CCheckNumber·6d agoThe Identity Resolution Paradox: Handling Shared Phone Numbers in CRM ArchitecturesMerging contacts based on a shared phone number often destroys critical relationship metadata; developers should implement a 'household' or 'entity' abstraction layer instead of destructive deduplication.6 min read·checknumberofficial.hashnode.dev
TTgValidator·6d agoManaging Identity Drift in Messaging-Based Contact SystemsWhen user-controlled identifiers like usernames change, automated systems often break; the solution is to implement a reconciliation layer that flags mismatches for manual review rather than performing destructive updates.5 min read·tgvalidator.hashnode.dev
ZZyVOP·Nov 4Redis Caching Patterns: Cache-Aside, Write-Through and the Stampede ProblemHow common Redis caching patterns work, where they fail, and how to prevent cache stampedes, with runnable Python examples and reproducible simulations.26 min read·blog.zyvop.com
DDoogal Simpson·Oct 31Transactional Outbox Pattern: Fix Dual WritesFix distributed dual-write inconsistencies in microservices using the Transactional Outbox Pattern to guarantee reliable, at-least-once event delivery.4 min read·doogal.dev
TTgValidator·Oct 29Architecting Stable Identity Mapping for Messaging IntegrationsRelying on mutable identifiers like usernames or phone numbers for database keys leads to data fragmentation; developers must prioritize immutable numeric identifiers for long-term state management.6 min read·tgvalidator.hashnode.dev
ZZyVOP·Oct 29Caching Strategies Compared: Cache-Aside, Write-Through, and Write-BehindHow each pattern moves data between your app, cache, and database, and how to pick the right one for your read/write mix.5 min read·blog.zyvop.com2
ZZyVOP·Oct 26Rate Limiting Algorithms: How to Protect Your API Without Annoying Your UsersHow fixed windows, sliding windows, token buckets and leaky buckets work, where each one breaks, and how to pick the right one for your API.11 min read·blog.zyvop.com110MCZ
DDipen Shah·Oct 25The Fortress of Geography: How Spatial Networks and 2D Grids Shield Cooperation from ParasitesThe Dilemma Experiment — Episode 5: Spatial Networks & Network Topologies8 min read·techecho.hashnode.dev
DDoogal Simpson·Oct 24How Netflix Architecture Works: AWS & Open Connect CDNExplore Netflix's hybrid architecture: how AWS handles control plane logic while Open Connect Appliances pre-cache video streams inside ISP networks.4 min read·doogal.dev
AAnonymous·Oct 23Your System Design Looks Fine on a Whiteboard. Until Traffic Hits.Explore how traffic spikes, cache failures and database bottlenecks affect system design, with practical examples and hands-on experiments.4 min read·stackmonkey.hashnode.dev
