{"id":11865,"date":"2026-06-12T09:02:02","date_gmt":"2026-06-12T02:02:02","guid":{"rendered":"https:\/\/microsoft.cmctelecom.vn\/dataflow-gen2-tren-microsoft-fabric-xu-ly-du-lieu-nhanh-hon-chi-phi-thap-hon\/"},"modified":"2026-06-18T17:25:05","modified_gmt":"2026-06-18T10:25:05","slug":"dataflow-gen2-tren-microsoft-fabric-xu-ly-du-lieu-nhanh-hon-chi-phi-thap-hon","status":"publish","type":"post","link":"https:\/\/microsoft.cmctelecom.vn\/kr\/dataflow-gen2-tren-microsoft-fabric-xu-ly-du-lieu-nhanh-hon-chi-phi-thap-hon\/","title":{"rendered":"Dataflow Gen2 tr\u00ean Microsoft Fabric: X\u1eed l\u00fd d\u1eef li\u1ec7u nhanh h\u01a1n, chi ph\u00ed th\u1ea5p h\u01a1n"},"content":{"rendered":"<p>Dataflow Gen2 trong Microsoft Fabric \u0111\u00e3 t\u1ea1o ra m\u1ed9t b\u01b0\u1edbc ti\u1ebfn v\u01b0\u1ee3t b\u1eadc trong l\u0129nh v\u1ef1c bi\u1ebfn \u0111\u1ed5i d\u1eef li\u1ec7u. C\u00e1c benchmark g\u1ea7n \u0111\u00e2y c\u1ee7a Microsoft cho th\u1ea5y nh\u1eefng c\u1ea3i ti\u1ebfn \u0111\u00e1ng k\u1ec3 v\u1ec1 c\u1ea3 hi\u1ec7u n\u0103ng v\u00e0 chi ph\u00ed so v\u1edbi c\u00e1c th\u1ebf h\u1ec7 tr\u01b0\u1edbc. \u0110\u1ed1i v\u1edbi c\u00e1c nh\u00e0 l\u00e3nh \u0111\u1ea1o doanh nghi\u1ec7p, \u0111i\u1ec1u n\u00e0y \u0111\u1ed3ng ngh\u0129a v\u1edbi vi\u1ec7c x\u1eed l\u00fd d\u1eef li\u1ec7u quy m\u00f4 l\u1edbn kh\u00f4ng ch\u1ec9 nhanh h\u01a1n m\u00e0 c\u00f2n hi\u1ec7u qu\u1ea3 h\u01a1n v\u1ec1 m\u1eb7t t\u00e0i ch\u00ednh, m\u1edf ra c\u01a1 h\u1ed9i cho ph\u00e2n t\u00edch real-time v\u00e0 ra quy\u1ebft \u0111\u1ecbnh d\u1ef1a tr\u00ean d\u1eef li\u1ec7u.<\/p>\n<h2>C\u00e1c t\u00ednh n\u0103ng t\u1ed1i \u01b0u hi\u1ec7u n\u0103ng c\u1ee7a Dataflow Gen2<\/h2>\n<p>Hi\u1ec7u n\u0103ng c\u1ee7a Dataflow Gen2 kh\u00f4ng \u0111\u1ebfn t\u1eeb m\u1ed9t &#8220;engine&#8221; duy nh\u1ea5t m\u00e0 l\u00e0 s\u1ef1 k\u1ebft h\u1ee3p c\u1ee7a nhi\u1ec1u t\u00ednh n\u0103ng b\u1ed5 tr\u1ee3, cho ph\u00e9p doanh nghi\u1ec7p l\u1ef1a ch\u1ecdn ph\u01b0\u01a1ng \u00e1n t\u1ed1i \u01b0u cho t\u1eebng lo\u1ea1i workload c\u1ee5 th\u1ec3. Thay v\u00ec ph\u1ea3i \u00e1p d\u1ee5ng t\u1ea5t c\u1ea3, c\u00e1c \u0111\u1ed9i ng\u0169 c\u00f3 th\u1ec3 b\u1eaft \u0111\u1ea7u v\u1edbi c\u00e0i \u0111\u1eb7t m\u1eb7c \u0111\u1ecbnh v\u00e0 b\u1ed5 sung c\u00e1c t\u1ed1i \u01b0u h\u00f3a khi c\u1ea7n thi\u1ebft.<\/p>\n<p>C\u00e1c t\u00ednh n\u0103ng ch\u00ednh bao g\u1ed3m:<\/p>\n<ul>\n<li><strong>Staging:<\/strong> L\u01b0u tr\u1eef d\u1eef li\u1ec7u trung gian m\u1ed9t l\u1ea7n \u0111\u1ec3 c\u00e1c truy v\u1ea5n sau c\u00f3 th\u1ec3 t\u00e1i s\u1eed d\u1ee5ng m\u00e0 kh\u00f4ng c\u1ea7n \u0111\u1ecdc l\u1ea1i t\u1eeb ngu\u1ed3n. T\u00ednh n\u0103ng n\u00e0y r\u1ea5t l\u00fd t\u01b0\u1edfng cho c\u00e1c m\u00f4 h\u00ecnh ELT, n\u01a1i doanh nghi\u1ec7p mu\u1ed1n t\u00e1ch bi\u1ec7t qu\u00e1 tr\u00ecnh nh\u1eadp li\u1ec7u (ingestion) v\u00e0 bi\u1ebfn \u0111\u1ed5i (transformation).<\/li>\n<li><strong>Fast Copy:<\/strong> T\u1ed1i \u01b0u h\u00f3a cho vi\u1ec7c nh\u1eadp m\u1ed9t l\u01b0\u1ee3ng d\u1eef li\u1ec7u c\u1ef1c l\u1edbn v\u00e0o OneLake (Lakehouse) b\u1eb1ng m\u1ed9t backend sao ch\u00e9p th\u00f4ng l\u01b0\u1ee3ng cao. \u0110\u00e2y l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1t nh\u1ea5t cho c\u00e1c workload c\u1ea7n \u0111\u01b0a d\u1eef li\u1ec7u v\u00e0o h\u1ec7 th\u1ed1ng nhanh ch\u00f3ng v\u00e0 th\u1ef1c hi\u1ec7n bi\u1ebfn \u0111\u1ed5i sau \u0111\u00f3.<\/li>\n<li><strong>Modern Query Evaluator:<\/strong> M\u1ed9t engine th\u1ef1c thi Power Query (M) m\u1edbi, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 gi\u1ea3m \u0111\u00e1ng k\u1ec3 th\u1eddi gian \u0111\u00e1nh gi\u00e1, \u0111\u1eb7c bi\u1ec7t v\u1edbi c\u00e1c logic bi\u1ebfn \u0111\u1ed5i ph\u1ee9c t\u1ea1p v\u00e0 c\u00e1c thao t\u00e1c tr\u00ean t\u1eebng d\u00f2ng (row-by-row).<\/li>\n<li><strong>Partitioned Compute:<\/strong> Cho ph\u00e9p x\u1eed l\u00fd song song c\u00e1c ph\u1ea7n c\u1ee7a logic khi engine c\u00f3 th\u1ec3 ph\u00e2n v\u00f9ng ngu\u1ed3n d\u1eef li\u1ec7u (th\u01b0\u1eddng l\u00e0 c\u00e1c ngu\u1ed3n d\u1ef1a tr\u00ean file). Vi\u1ec7c n\u00e0y gi\u00fap gi\u1ea3m th\u1eddi gian l\u00e0m m\u1edbi t\u1ed5ng th\u1ec3 th\u00f4ng qua x\u1eed l\u00fd \u0111\u1ed3ng th\u1eddi.<\/li>\n<\/ul>\n<h2>So s\u00e1nh hi\u1ec7u n\u0103ng qua c\u00e1c k\u1ecbch b\u1ea3n th\u1ef1c t\u1ebf<\/h2>\n<p>C\u00e1c benchmark c\u1ee7a Microsoft \u0111\u00e3 ch\u1ee9ng minh s\u1ef1 v\u01b0\u1ee3t tr\u1ed9i c\u1ee7a Dataflow Gen2 so v\u1edbi Gen1 trong c\u00e1c k\u1ecbch b\u1ea3n ph\u1ed5 bi\u1ebfn.<\/p>\n<h3>K\u1ecbch b\u1ea3n 1: Sao ch\u00e9p d\u1eef li\u1ec7u (Copy Data)<\/h3>\n<ul>\n<li><strong>T\u00e1c v\u1ee5:<\/strong> T\u1ea3i h\u00e0ng lo\u1ea1t file Parquet t\u1eeb ADLS Gen2 v\u00e0o Lakehouse m\u00e0 kh\u00f4ng c\u00f3 bi\u1ebfn \u0111\u1ed5i.<\/li>\n<li><strong>T\u00ednh n\u0103ng s\u1eed d\u1ee5ng:<\/strong> Fast Copy<\/li>\n<li><strong>K\u1ebft qu\u1ea3 (th\u1eddi gian th\u1ef1c thi):<\/strong>\n<ul>\n<li>Dataflow Gen1: 01:42:18<\/li>\n<li>Dataflow Gen2: <strong>00:07:43<\/strong> (Nhanh h\u01a1n 13 l\u1ea7n)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3>K\u1ecbch b\u1ea3n 2: \u0110\u1ecbnh h\u00ecnh d\u1eef li\u1ec7u ph\u1ee9c t\u1ea1p (Heavy data shaping)<\/h3>\n<ul>\n<li><strong>T\u00e1c v\u1ee5:<\/strong> \u00c1p d\u1ee5ng c\u00e1c bi\u1ebfn \u0111\u1ed5i kh\u00f4ng th\u1ec3 <em>folding<\/em> (\u0111\u1ea9y v\u1ec1 ngu\u1ed3n) nh\u01b0 l\u1ecdc, t\u1ea1o c\u1ed9t m\u1edbi, v\u00e0 l\u00e0m s\u1ea1ch d\u1eef li\u1ec7u.<\/li>\n<li><strong>T\u00ednh n\u0103ng s\u1eed d\u1ee5ng:<\/strong> Modern Evaluator<\/li>\n<li><strong>K\u1ebft qu\u1ea3 (th\u1eddi gian th\u1ef1c thi):<\/strong>\n<ul>\n<li>Dataflow Gen1: 01:13:44<\/li>\n<li>Dataflow Gen2: <strong>00:46:15<\/strong> (Nhanh h\u01a1n 1.6 l\u1ea7n)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3>K\u1ecbch b\u1ea3n 3: K\u1ebft h\u1ee3p file (Combine files)<\/h3>\n<ul>\n<li><strong>T\u00e1c v\u1ee5:<\/strong> K\u1ebft h\u1ee3p v\u00e0 bi\u1ebfn \u0111\u1ed5i song song c\u00e1c file Parquet \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00e2n v\u00f9ng.<\/li>\n<li><strong>T\u00ednh n\u0103ng s\u1eed d\u1ee5ng:<\/strong> Partitioned Compute (hi\u1ec7n \u0111ang trong giai \u0111o\u1ea1n Preview)<\/li>\n<li><strong>K\u1ebft qu\u1ea3 (th\u1eddi gian th\u1ef1c thi):<\/strong>\n<ul>\n<li>Dataflow Gen1: 01:40:57<\/li>\n<li>Dataflow Gen2: <strong>00:04:48<\/strong> (Nhanh h\u01a1n 21 l\u1ea7n)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3>K\u1ecbch b\u1ea3n 4: M\u00f4 h\u00ecnh ELT (ELT patterns)<\/h3>\n<ul>\n<li><strong>T\u00e1c v\u1ee5:<\/strong> D\u00f9ng Staging \u0111\u1ec3 l\u01b0u d\u1eef li\u1ec7u m\u1ed9t l\u1ea7n, sau \u0111\u00f3 ch\u1ea1y c\u00e1c bi\u1ebfn \u0111\u1ed5i tham chi\u1ebfu t\u1eeb k\u1ebft qu\u1ea3 \u0111\u00e3 l\u01b0u.<\/li>\n<li><strong>T\u00ednh n\u0103ng s\u1eed d\u1ee5ng:<\/strong> Staging + Fast Copy<\/li>\n<li><strong>K\u1ebft qu\u1ea3 (th\u1eddi gian th\u1ef1c thi):<\/strong>\n<ul>\n<li>Dataflow Gen1: 02:42:44<\/li>\n<li>Dataflow Gen2: <strong>00:05:53<\/strong> (Nhanh h\u01a1n 27 l\u1ea7n)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>Th\u1eddi gian x\u1eed l\u00fd ng\u1eafn h\u01a1n \u0111\u1ed3ng ngh\u0129a v\u1edbi chi ph\u00ed th\u1ea5p h\u01a1n<\/h2>\n<p>\u0110\u1ed1i v\u1edbi doanh nghi\u1ec7p, gi\u00e1 tr\u1ecb c\u1ee7a c\u00e1c k\u1ebft qu\u1ea3 benchmark n\u00e0y r\u1ea5t r\u00f5 r\u00e0ng: th\u1eddi gian th\u1ef1c thi nhanh h\u01a1n c\u0169ng c\u00f3 ngh\u0129a l\u00e0 t\u1ed5ng chi ph\u00ed th\u1ea5p h\u01a1n. Theo c\u00e1c c\u1ea3i ti\u1ebfn v\u1ec1 gi\u00e1 c\u1ee7a Dataflow Gen2 \u0111\u01b0\u1ee3c Microsoft c\u00f4ng b\u1ed1 v\u00e0o th\u00e1ng 9 n\u0103m 2025, vi\u1ec7c gi\u1ea3m th\u1eddi gian l\u00e0m m\u1edbi c\u0169ng gi\u00fap gi\u1ea3m \u0111\u00e1ng k\u1ec3 m\u1ee9c ti\u00eau th\u1ee5 CU (Capacity Unit) cho workload.<\/p>\n<p>N\u00f3i c\u00e1ch kh\u00e1c, khi Dataflow Gen2 gi\u00fap ho\u00e0n th\u00e0nh c\u00f9ng m\u1ed9t t\u00e1c v\u1ee5 bi\u1ebfn \u0111\u1ed5i nhanh h\u01a1n, doanh nghi\u1ec7p c\u0169ng \u0111\u01b0\u1ee3c h\u01b0\u1edfng l\u1ee3i t\u1eeb hi\u1ec7u qu\u1ea3 chi ph\u00ed t\u1ed1t h\u01a1n so v\u1edbi Dataflow Gen1.<\/p>\n<figure class=\"wp-block-image size-large aligncenter\" style=\"text-align: center; margin: 1.5em 0;\"><img decoding=\"async\" style=\"border-radius: 8px; border: 1px solid #e5e7eb; max-width: 100%; max-height: 560px; width: auto; height: auto; display: inline-block;\" src=\"https:\/\/microsoft.cmctelecom.vn\/wp-content\/uploads\/2026\/06\/dc424ae5b3.png\" alt=\"Bi\u1ec3u \u0111\u1ed3 c\u1ea3i ti\u1ebfn v\u1ec1 gi\u00e1 c\u1ee7a Dataflow Gen2, cho th\u1ea5y chi ph\u00ed gi\u1ea3m t\u1edbi 90% cho c\u00e1c t\u00e1c v\u1ee5 ch\u1ea1y tr\u00ean 10 ph\u00fat.\" \/><\/figure>\n<p>Vi\u1ec7c k\u1ebft h\u1ee3p Dataflow Gen2 v\u1edbi \u0111\u00edch \u0111\u1ebfn l\u00e0 Lakehouse s\u1ebd m\u1edf kh\u00f3a kh\u1ea3 n\u0103ng s\u1eed d\u1ee5ng li\u1ec1n m\u1ea1ch trong Power BI Direct Lake. Thi\u1ebft l\u1eadp n\u00e0y cho ph\u00e9p ph\u00e2n t\u00edch g\u1ea7n nh\u01b0 real-time, truy c\u1eadp d\u1eef li\u1ec7u tr\u1ef1c ti\u1ebfp v\u00e0 lo\u1ea1i b\u1ecf c\u00e1c b\u01b0\u1edbc ETL trung gian. Doanh nghi\u1ec7p c\u00f3 th\u1ec3 bi\u1ebfn \u0111\u1ed5i d\u1eef li\u1ec7u \u1edf quy m\u00f4 l\u1edbn, \u0111\u01b0a v\u00e0o Fabric Lakehouse v\u00e0 ngay l\u1eadp t\u1ee9c t\u1eadn d\u1ee5ng ch\u1ebf \u0111\u1ed9 Direct Lake c\u1ee7a Power BI \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c th\u00f4ng tin chi ti\u1ebft v\u1edbi t\u1ed1c \u0111\u1ed9 c\u1ef1c nhanh.<\/p>\n<h2>K\u1ebft lu\u1eadn<\/h2>\n<p>Dataflow Gen2 mang l\u1ea1i nh\u1eefng c\u1ea3i ti\u1ebfn v\u01b0\u1ee3t tr\u1ed9i v\u1ec1 c\u1ea3 hi\u1ec7u n\u0103ng v\u00e0 chi ph\u00ed, cung c\u1ea5p nhi\u1ec1u c\u00f4ng c\u1ee5 linh ho\u1ea1t \u0111\u1ec3 doanh nghi\u1ec7p t\u1ed1i \u01b0u h\u00f3a cho t\u1eebng nhu c\u1ea7u c\u1ee5 th\u1ec3. \u0110\u1ed1i v\u1edbi c\u00e1c kh\u00e1ch h\u00e0ng v\u1eabn \u0111ang s\u1eed d\u1ee5ng Dataflow Gen1, \u0111\u00e2y l\u00e0 th\u1eddi \u0111i\u1ec3m th\u00edch h\u1ee3p \u0111\u1ec3 n\u00e2ng c\u1ea5p. Vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i sang Dataflow Gen2 k\u1ebft h\u1ee3p v\u1edbi Lakehouse v\u00e0 Power BI Direct Lake kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t b\u01b0\u1edbc c\u1ea3i ti\u1ebfn nh\u1ecf, m\u00e0 l\u00e0 m\u1ed9t b\u01b0\u1edbc nh\u1ea3y v\u1ecdt v\u00e0o t\u01b0\u01a1ng lai c\u1ee7a ng\u00e0nh ph\u00e2n t\u00edch d\u1eef li\u1ec7u quy m\u00f4 doanh nghi\u1ec7p.<\/p>","protected":false},"excerpt":{"rendered":"<p>Dataflow Gen2 trong Microsoft Fabric \u0111\u00e3 t\u1ea1o ra m\u1ed9t b\u01b0\u1edbc ti\u1ebfn v\u01b0\u1ee3t b\u1eadc trong l\u0129nh v\u1ef1c bi\u1ebfn \u0111\u1ed5i d\u1eef li\u1ec7u. C\u00e1c benchmark g\u1ea7n \u0111\u00e2y c\u1ee7a Microsoft cho th\u1ea5y nh\u1eefng c\u1ea3i ti\u1ebfn \u0111\u00e1ng k\u1ec3 v\u1ec1 c\u1ea3 hi\u1ec7u n\u0103ng v\u00e0 chi ph\u00ed so v\u1edbi c\u00e1c th\u1ebf h\u1ec7 tr\u01b0\u1edbc. \u0110\u1ed1i v\u1edbi c\u00e1c nh\u00e0 l\u00e3nh \u0111\u1ea1o doanh nghi\u1ec7p, \u0111i\u1ec1u&#8230;<\/p>","protected":false},"author":15,"featured_media":11863,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-11865","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ms-blogs"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Dataflow Gen2 tr\u00ean Microsoft Fabric: X\u1eed l\u00fd d\u1eef li\u1ec7u nhanh h\u01a1n, chi ph\u00ed th\u1ea5p h\u01a1n | CMC 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