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🔗 Stories, Tutorials & Articles |
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Scaling Nextdoor’s Datastores |
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Nextdoor took on database scalability like a pro. They dynamically routed queries to read replicas and kept cache consistency tight, even while yanking the carpet out with schema changes. Multi JOINs blocked their move to distributed SQL like annoying roadblocks. But Nextdoor, the sly foxes, extended their lead by slicing off foreign-key shackles and outsmarting query routing. They bought precious time before slamming into the monolithic database ceiling. |
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Bicep vs. Terraform - Differences & Key Features Comparison |
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Bicep, born from the heart of Azure, untangles the knotty ARM JSON mess. It delivers developer zen with its modular magic and ditches the hassle of state files. Meanwhile, Terraform swaggers across clouds, flaunting its multicloud prowess, a spirited community, and integrations that slip together like puzzle pieces. |
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The Post-Developer Era |
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AI crafts 25% of Google's code while human developers orchestrate the symphony, molding and refining the AI's raw outputs. These AI tools "boost," they don't "replace," the seasoned artisans of code. Startups peddling the AI-only coding pipe dream tend to implode, tripped up by unanticipated hurdles. While AI inches forward, human expertise stands firm, untouchable. |
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When Do Retry, Backoff, and Jitter Work? |
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Retries, meet your nemesis: server overload. Just hammering the "try again" button doesn’t solve it. Enter exponential backoff and jitter, the dynamic duo for taming sudden traffic spikes. But don’t pop the champagne just yet. When fresh requests keep pushing past capacity, this strategy crumbles, revealing the ugly truth—it’s no silver bullet for scaling woes. |
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Measure risk probability in IAM |
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AWS actions don't always pick up list capabilities from resource types automatically. You'll often find yourself manually specifying list actions, which throws a wrench into Attribute-Based Access Control (ABAC) plans. AWS docs on dependency themes like PassRole? Incomplete at best. Cue the unexpected failures. In the security scene, overstuffed IAM Roles, particularly when mixing federated users and Infrastructure as Code (IaC), present a hacker's dream. Precise trust policies become your holy grail. Hedging these threats? Not optional. |
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Building a resilient DNS client for web-scale infrastructure ✅ |
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DCL flips DNS on its head with adaptive timeouts, exponential backoff, and real-time config updates. Result? Downtime hits the floor, fault tolerance flexes its muscles. DNS visibility and client-side metrics accelerate alert sharpness, fine-tune infrastructure tweaks, and kick old-school limits to the curb across LinkedIn’s domain. |
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AWS Well-Architected Framework: Performance Efficiency Pillar |
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The AWS Well-Architected Framework's Performance Pillar champions nimble, cloud-native and serverless-first approaches. These tactics help systems pivot like a ballerina, dodge vendor lock-in, and slash costs. With Wardley Mapping, gain clarity. Prioritize flexibility. Ditch the shackles of hard-coded solutions. |
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BPF or How I Learned to Stop Worrying and Love the Kernel |
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eBPF lets you safely unleash custom C programs inside the Linux kernel. No more messing with kernel modules or courting system crashes. Think of it as your eagle-eyed watchman for events. Thanks to Compile Once, Run Everywhere (Co-Re), you streamline the operation, keeping your kernel as panic-proof as a monk in a meditation retreat. |
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Linux Detection Engineering - A Sequel on Persistence Mechanisms |
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PANIX turns the tangled web of Linux persistence and Process Capabilities on its head. It makes them as easy to test as flipping a light switch—and sharpens your detection game along the way. |
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Sending Emails with MCP and Azure Communication Services |
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MCP struts onto the scene as the new AI-comms rockstar. Now featured in GitHub Copilot, it turns email automation with Azure Communication Services into a walk in the park. |
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Lurking Variables: How Hidden Factors Can Mislead Your Analysis |
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NebuloSky's VM panic spike: not a botched kernel rollout, but the chaos of adding 1,000,000 platform Y VMs. Classic lurking variable mistake. Pro tip from Gen Z's crystal ball: dissect data by potential influences to sidestep this mess next time. |
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Serverless Is a Lie (But It’s Still Useful) |
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ECS Fargate dominates 24/7 stateless APIs, dodging those pesky Lambda cold starts. Meanwhile, Lambda thrives in event-driven bursts but hits a 15-minute ceiling. For lean, mean APIs with built-in auth, lean towards API Gateway. But if speed matters, marry Fargate with an App Load Balancer. Step Functions streamline multi-step processes with state machines. Yet, don't overcomplicate—often a simple Lambda does the trick. |
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