{"id":33913,"date":"2026-06-23T09:55:28","date_gmt":"2026-06-23T16:55:28","guid":{"rendered":"https:\/\/www.pingcap.com\/htap-summit\/session-replays\/\/"},"modified":"2026-06-24T09:58:24","modified_gmt":"2026-06-24T16:58:24","slug":"when-explain-isnt-enough-visualising-vector-search-for-engineering-and-product-teams","status":"publish","type":"session-replay","link":"https:\/\/www.pingcap.com\/ko\/tidb-scaile-summit\/session-replays\/when-explain-isnt-enough-visualising-vector-search-for-engineering-and-product-teams\/","title":{"rendered":"When EXPLAIN Isn&#8217;t Enough: Visualising Vector Search for Engineering and Product Teams"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Description<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">SQL makes sense. But when it breaks, you reach for EXPLAIN. Vector search offers no such comfort. Multi-thousand-dimension embeddings, approximate nearest-neighbour indexes, and quantisation tradeoffs make it hard to know what your system is doing, and harder still to diagnose when results quietly degrade.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Through interactive visualisations, Simon Hearne shows what embeddings look like in high-dimensional space, what quantisation does to your recall, and how to catch retrieval failures before your agents do. You&#8217;ll leave with a sharper mental model and a diagnostic toolkit for the production problems hardest to see.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Speaker<\/h2>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:25%\">\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1254\" height=\"1254\" src=\"https:\/\/static.pingcap.com\/files\/2026\/06\/23095510\/Simon-Hearne-1.png\" alt=\"\" class=\"wp-image-33920\" style=\"width:180px;height:auto\" srcset=\"https:\/\/static.pingcap.com\/files\/2026\/06\/23095510\/Simon-Hearne-1.png 1254w, https:\/\/static.pingcap.com\/files\/2026\/06\/23095510\/Simon-Hearne-1-300x300.png 300w, https:\/\/static.pingcap.com\/files\/2026\/06\/23095510\/Simon-Hearne-1-1024x1024.png 1024w, https:\/\/static.pingcap.com\/files\/2026\/06\/23095510\/Simon-Hearne-1-150x150.png 150w, https:\/\/static.pingcap.com\/files\/2026\/06\/23095510\/Simon-Hearne-1-768x768.png 768w, https:\/\/static.pingcap.com\/files\/2026\/06\/23095510\/Simon-Hearne-1-12x12.png 12w\" sizes=\"auto, (max-width: 1254px) 100vw, 1254px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:75%\">\n<p class=\"has-medium-font-size wp-block-paragraph\"><strong>Simon Hearne<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Founding Solutions Architect, Zilliz<\/p>\n<\/div>\n<\/div>","protected":false},"template":"","class_list":["post-33913","session-replay","type-session-replay","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>When EXPLAIN Isn&#039;t Enough: Visualising Vector Search for Engineering and Product Teams | TiDB<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.pingcap.com\/ko\/tidb-scaile-summit\/session-replays\/when-explain-isnt-enough-visualising-vector-search-for-engineering-and-product-teams\/\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"When EXPLAIN Isn&#039;t Enough: Visualising Vector Search for Engineering and Product Teams | TiDB\" \/>\n<meta property=\"og:description\" content=\"Description SQL makes sense. 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