--- title: Amazon OpenSearch Serverless now supports up to 10,000... description: Amazon OpenSearch Serverless next generation now supports up to 10,000 collections per collection group, up from the previous limit of 1,500. Collection groups... canonical: https://daily.dev/posts/amazon-opensearch-serverless-now-supports-up-to-10-000-collections-per-collection-group-nrguuqaoe twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Amazon OpenSearch Serverless now supports up to 10,000 collections per collection group | daily.dev og:description: Amazon OpenSearch Serverless next generation now supports up to 10,000 collections per collection group, up from the previous limit of 1,500. Collection groups... og:url: https://daily.dev/posts/amazon-opensearch-serverless-now-supports-up-to-10-000-collections-per-collection-group-nrguuqaoe og:image: https://api.daily.dev/og/posts/NRguUQAoE.png og:image:alt: Amazon OpenSearch Serverless now supports up to 10,000 collections per collection group 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. # Amazon OpenSearch Serverless now supports up to 10,000 collections per collection group **[AWS](https://daily.dev/sources/aws)** · 2 min read · 0 upvotes · 0 comments ## Summary Amazon OpenSearch Serverless next generation now supports up to 10,000 collections per collection group, up from the previous limit of 1,500. Collection groups allow multiple collections to share OpenSearch Compute Units (OCUs) even when encrypted with different AWS KMS keys. This change benefits multi-tenant applications that provision one collection per tenant, enabling greater compute sharing, improved utilization, and lower per-collection costs without managing additional collection groups. The higher limit applies automatically to new and existing nextgen collection groups across all supported AWS regions. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Questions this post answers ### How many collections can a single Amazon OpenSearch Serverless collection group support now? The next generation of Amazon OpenSearch Serverless supports up to 10,000 collections per collection group, up from the previous limit of 1,500. Collection groups let multiple collections share OpenSearch Compute Units even when encrypted with different AWS KMS keys, while keeping collection-level security and access controls intact. The higher limit applies automatically to new and existing nextgen collection groups across all supported AWS Regions. _Teams scaling multi-tenant search workloads follow AWS capacity changes like this through daily.dev._ ### Why would raising the OpenSearch Serverless collection limit matter for multi-tenant applications? Multi-tenant applications that provision one collection per tenant were previously capped at 1,500 collections sharing a compute pool, limiting how many tenants could benefit from shared OCUs. Raising the limit to 10,000 lets more tenants share compute, improves utilization, and lowers per-collection cost without requiring additional collection groups to be created and managed. _Anyone architecting multi-tenant data infrastructure tracks capacity updates like this on daily.dev._ ## Similar posts on daily.dev - [Amazon OpenSearch Serverless now supports Collection Groups](https://daily.dev/posts/amazon-opensearch-serverless-now-supports-collection-groups-5aicsk9gn) · AWS · 0 upvotes · 0 comments - [AWS Releases Next Generation of Amazon OpenSearch Serverless](https://daily.dev/posts/aws-releases-next-generation-of-amazon-opensearch-serverless-wvhmg6i9v) · InfoQ · 0 upvotes · 0 comments - [Amazon OpenSearch UI now supports one-click dashboard migration](https://daily.dev/posts/amazon-opensearch-ui-now-supports-one-click-dashboard-migration-6maccgnld) · AWS · 0 upvotes · 0 comments --- Tags: [#aws](https://daily.dev/tags/aws), [#opensearch](https://daily.dev/tags/opensearch), [#multi-tenancy](https://daily.dev/tags/multi-tenancy) [View this post on daily.dev](https://daily.dev/posts/amazon-opensearch-serverless-now-supports-up-to-10-000-collections-per-collection-group-nrguuqaoe) ```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":"Amazon OpenSearch Serverless now supports up to 10,000 collections per collection group","url":"https://daily.dev/posts/amazon-opensearch-serverless-now-supports-up-to-10-000-collections-per-collection-group-nrguuqaoe","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/amazon-opensearch-serverless-now-supports-up-to-10-000-collections-per-collection-group-nrguuqaoe"},"datePublished":"2026-08-10T20:05:30.326Z","dateModified":"2026-09-14T08:44:23.449Z","description":"Amazon OpenSearch Serverless next generation now supports up to 10,000 collections per collection group, up from the previous limit of 1,500. 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Collection groups let multiple collections share OpenSearch Compute Units even when encrypted with different AWS KMS keys, while keeping collection-level security and access controls intact. The higher limit applies automatically to new and existing nextgen collection groups across all supported AWS Regions. Teams scaling multi-tenant search workloads follow AWS capacity changes like this through daily.dev."}},{"@type":"Question","name":"Why would raising the OpenSearch Serverless collection limit matter for multi-tenant applications?","acceptedAnswer":{"@type":"Answer","text":"Multi-tenant applications that provision one collection per tenant were previously capped at 1,500 collections sharing a compute pool, limiting how many tenants could benefit from shared OCUs. Raising the limit to 10,000 lets more tenants share compute, improves utilization, and lowers per-collection cost without requiring additional collection groups to be created and managed. 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