--- title: Things that I Only Learned After Scaling: Non-Obvious... description: A collection of 15 hard-won production lessons that only become apparent when systems scale beyond toy workloads. Topics covered include: retries causing... canonical: https://daily.dev/posts/things-that-i-only-learned-after-scaling-non-obvious-lessons-from-production-l1nb2kxhd twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Things that I Only Learned After Scaling: Non-Obvious Lessons from Production | daily.dev og:description: A collection of 15 hard-won production lessons that only become apparent when systems scale beyond toy workloads. Topics covered include: retries causing... og:url: https://daily.dev/posts/things-that-i-only-learned-after-scaling-non-obvious-lessons-from-production-l1nb2kxhd og:image: https://api.daily.dev/og/posts/L1nB2kXhd.png og:image:alt: Things that I Only Learned After Scaling: Non-Obvious Lessons from Production og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Things that I Only Learned After Scaling: Non-Obvious Lessons from Production **[Faun](https://daily.dev/sources/faun)** · 4 min read · 0 upvotes · 0 comments ## Summary A collection of 15 hard-won production lessons that only become apparent when systems scale beyond toy workloads. Topics covered include: retries causing thundering herds without backoff and jitter, verbose logging becoming a bottleneck, hidden statefulness in supposedly stateless services, the importance of load balancer connection draining, partial failures being the norm, shared resource contention, misleading metrics without context, tail latency sources like DNS and TLS, feature flags for instant rollback, reversible deploys, DNS as a single point of failure, alerting on symptoms vs root causes, untested failover paths, automating recovery to reduce MTTR, and tech debt multiplying with headcount. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [When Reverse Proxies Surprise You: Hard Lessons from Operating at Scale](https://daily.dev/posts/when-reverse-proxies-surprise-you-hard-lessons-from-operating-at-scale-fgvbclqmo) · InfoQ · 0 upvotes · 0 comments --- Tags: [#observability](https://daily.dev/tags/observability), [#distributed-systems](https://daily.dev/tags/distributed-systems) [View this post on daily.dev](https://daily.dev/posts/things-that-i-only-learned-after-scaling-non-obvious-lessons-from-production-l1nb2kxhd) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"Things that I Only Learned After Scaling: Non-Obvious Lessons from Production","url":"https://daily.dev/posts/things-that-i-only-learned-after-scaling-non-obvious-lessons-from-production-l1nb2kxhd","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/things-that-i-only-learned-after-scaling-non-obvious-lessons-from-production-l1nb2kxhd"},"datePublished":"2026-03-17T17:55:34.514Z","dateModified":"2026-03-17T17:56:02.639Z","description":"A collection of 15 hard-won production lessons that only become apparent when systems scale beyond toy workloads. 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