--- title: How DoorDash Manages Inventory in Real Time for... description: How DoorDash Manages Inventory in Real Time for Hundreds of Thousands of Retailers Plus, how HRT reduced their code tangling issues, optimizing hash tables,... canonical: https://daily.dev/posts/how-doordash-manages-inventory-in-real-time-for-thousands-of-retailers-rpizm1s1u twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: How DoorDash Manages Inventory in Real Time for Thousands of Retailers | daily.dev og:description: How DoorDash Manages Inventory in Real Time for Hundreds of Thousands of Retailers Plus, how HRT reduced their code tangling issues, optimizing hash tables,... og:url: https://daily.dev/posts/how-doordash-manages-inventory-in-real-time-for-thousands-of-retailers-rpizm1s1u og:image: https://api.daily.dev/og/posts/RPizM1S1u.png og:image:alt: How DoorDash Manages Inventory in Real Time for Thousands of Retailers 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 DoorDash Manages Inventory in Real Time for Thousands of Retailers **[Quastor Daily](https://daily.dev/sources/quastor)** · 13 min read · 18 upvotes · 1 comments ## Summary How DoorDash Manages Inventory in Real Time for Hundreds of Thousands of Retailers Plus, how HRT reduced their code tangling issues, optimizing hash tables, the power of two random choices and more. DoorDash built a highly scalable inventory management platform to prevent this from taking place. The platform ingests inventory data from sources like CSV files. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Community discussion Top comments from developers on daily.dev. **@liam790** · 0 upvotes > Awesome article! ## Similar posts on daily.dev - [Don’t just attend KubeCon \+ CloudNativeCon, Merge Forward your experience\!](https://daily.dev/posts/don-t-just-attend-kubecon-cloudnativecon-merge-forward-your-experience--l0rpp73x8) · CNCF · 1 upvotes · 0 comments - [Announcing H2 2026 KCDs](https://daily.dev/posts/announcing-h2-2026-kcds-m96goajm1) · CNCF · 1 upvotes · 0 comments - [Two months of Open Community Groups](https://daily.dev/posts/two-months-of-open-community-groups-asf52zhbs) · CNCF · 0 upvotes · 0 comments --- Tags: [#cockroachdb](https://daily.dev/tags/cockroachdb), [#machine-learning](https://daily.dev/tags/machine-learning), [#tech-news](https://daily.dev/tags/tech-news) [View this post on daily.dev](https://daily.dev/posts/how-doordash-manages-inventory-in-real-time-for-thousands-of-retailers-rpizm1s1u) ```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 DoorDash Manages Inventory in Real Time for Thousands of Retailers","url":"https://daily.dev/posts/how-doordash-manages-inventory-in-real-time-for-thousands-of-retailers-rpizm1s1u","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/how-doordash-manages-inventory-in-real-time-for-thousands-of-retailers-rpizm1s1u"},"datePublished":"2023-07-08T21:43:05.331Z","dateModified":"2023-10-04T02:16:03.386Z","description":"How DoorDash Manages Inventory in Real Time for Hundreds of Thousands of Retailers Plus, how HRT reduced their code tangling issues, optimizing hash tables,...","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/7666d8a69e48e15fbb5db035269e9719?_a=AQADKdt","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/7666d8a69e48e15fbb5db035269e9719?_a=AQADKdt","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-doordash-manages-inventory-in-real-time-for-thousands-of-retailers-rpizm1s1u","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":18},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":1}],"keywords":"cockroachdb,machine-learning,tech-news","timeRequired":"PT13M"} {"@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 DoorDash Manages Inventory in Real Time for Thousands of Retailers"}]} {"@context":"https://schema.org","@type":"WebPage","@id":"https://daily.dev/posts/how-doordash-manages-inventory-in-real-time-for-thousands-of-retailers-rpizm1s1u","comment":[{"@type":"Comment","text":"Awesome article!","datePublished":"2023-07-09T18:51:12.618Z","url":"https://daily.dev/posts/RPizM1S1u#c-wEdEuxL7w","author":{"@type":"Person","name":"Liam Kelly","url":"https://daily.dev/liam790","image":"https://lh3.googleusercontent.com/a/AATXAJwSpvU8wacdbJMCVIhRQ-uJa3QadzS7HlJitrw=s100"}}]} ```