--- title: Why Your Sidekiq Jobs Are Slower Than You Think, and How... description: Sidekiq jobs often run slower than expected due to N+1 queries, missing database indexes, synchronous HTTP calls, oversized job payloads, Redis inefficiencies,... canonical: https://daily.dev/posts/why-your-sidekiq-jobs-are-slower-than-you-think-and-how-appsignal-fixes-that-rzk9tpqvs twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Why Your Sidekiq Jobs Are Slower Than You Think, and How AppSignal Fixes That | daily.dev og:description: Sidekiq jobs often run slower than expected due to N+1 queries, missing database indexes, synchronous HTTP calls, oversized job payloads, Redis inefficiencies,... og:url: https://daily.dev/posts/why-your-sidekiq-jobs-are-slower-than-you-think-and-how-appsignal-fixes-that-rzk9tpqvs og:image: https://api.daily.dev/og/posts/rZk9TPQVS.png og:image:alt: Why Your Sidekiq Jobs Are Slower Than You Think, and How AppSignal Fixes That 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. # Why Your Sidekiq Jobs Are Slower Than You Think, and How AppSignal Fixes That **[AppSignal](https://daily.dev/sources/appsignal)** · 8 min read · 0 upvotes · 0 comments ## Summary Sidekiq jobs often run slower than expected due to N+1 queries, missing database indexes, synchronous HTTP calls, oversized job payloads, Redis inefficiencies, retry storms, and host-level resource spikes. Each issue is explained with code context and demonstrated through AppSignal's performance dashboards, which surface slow queries, job timelines, Redis traces, retry/dead job counts, and host metrics — helping developers pinpoint bottlenecks without manually digging through code. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [Monitoring Sidekiq Job Performance with AppSignal](https://daily.dev/posts/monitoring-sidekiq-job-performance-with-appsignal-jwujumddn) · RUBYLAND · 0 upvotes · 0 comments - [Finding the Slow Query Killing Your Rails App](https://daily.dev/posts/finding-the-slow-query-killing-your-rails-app-49xhuplt1) · AppSignal · 0 upvotes · 0 comments - [Debugging Slow Ecto Queries with AppSignal](https://daily.dev/posts/debugging-slow-ecto-queries-with-appsignal-xq0m3dapr) · AppSignal · 1 upvotes · 0 comments --- Tags: [#ruby](https://daily.dev/tags/ruby), [#redis](https://daily.dev/tags/redis) [View this post on daily.dev](https://daily.dev/posts/why-your-sidekiq-jobs-are-slower-than-you-think-and-how-appsignal-fixes-that-rzk9tpqvs) ```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":"Why Your Sidekiq Jobs Are Slower Than You Think, and How AppSignal Fixes That","url":"https://daily.dev/posts/why-your-sidekiq-jobs-are-slower-than-you-think-and-how-appsignal-fixes-that-rzk9tpqvs","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/why-your-sidekiq-jobs-are-slower-than-you-think-and-how-appsignal-fixes-that-rzk9tpqvs"},"datePublished":"2026-07-27T11:04:51.071Z","dateModified":"2026-07-27T11:05:22.596Z","description":"Sidekiq jobs often run slower than expected due to N+1 queries, missing database indexes, synchronous HTTP calls, oversized job payloads, Redis inefficiencies,...","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/2d5842bf9d7766bf197f677cfed87134?_a=AQAEuop","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/2d5842bf9d7766bf197f677cfed87134?_a=AQAEuop","isAccessibleForFree":true,"articleSection":"AppSignal","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"AppSignal","logo":"https://media.daily.dev/image/upload/t_logo,f_auto/v1/logos/60b55a8dfc5448bd9daad08aea11a7a3","url":"https://daily.dev/sources/appsignal"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/why-your-sidekiq-jobs-are-slower-than-you-think-and-how-appsignal-fixes-that-rzk9tpqvs","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":0},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"ruby,redis","timeRequired":"PT8M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"AppSignal","item":"https://daily.dev/sources/appsignal"},{"@type":"ListItem","position":3,"name":"Why Your Sidekiq Jobs Are Slower Than You Think, and How AppSignal Fixes That"}]} ```