lack of early signals.   Due to all the reasons Above, th...
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