{"id":29261,"date":"2025-10-16T09:02:02","date_gmt":"2025-10-16T16:02:02","guid":{"rendered":"https:\/\/tdengine.com\/?p=29261"},"modified":"2025-10-16T09:08:36","modified_gmt":"2025-10-16T16:08:36","slug":"tdengine-tsdb-3-3-8-release-notes","status":"publish","type":"post","link":"https:\/\/tdengine.com\/tdengine-tsdb-3-3-8-release-notes\/","title":{"rendered":"TDengine TSDB 3.3.8 Release Notes"},"content":{"rendered":"\n<h2 class=\"gb-text\">A Smarter, Faster, and More Secure TDengine<\/h2>\n\n\n\n<p>TDengine 3.3.8 marks another major step forward in performance, intelligence, and enterprise-grade reliability. This release focuses on accelerating analytics, reducing storage costs, and enhancing security for industrial and IoT data workloads at scale. From multi-level small materialized aggregates (SMA) to AI-powered data, TDengine TSDB continues to evolve as the most complete time-series data foundation for real-time operations and AI-driven insights.<\/p>\n\n\n\n<h2 class=\"gb-text\">Highlights<\/h2>\n\n\n\n<h3 class=\"gb-text\">Smarter Aggregation with Multi-Level SMAs<\/h3>\n\n\n\n<p>TDengine 3.3.8 introduces a more advanced small materialized aggregate (SMA) system to deliver lightning-fast queries and optimized storage.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Block-Level SMAs<\/strong> speed up reads by storing recent data in highly compressed columnar blocks, reducing disk I\/O.<\/li>\n\n\n\n<li><strong>Rollup SMAs<\/strong> automatically downsample historical data for long-term analytics and cost-efficient lifecycle management.<\/li>\n\n\n\n<li><strong>Time-Based SMAs<\/strong> enable real-time aggregations for dashboards and monitoring applications.<\/li>\n<\/ul>\n\n\n\n<p>Together, these SMA options bring faster queries, better compression, and lower TCO for customers managing large numbers of time-series data points.<\/p>\n\n\n\n<h3 class=\"gb-text\">AI-Assisted Data Imputation with TDgpt<\/h3>\n\n\n\n<p>TDengine 3.3.8 supports data imputation with TDgpt, using AI to intelligently interpolate missing time-series values without altering original data. This feature helps users maintain continuous, evenly spaced datasets, ideal for analytics, forecasting, and AI training pipelines.<\/p>\n\n\n\n<h3 class=\"gb-text\">Full TLS Support<\/h3>\n\n\n\n<p>This release completes end-to-end TLS encryption for all database connections, ensuring confidentiality and integrity across every communication channel. Whether you deploy TDengine on-premises, in the cloud, or at the edge, your data is now fully protected in transit and ready for enterprise compliance.<\/p>\n\n\n\n<h3 class=\"gb-text\">Performance and Scalability Enhancements<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>TDengine&#8217;s stream processing engine has been optimized to improve throughput and stability in high-volume industrial and IoT scenarios.<\/li>\n\n\n\n<li><code class=\"\" data-line=\"\">LAST()<\/code> queries are up to 10x faster in certain scenarios, significantly improving real-time data latency.<\/li>\n\n\n\n<li>Thread and vgroup optimization ensures better concurrency and lower CPU utilization across distributed clusters.<\/li>\n<\/ul>\n\n\n\n<p>With these improvements, TDengine continues to set the performance standard for time-series workloads at scale.<\/p>\n\n\n\n<h2 class=\"gb-text\">Designed for Real-Time, AI-Driven Data Management<\/h2>\n\n\n\n<p>TDengine TSDB 3.3.8 continues our commitment to making time-series data simpler to manage, faster to query, and easier to scale. From industrial systems to IoT platforms, it provides a solid foundation for collecting, storing, and analyzing massive volumes of operational data, delivering reliability, efficiency, and insight without added complexity.<\/p>\n\n\n\n<p>Upgrade today to TDengine TSDB 3.3.8 and experience faster queries, smarter analytics, and the most advanced data management features ever built into the TDengine platform.<\/p>\n\n\n\n<a class=\"gb-text nt-button-blue\" href=\"https:\/\/docs.tdengine.com\/get-started\/deploy-enterprise-edition\/\">Get Started<\/a>\n","protected":false},"excerpt":{"rendered":"<p>TDengine 3.3.8 marks another major step forward in performance, intelligence, and enterprise-grade reliability.<\/p>\n","protected":false},"author":102,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"content-type":"","footnotes":""},"categories":[22],"tags":[],"ppma_author":[181],"class_list":["post-29261","post","type-post","status-publish","format-standard","hentry","category-news"],"authors":[{"term_id":181,"user_id":102,"is_guest":0,"slug":"tdengine-team","display_name":"TDengine Team","avatar_url":{"url":"https:\/\/tdengine.com\/wp-content\/uploads\/29.03-01-tdengine.png","url2x":"https:\/\/tdengine.com\/wp-content\/uploads\/29.03-01-tdengine.png"},"1":"","2":"","3":"","4":"","5":"","6":"","7":"","8":""}],"_links":{"self":[{"href":"https:\/\/tdengine.com\/wp-json\/wp\/v2\/posts\/29261","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tdengine.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tdengine.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tdengine.com\/wp-json\/wp\/v2\/users\/102"}],"replies":[{"embeddable":true,"href":"https:\/\/tdengine.com\/wp-json\/wp\/v2\/comments?post=29261"}],"version-history":[{"count":2,"href":"https:\/\/tdengine.com\/wp-json\/wp\/v2\/posts\/29261\/revisions"}],"predecessor-version":[{"id":29264,"href":"https:\/\/tdengine.com\/wp-json\/wp\/v2\/posts\/29261\/revisions\/29264"}],"wp:attachment":[{"href":"https:\/\/tdengine.com\/wp-json\/wp\/v2\/media?parent=29261"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tdengine.com\/wp-json\/wp\/v2\/categories?post=29261"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tdengine.com\/wp-json\/wp\/v2\/tags?post=29261"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/tdengine.com\/wp-json\/wp\/v2\/ppma_author?post=29261"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}