--- title: hatoo/oha: Ohayou(おはよう), HTTP load generator, inspired... description: oha is a tiny program that sends some load to a web application and show realtime tui inspired by rakyll/hey. This program is written in Rust and powered by... canonical: https://daily.dev/posts/sloup1pbk twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: hatoo/oha: Ohayou(おはよう), HTTP load generator, inspired by rakyll/hey with tui animation. | daily.dev og:description: oha is a tiny program that sends some load to a web application and show realtime tui inspired by rakyll/hey. This program is written in Rust and powered by... og:url: https://daily.dev/posts/sloup1pbk og:image: https://api.daily.dev/og/posts/sloUP1PBk.png og:image:alt: Post cover image 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. # hatoo/oha: Ohayou(おはよう), HTTP load generator, inspired by rakyll/hey with tui animation. **[Daily Open Source Tools](https://daily.dev/sources/dailyopensourcetools)** · [@serdarbuyukdereli](https://daily.dev/serdarbuyukdereli) · 21 upvotes · 0 comments ## Summary oha is a tiny program that sends some load to a web application and show realtime tui inspired by rakyll/hey. This program is written in Rust and powered by tokio and beautiful tui by tui-rs. It's set overall query per second instead of for each workers. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: --- [View this post on daily.dev](https://daily.dev/posts/sloup1pbk) ```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":"DiscussionForumPosting","mainEntityOfPage":"https://daily.dev/posts/sloup1pbk","headline":"hatoo/oha: Ohayou(おはよう), HTTP load generator, inspired by rakyll/hey with tui animation.","text":"Shared: hatoo/oha: Ohayou(おはよう), HTTP load generator, inspired by rakyll/hey with tui animation.","url":"https://daily.dev/posts/sloup1pbk","datePublished":"2025-09-08T10:31:31.803Z","dateModified":"2025-09-08T10:31:31.810Z","author":{"@type":"Person","name":"Serdarcan Buyukdereli","url":"https://daily.dev/serdarbuyukdereli","image":"https://media.daily.dev/image/upload/s--tTV8hAPq--/f_auto/v1778701721/avatars/avatar_Su5HqluAE4wLRb1naHjtv?_a=BAMAMiWQ0","description":"Senior Devops and Cloud Engineer\n","interactionStatistic":{"@type":"InteractionCounter","interactionType":{"@type":"EndorseAction"},"userInteractionCount":21430}},"image":"https://media.daily.dev/image/upload/s--0_ODbtD2--/f_auto/v1722860399/public/Placeholder%2008","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":21},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"sharedContent":{"@type":"WebPage","url":"https://api.daily.dev/r/0torgQ8Os"},"isPartOf":{"@type":"WebPage","url":"https://daily.dev/squads/dailyopensourcetools","name":"Daily Open Source Tools"}} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Daily Open Source Tools","item":"https://daily.dev/squads/dailyopensourcetools"},{"@type":"ListItem","position":3,"name":"hatoo/oha: Ohayou(おはよう), HTTP load generator, inspired by rakyll/hey with tui animation."}]} ```