--- title: How Reddit built a Metadata Store that Handles 100k... description: This post discusses how Reddit built a metadata store that handles 100k reads per second. It explores the high level goals of the metadata store, the... canonical: https://daily.dev/posts/how-reddit-built-a-metadata-store-that-handles-100k-reads-per-second-zf5utfodw twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: How Reddit built a Metadata Store that Handles 100k Reads per Second | daily.dev og:description: This post discusses how Reddit built a metadata store that handles 100k reads per second. It explores the high level goals of the metadata store, the... og:url: https://daily.dev/posts/how-reddit-built-a-metadata-store-that-handles-100k-reads-per-second-zf5utfodw og:image: https://api.daily.dev/og/posts/zF5uTfOdW.png og:image:alt: How Reddit built a Metadata Store that Handles 100k Reads per Second 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. # How Reddit built a Metadata Store that Handles 100k Reads per Second **[Quastor Daily](https://daily.dev/sources/quastor)** · 11 min read · 14 upvotes · 1 comments ## Summary This post discusses how Reddit built a metadata store that handles 100k reads per second. It explores the high level goals of the metadata store, the considerations for picking the database, and the scaling strategies used by Reddit. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: --- Tags: [#postgresql](https://daily.dev/tags/postgresql), [#apache-cassandra](https://daily.dev/tags/apache-cassandra) [View this post on daily.dev](https://daily.dev/posts/how-reddit-built-a-metadata-store-that-handles-100k-reads-per-second-zf5utfodw) ```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":"How Reddit built a Metadata Store that Handles 100k Reads per Second","url":"https://daily.dev/posts/how-reddit-built-a-metadata-store-that-handles-100k-reads-per-second-zf5utfodw","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/how-reddit-built-a-metadata-store-that-handles-100k-reads-per-second-zf5utfodw"},"datePublished":"2024-05-07T21:51:27.166Z","dateModified":"2024-05-09T08:22:04.995Z","description":"This post discusses how Reddit built a metadata store that handles 100k reads per second. It explores the high level goals of the metadata store, the...","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/b9d0bb2c428af8f3b34bcf1b248700fd?_a=AQAEuiZ","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/b9d0bb2c428af8f3b34bcf1b248700fd?_a=AQAEuiZ","isAccessibleForFree":true,"articleSection":"Quastor Daily","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":"Quastor Daily","logo":"https://media.daily.dev/image/upload/t_logo,f_auto/v1/logos/073e935e4893445ba562bf9e1ca38ec1","url":"https://daily.dev/sources/quastor"},"commentCount":1,"discussionUrl":"https://daily.dev/posts/how-reddit-built-a-metadata-store-that-handles-100k-reads-per-second-zf5utfodw","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":14},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":1}],"keywords":"postgresql,apache-cassandra","timeRequired":"PT11M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Quastor Daily","item":"https://daily.dev/sources/quastor"},{"@type":"ListItem","position":3,"name":"How Reddit built a Metadata Store that Handles 100k Reads per Second"}]} ```