--- title: This is how Tesla stores a trillion metrics everyday. description: Tesla handles a trillion metrics daily from vehicles, factories, and energy systems using ClickHouse, an OLAP database optimized for speed. After outgrowing... canonical: https://daily.dev/posts/this-is-how-tesla-stores-a-trillion-metrics-everyday--lmdgnq7pa twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: This is how Tesla stores a trillion metrics everyday. | daily.dev og:description: Tesla handles a trillion metrics daily from vehicles, factories, and energy systems using ClickHouse, an OLAP database optimized for speed. After outgrowing... og:url: https://daily.dev/posts/this-is-how-tesla-stores-a-trillion-metrics-everyday--lmdgnq7pa og:image: https://api.daily.dev/og/posts/LMdGNq7pA.png og:image:alt: This is how Tesla stores a trillion metrics everyday. 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. # This is how Tesla stores a trillion metrics everyday. **[Gaurav Sen](https://daily.dev/sources/gkcs)** · 1 min read · 0 upvotes · 0 comments ## Summary Tesla handles a trillion metrics daily from vehicles, factories, and energy systems using ClickHouse, an OLAP database optimized for speed. After outgrowing Prometheus, Tesla built a wrapper called Comet that stores data in ClickHouse while maintaining the Prometheus API for backward compatibility. A migration load test moved 1 quadrillion rows in 11 days at 1 billion rows per second. Tesla is now considering open-sourcing the Comet codebase. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [10 trillion samples a day: Scaling beyond traditional monitoring infra at Databricks](https://daily.dev/posts/10-trillion-samples-a-day-scaling-beyond-traditional-monitoring-infra-at-databricks-nvnrsbnfl) · databricks · 0 upvotes · 0 comments - [How We Achieved Almost Limitless Observability](https://daily.dev/posts/how-we-achieved-almost-limitless-observability-a4fwitlto) · monday Engineering · 8 upvotes · 0 comments --- Tags: [#data-science](https://daily.dev/tags/data-science), [#data-engineering](https://daily.dev/tags/data-engineering), [#prometheus](https://daily.dev/tags/prometheus), [#clickhouse](https://daily.dev/tags/clickhouse), [#olap](https://daily.dev/tags/olap) [View this post on daily.dev](https://daily.dev/posts/this-is-how-tesla-stores-a-trillion-metrics-everyday--lmdgnq7pa) ```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":"This is how Tesla stores a trillion metrics everyday.","url":"https://daily.dev/posts/this-is-how-tesla-stores-a-trillion-metrics-everyday--lmdgnq7pa","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/this-is-how-tesla-stores-a-trillion-metrics-everyday--lmdgnq7pa"},"datePublished":"2026-05-31T07:49:03.766Z","dateModified":"2026-05-31T09:14:11.009Z","description":"Tesla handles a trillion metrics daily from vehicles, factories, and energy systems using ClickHouse, an OLAP database optimized for speed. 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