{"id":738,"date":"2026-03-25T14:18:24","date_gmt":"2026-03-25T14:18:24","guid":{"rendered":"https:\/\/www.viz-tools.com\/vi\/write-user-stories-developers-estimate-easily\/"},"modified":"2026-03-25T14:18:24","modified_gmt":"2026-03-25T14:18:24","slug":"write-user-stories-developers-estimate-easily","status":"publish","type":"post","link":"https:\/\/www.viz-tools.com\/vi\/write-user-stories-developers-estimate-easily\/","title":{"rendered":"H\u01b0\u1edbng d\u1eabn Scrum: Vi\u1ebft c\u00e1c c\u00e2u chuy\u1ec7n ng\u01b0\u1eddi d\u00f9ng m\u00e0 c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n c\u00f3 th\u1ec3 \u01b0\u1edbc l\u01b0\u1ee3ng d\u1ec5 d\u00e0ng"},"content":{"rendered":"<p>Vi\u1ec7c \u01b0\u1edbc l\u01b0\u1ee3ng trong ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m th\u01b0\u1eddng l\u00e0 ngu\u1ed3n g\u00e2y m\u00e2u thu\u1eabn gi\u1eefa c\u00e1c ch\u1ee7 s\u1ea3n ph\u1ea9m v\u00e0 c\u00e1c \u0111\u1ed9i k\u1ef9 thu\u1eadt. Khi m\u1ed9t c\u00e2u chuy\u1ec7n kh\u00f4ng r\u00f5 r\u00e0ng, c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n kh\u00f4ng th\u1ec3 \u0111\u01b0a ra \u01b0\u1edbc l\u01b0\u1ee3ng ch\u00ednh x\u00e1c v\u1ec1 n\u1ed7 l\u1ef1c. \u0110i\u1ec1u n\u00e0y d\u1eabn \u0111\u1ebfn vi\u1ec7c l\u1eadp k\u1ebf ho\u1ea1ch sprint kh\u00f4ng \u0111\u00e1ng tin c\u1eady, c\u00e1c m\u1ed1c th\u1eddi gian b\u1ecb b\u1ecf l\u1ee1 v\u00e0 s\u1ef1 th\u1ea5t v\u1ecdng trong \u0111\u1ed9i nh\u00f3m. Nguy\u00ean nh\u00e2n g\u1ed1c r\u1ec5 hi\u1ebfm khi l\u00e0 thi\u1ebfu k\u1ef9 n\u0103ng k\u1ef9 thu\u1eadt; th\u01b0\u1eddng l\u00e0 do thi\u1ebfu s\u1ef1 r\u00f5 r\u00e0ng trong y\u00eau c\u1ea7u.<\/p>\n<p>\u0110\u1ec3 l\u1ea5p \u0111\u1ea7y kho\u1ea3ng c\u00e1ch n\u00e0y, c\u00e1c c\u00e2u chuy\u1ec7n ng\u01b0\u1eddi d\u00f9ng ph\u1ea3i \u0111\u01b0\u1ee3c vi\u1ebft m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c. Ch\u00fang n\u00ean cung c\u1ea5p \u0111\u1ee7 b\u1ed1i c\u1ea3nh \u0111\u1ec3 m\u1ed9t nh\u00e0 ph\u00e1t tri\u1ec3n hi\u1ec3u \u0111\u01b0\u1ee3c <em>c\u00e1i g\u00ec<\/em>, <em>t\u1ea1i sao<\/em>, v\u00e0 c\u00e1c gi\u1edbi h\u1ea1n c\u1ee7a c\u00f4ng vi\u1ec7c. H\u01b0\u1edbng d\u1eabn n\u00e0y kh\u00e1m ph\u00e1 c\u00e1ch x\u00e2y d\u1ef1ng c\u00e1c c\u00e2u chuy\u1ec7n ng\u01b0\u1eddi d\u00f9ng gi\u00fap vi\u1ec7c \u01b0\u1edbc l\u01b0\u1ee3ng ch\u00ednh x\u00e1c trong khung Scrum, m\u00e0 kh\u00f4ng c\u1ea7n d\u1ef1a v\u00e0o c\u00f4ng c\u1ee5 b\u00ean ngo\u00e0i hay nh\u1eefng l\u1eddi qu\u1ea3ng c\u00e1o hoa m\u1ef9.<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img alt=\"Hand-drawn whiteboard infographic illustrating how to write estimable user stories for software development, featuring the INVEST model framework, anatomy of high-quality stories, vague vs clear story comparisons, refinement workflow, common pitfalls to avoid, and key takeaways for agile teams using Scrum methodology\" decoding=\"async\" src=\"https:\/\/www.viz-tools.com\/wp-content\/uploads\/2026\/03\/user-story-estimation-whiteboard-infographic.jpg\"\/><\/figure>\n<\/div>\n<h2>\ud83e\udd14 T\u1ea1i sao vi\u1ec7c \u01b0\u1edbc l\u01b0\u1ee3ng l\u1ea1i th\u1ea5t b\u1ea1i<\/h2>\n<p>C\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n kh\u00f4ng \u01b0\u1edbc l\u01b0\u1ee3ng th\u1eddi gian; h\u1ecd \u01b0\u1edbc l\u01b0\u1ee3ng n\u1ed7 l\u1ef1c, \u0111\u1ed9 ph\u1ee9c t\u1ea1p v\u00e0 r\u1ee7i ro. Khi m\u1ed9t c\u00e2u chuy\u1ec7n ng\u01b0\u1eddi d\u00f9ng m\u01a1 h\u1ed3, c\u00e1c bi\u1ebfn s\u1ed1 ch\u01b0a bi\u1ebft s\u1ebd l\u00e0m t\u0103ng r\u1ee7i ro, t\u1eeb \u0111\u00f3 l\u00e0m t\u0103ng \u01b0\u1edbc l\u01b0\u1ee3ng. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng l\u00fd do ph\u1ed5 bi\u1ebfn khi\u1ebfn c\u00e1c c\u00e2u chuy\u1ec7n kh\u00f3 \u01b0\u1edbc l\u01b0\u1ee3ng:<\/p>\n<ul>\n<li><strong>Thi\u1ebfu ti\u00eau ch\u00ed ch\u1ea5p nh\u1eadn:<\/strong>Kh\u00f4ng c\u00f3 ranh gi\u1edbi r\u00f5 r\u00e0ng, c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n s\u1ebd gi\u1ea3 \u0111\u1ecbnh t\u00ecnh hu\u1ed1ng x\u1ea5u nh\u1ea5t.<\/li>\n<li><strong>C\u00e1c ph\u1ee5 thu\u1ed9c k\u1ef9 thu\u1eadt:<\/strong>Nh\u1eefng c\u00e2u chuy\u1ec7n ph\u1ee5 thu\u1ed9c v\u00e0o c\u00f4ng vi\u1ec7c ch\u01b0a ho\u00e0n th\u00e0nh t\u1eeb c\u00e1c \u0111\u1ed9i kh\u00e1c s\u1ebd t\u1ea1o ra s\u1ef1 kh\u00f4ng ch\u1eafc ch\u1eafn.<\/li>\n<li><strong>\u0110\u1ed9ng t\u1eeb m\u01a1 h\u1ed3:<\/strong>Nh\u1eefng thu\u1eadt ng\u1eef nh\u01b0 \u201ct\u1ed1i \u01b0u h\u00f3a\u201d, \u201cn\u00e2ng cao\u201d hay \u201cc\u1ea3i thi\u1ec7n\u201d thi\u1ebfu c\u00e1c k\u1ebft qu\u1ea3 c\u00f3 th\u1ec3 \u0111o l\u01b0\u1eddng \u0111\u01b0\u1ee3c.<\/li>\n<li><strong>Ki\u1ebfn th\u1ee9c \u0111\u01b0\u1ee3c gi\u1ea3 \u0111\u1ecbnh:<\/strong>D\u1ef1a v\u00e0o ki\u1ebfn th\u1ee9c truy\u1ec1n mi\u1ec7ng thay v\u00ec b\u1ed1i c\u1ea3nh \u0111\u01b0\u1ee3c ghi ch\u00e9p r\u00f5 r\u00e0ng.<\/li>\n<li><strong>Qu\u00e1 nhi\u1ec1u c\u00e2u chuy\u1ec7n:<\/strong>Nh\u1eefng c\u00e2u chuy\u1ec7n l\u1edbn, \u0111\u01a1n th\u1ec3, bao qu\u00e1t qu\u00e1 nhi\u1ec1u n\u1ed9i dung c\u00f9ng l\u00fac.<\/li>\n<\/ul>\n<p>Khi m\u1ed9t nh\u00e0 ph\u00e1t tri\u1ec3n h\u1ecfi: \u201cNh\u01b0ng n\u00f3 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o ch\u00ednh x\u00e1c?\u201d, th\u00ec c\u00e2u chuy\u1ec7n ch\u01b0a s\u1eb5n s\u00e0ng \u0111\u1ec3 \u01b0\u1edbc l\u01b0\u1ee3ng. M\u1ee5c ti\u00eau l\u00e0 gi\u1ea3m nhu c\u1ea7u \u0111\u1eb7t c\u00e2u h\u1ecfi l\u00e0m r\u00f5 trong giai \u0111o\u1ea1n l\u1eadp k\u1ebf ho\u1ea1ch sprint.<\/p>\n<h2>\ud83d\udcd0 M\u00f4 h\u00ecnh INVEST cho c\u00e1c c\u00e2u chuy\u1ec7n c\u00f3 th\u1ec3 \u01b0\u1edbc l\u01b0\u1ee3ng<\/h2>\n<p>M\u00f4 h\u00ecnh INVEST l\u00e0 m\u1ed9t c\u00e1ch ghi nh\u1edb \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 \u0111\u1ecbnh ngh\u0129a c\u00e1c c\u00e2u chuy\u1ec7n ng\u01b0\u1eddi d\u00f9ng t\u1ed1t. D\u00f9 th\u01b0\u1eddng \u0111\u01b0\u1ee3c tr\u00edch d\u1eabn, nh\u01b0ng nhi\u1ec1u \u0111\u1ed9i l\u1ea1i b\u1ecf qua c\u00e1c kh\u00eda c\u1ea1nh <em>Nh\u1ecf<\/em> v\u00e0 <em>C\u00f3 th\u1ec3 ki\u1ec3m th\u1eed<\/em>l\u00e0 nh\u1eefng y\u1ebfu t\u1ed1 then ch\u1ed1t cho vi\u1ec7c \u01b0\u1edbc l\u01b0\u1ee3ng.<\/p>\n<h3>1. \u0110\u1ed9c l\u1eadp<\/h3>\n<p>C\u00e1c c\u00e2u chuy\u1ec7n n\u00ean \u0111\u1ed9c l\u1eadp v\u1ec1 l\u00fd t\u01b0\u1edfng. N\u1ebfu m\u1ed9t c\u00e2u chuy\u1ec7n ph\u1ee5 thu\u1ed9c v\u00e0o m\u1ed9t c\u00e2u chuy\u1ec7n kh\u00e1c ph\u1ea3i ho\u00e0n th\u00e0nh tr\u01b0\u1edbc, \u0111\u1ed9i kh\u00f4ng th\u1ec3 \u01b0\u1edbc l\u01b0\u1ee3ng n\u00f3 m\u1ed9t c\u00e1ch \u0111\u1ed9c l\u1eadp. C\u00e1c ph\u1ee5 thu\u1ed9c s\u1ebd t\u1ea1o ra s\u1ef1 t\u1eafc ngh\u1ebdn. N\u1ebfu m\u1ed9t c\u00e2u chuy\u1ec7n th\u1ef1c s\u1ef1 ph\u1ee5 thu\u1ed9c, n\u00f3 n\u00ean \u0111\u01b0\u1ee3c chia nh\u1ecf cho \u0111\u1ebfn khi ph\u1ee5 thu\u1ed9c \u0111\u01b0\u1ee3c gi\u1ea3i quy\u1ebft ho\u1eb7c c\u00e2u chuy\u1ec7n \u0111\u1ee7 nh\u1ecf \u0111\u1ec3 c\u00f3 th\u1ec3 th\u1eed nghi\u1ec7m (spike).<\/p>\n<h3>2. C\u00f3 th\u1ec3 th\u01b0\u01a1ng l\u01b0\u1ee3ng<\/h3>\n<p>C\u00e1c c\u00e2u chuy\u1ec7n kh\u00f4ng ph\u1ea3i l\u00e0 h\u1ee3p \u0111\u1ed3ng; ch\u00fang l\u00e0 ch\u1ed7 tr\u1ed1ng cho m\u1ed9t cu\u1ed9c tr\u00f2 chuy\u1ec7n. Tuy nhi\u00ean, cu\u1ed9c tr\u00f2 chuy\u1ec7n ph\u1ea3i di\u1ec5n ra <em>tr\u01b0\u1edbc<\/em> \u01b0\u1edbc t\u00ednh. N\u1ebfu m\u1ed9t c\u00e2u chuy\u1ec7n \u0111\u01b0\u1ee3c vi\u1ebft d\u01b0\u1edbi d\u1ea1ng t\u00e0i li\u1ec7u c\u1ee5 th\u1ec3 c\u1ed1 \u0111\u1ecbnh m\u00e0 kh\u00f4ng c\u00f3 ch\u1ed7 cho th\u1ea3o lu\u1eadn k\u1ef9 thu\u1eadt, \u0111i\u1ec1u n\u00e0y s\u1ebd gi\u1edbi h\u1ea1n kh\u1ea3 n\u0103ng c\u1ee7a nh\u00e0 ph\u00e1t tri\u1ec3n \u0111\u1ec1 xu\u1ea5t m\u1ed9t gi\u1ea3i ph\u00e1p t\u1ed1t h\u01a1n, c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u01b0\u1edbc t\u00ednh.<\/p>\n<h3>3. C\u00f3 gi\u00e1 tr\u1ecb<\/h3>\n<p>M\u1ed7i c\u00e2u chuy\u1ec7n ph\u1ea3i mang l\u1ea1i gi\u00e1 tr\u1ecb cho ng\u01b0\u1eddi d\u00f9ng cu\u1ed1i. N\u1ebfu m\u1ed9t c\u00e2u chuy\u1ec7n ch\u1ec9 l\u00e0 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng k\u1ef9 thu\u1eadt thu\u1ea7n t\u00fay m\u00e0 kh\u00f4ng c\u00f3 gi\u00e1 tr\u1ecb hi\u1ec3n th\u1ecb v\u1edbi ng\u01b0\u1eddi d\u00f9ng, th\u00ec \u0111\u00f3 l\u00e0 m\u1ed9t nhi\u1ec7m v\u1ee5 k\u1ef9 thu\u1eadt, ch\u1ee9 kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t c\u00e2u chuy\u1ec7n ng\u01b0\u1eddi d\u00f9ng. C\u00e1c nhi\u1ec7m v\u1ee5 k\u1ef9 thu\u1eadt \u0111\u00f2i h\u1ecfi ph\u01b0\u01a1ng ph\u00e1p \u01b0\u1edbc t\u00ednh kh\u00e1c nhau v\u00e0 c\u1ea7n \u0111\u01b0\u1ee3c x\u1eed l\u00fd c\u1ea9n tr\u1ecdng \u0111\u1ec3 tr\u00e1nh l\u00e0m ph\u00ecnh to v\u00f2ng l\u1eb7p sprint.<\/p>\n<h3>4. C\u00f3 th\u1ec3 \u01b0\u1edbc t\u00ednh<\/h3>\n<p>\u0110\u00e2y l\u00e0 y\u00eau c\u1ea7u c\u1ed1t l\u00f5i cho h\u01b0\u1edbng d\u1eabn n\u00e0y. M\u1ed9t c\u00e2u chuy\u1ec7n c\u00f3 th\u1ec3 \u01b0\u1edbc t\u00ednh n\u1ebfu \u0111\u1ed9i ng\u0169 c\u00f3 \u0111\u1ee7 th\u00f4ng tin \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh n\u1ed7 l\u1ef1c c\u1ea7n thi\u1ebft. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0:<\/p>\n<ul>\n<li>Lu\u1ed3ng ng\u01b0\u1eddi d\u00f9ng r\u00f5 r\u00e0ng.<\/li>\n<li>Y\u00eau c\u1ea7u d\u1eef li\u1ec7u \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh.<\/li>\n<li>C\u00e1c tr\u01b0\u1eddng h\u1ee3p bi\u00ean \u0111\u00e3 \u0111\u01b0\u1ee3c xem x\u00e9t.<\/li>\n<li>C\u00e1c y\u00eau c\u1ea7u v\u1ec1 hi\u1ec7u su\u1ea5t \u0111\u00e3 \u0111\u01b0\u1ee3c n\u00eau r\u00f5 (v\u00ed d\u1ee5: th\u1eddi gian t\u1ea3i).<\/li>\n<\/ul>\n<h3>5. Nh\u1ecf<\/h3>\n<p>\u0110\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a vi\u1ec7c \u01b0\u1edbc t\u00ednh gi\u1ea3m khi k\u00edch th\u01b0\u1edbc t\u0103ng l\u00ean. M\u1ed9t c\u00e2u chuy\u1ec7n m\u1ea5t hai tu\u1ea7n \u0111\u1ec3 ho\u00e0n th\u00e0nh l\u00e0 qu\u00e1 l\u1edbn. N\u00f3 n\u00ean \u0111\u01b0\u1ee3c chia th\u00e0nh c\u00e1c c\u00e2u chuy\u1ec7n m\u1ea5t t\u1eeb m\u1ed9t \u0111\u1ebfn ba ng\u00e0y. C\u00e1c c\u00e2u chuy\u1ec7n nh\u1ecf gi\u00fap gi\u1ea3m r\u1ee7i ro v\u00e0 c\u1ea3i thi\u1ec7n \u0111\u1ed9 chi ti\u1ebft c\u1ee7a \u01b0\u1edbc t\u00ednh.<\/p>\n<h3>6. C\u00f3 th\u1ec3 ki\u1ec3m th\u1eed<\/h3>\n<p>N\u1ebfu b\u1ea1n kh\u00f4ng th\u1ec3 vi\u1ebft m\u1ed9t b\u00e0i ki\u1ec3m th\u1eed cho c\u00e2u chuy\u1ec7n, b\u1ea1n s\u1ebd kh\u00f4ng th\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c ti\u00eau ch\u00ed ch\u1ea5p nh\u1eadn. N\u1ebfu b\u1ea1n kh\u00f4ng th\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c ti\u00eau ch\u00ed ch\u1ea5p nh\u1eadn, nh\u00e0 ph\u00e1t tri\u1ec3n s\u1ebd kh\u00f4ng bi\u1ebft khi n\u00e0o c\u00e2u chuy\u1ec7n \u0111\u01b0\u1ee3c ho\u00e0n th\u00e0nh. \u0110i\u1ec1u n\u00e0y \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn vi\u1ec7c \u01b0\u1edbc t\u00ednh v\u00ec &#8216;ho\u00e0n th\u00e0nh&#8217; ch\u00ednh l\u00e0 \u0111\u00edch \u0111\u1ebfn.<\/p>\n<h2>\ud83d\udee0 C\u1ea5u tr\u00fac c\u1ee7a m\u1ed9t c\u00e2u chuy\u1ec7n ng\u01b0\u1eddi d\u00f9ng ch\u1ea5t l\u01b0\u1ee3ng cao<\/h2>\n<p>M\u1ed9t c\u00e2u chuy\u1ec7n ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 m\u1ed9t ti\u00eau \u0111\u1ec1. \u0110\u00f3 l\u00e0 m\u1ed9t g\u00f3i th\u00f4ng tin. \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n c\u00f3 th\u1ec3 \u01b0\u1edbc t\u00ednh hi\u1ec7u qu\u1ea3, m\u1ed7i c\u00e2u chuy\u1ec7n n\u00ean ch\u1ee9a c\u00e1c th\u00e0nh ph\u1ea7n sau.<\/p>\n<h3>1. Ti\u00eau \u0111\u1ec1<\/h3>\n<p>Ti\u00eau \u0111\u1ec1 n\u00ean m\u00f4 t\u1ea3 r\u00f5 r\u00e0ng nh\u01b0ng ng\u1eafn g\u1ecdn. N\u00f3 n\u00ean t\u00f3m t\u1eaft ch\u1ee9c n\u0103ng c\u1ed1t l\u00f5i.<\/p>\n<ul>\n<li><strong>K\u00e9m:<\/strong>S\u1eeda \u0111\u0103ng nh\u1eadp<\/li>\n<li><strong>T\u1ed1t:<\/strong>Cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng \u0111\u1eb7t l\u1ea1i m\u1eadt kh\u1ea9u th\u00f4ng qua li\u00ean k\u1ebft email<\/li>\n<\/ul>\n<h3>2. C\u00e2u tuy\u00ean b\u1ed1 ng\u01b0\u1eddi d\u00f9ng<\/h3>\n<p>\u0110\u1ecbnh d\u1ea1ng chu\u1ea9n l\u00e0: \u201cL\u00e0 m\u1ed9t [vai tr\u00f2], t\u00f4i mu\u1ed1n [t\u00ednh n\u0103ng], \u0111\u1ec3 [l\u1ee3i \u00edch].\u201d \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o \u0111\u1ed9i ng\u0169 hi\u1ec3u \u0111\u01b0\u1ee3c b\u1ed1i c\u1ea3nh.<\/p>\n<h3>3. B\u1ed1i c\u1ea3nh v\u00e0 th\u00f4ng tin n\u1ec1n<\/h3>\n<p>C\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n c\u1ea7n bi\u1ebft b\u1ed1i c\u1ea3nh kinh doanh. T\u1ea1i sao t\u00ednh n\u0103ng n\u00e0y l\u1ea1i \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng ngay b\u00e2y gi\u1edd? C\u00f3 y\u00eau c\u1ea7u quy \u0111\u1ecbnh n\u00e0o kh\u00f4ng? \u0110\u00e2y c\u00f3 ph\u1ea3i l\u00e0 s\u1eeda m\u1ed9t l\u1ed7i nghi\u00eam tr\u1ecdng kh\u00f4ng? B\u1ed1i c\u1ea3nh gi\u00fap c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n \u01b0u ti\u00ean c\u00e1c quy\u1ebft \u0111\u1ecbnh k\u1ef9 thu\u1eadt.<\/p>\n<h3>4. Ti\u00eau ch\u00ed ch\u1ea5p nh\u1eadn<\/h3>\n<p>\u0110\u00e2y l\u00e0 ph\u1ea7n quan tr\u1ecdng nh\u1ea5t \u0111\u1ed1i v\u1edbi vi\u1ec7c \u01b0\u1edbc t\u00ednh. C\u00e1c ti\u00eau ch\u00ed ch\u1ea5p nh\u1eadn x\u00e1c \u0111\u1ecbnh ranh gi\u1edbi c\u00f4ng vi\u1ec7c. Ch\u00fang n\u00ean \u0111\u01b0\u1ee3c vi\u1ebft theo c\u00e1ch cho ph\u00e9p ki\u1ec3m th\u1eed t\u1ef1 \u0111\u1ed9ng.<\/p>\n<ul>\n<li><strong>S\u1eed d\u1ee5ng C\u00e2u \u0111i\u1ec1u ki\u1ec7n &#8211; Khi &#8211; Th\u00ec:<\/strong>C\u1ea5u tr\u00fac n\u00e0y gi\u1ea3m thi\u1ec3u s\u1ef1 m\u01a1 h\u1ed3.<\/li>\n<li><strong>X\u00e1c \u0111\u1ecbnh c\u00e1c tr\u01b0\u1eddng h\u1ee3p bi\u00ean:<\/strong>\u0110i\u1ec1u g\u00ec s\u1ebd x\u1ea3y ra n\u1ebfu internet b\u1ecb ng\u1eaft? \u0110i\u1ec1u g\u00ec s\u1ebd x\u1ea3y ra n\u1ebfu \u0111\u1ea7u v\u00e0o tr\u1ed1ng?<\/li>\n<li><strong>X\u00e1c \u0111\u1ecbnh d\u1eef li\u1ec7u:<\/strong>Ch\u00fang ta \u0111ang tr\u00edch xu\u1ea5t t\u1eeb c\u01a1 s\u1edf d\u1eef li\u1ec7u hi\u1ec7n c\u00f3 ch\u1ee9? Ch\u00fang ta \u0111ang t\u1ea1o c\u00e1c b\u1ea3n ghi m\u1edbi ch\u1ee9?<\/li>\n<\/ul>\n<h2>\ud83d\udccb So s\u00e1nh: C\u00e2u chuy\u1ec7n m\u01a1 h\u1ed3 vs. C\u00e2u chuy\u1ec7n r\u00f5 r\u00e0ng<\/h2>\n<p>Hi\u1ec3u \u0111\u01b0\u1ee3c s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa m\u1ed9t c\u00e2u chuy\u1ec7n g\u00e2y ra sai l\u1ec7ch trong \u01b0\u1edbc t\u00ednh v\u00e0 m\u1ed9t c\u00e2u chuy\u1ec7n gi\u00fap l\u00e0m r\u00f5 l\u00e0 \u0111i\u1ec1u then ch\u1ed1t. B\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y n\u00eau b\u1eadt s\u1ef1 kh\u00e1c bi\u1ec7t n\u00e0y.<\/p>\n<table>\n<thead>\n<tr>\n<th>T\u00ednh n\u0103ng<\/th>\n<th>C\u00e2u chuy\u1ec7n m\u01a1 h\u1ed3 (kh\u00f3 \u01b0\u1edbc t\u00ednh)<\/th>\n<th>C\u00e2u chuy\u1ec7n r\u00f5 r\u00e0ng (d\u1ec5 \u01b0\u1edbc t\u00ednh)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>M\u1ee5c ti\u00eau<\/strong><\/td>\n<td>N\u00e2ng cao hi\u1ec7u su\u1ea5t b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n.<\/td>\n<td>Gi\u1ea3m th\u1eddi gian t\u1ea3i b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n xu\u1ed1ng d\u01b0\u1edbi 2 gi\u00e2y cho 1000 b\u1ea3n ghi.<\/td>\n<\/tr>\n<tr>\n<td><strong>Ph\u1ea1m vi<\/strong><\/td>\n<td>T\u1ed1i \u01b0u h\u00f3a ph\u00eda m\u00e1y ch\u1ee7.<\/td>\n<td>Ch\u1ec9 m\u1ee5c c\u1ed9t \u2018user_id\u2019 trong b\u1ea3ng t\u00ecm ki\u1ebfm v\u00e0 l\u01b0u tr\u1eef t\u1ea1m k\u1ebft qu\u1ea3 h\u00e0ng \u0111\u1ea7u 50 m\u1ee5c.<\/td>\n<\/tr>\n<tr>\n<td><strong>Ti\u00eau ch\u00ed ch\u1ea5p nh\u1eadn<\/strong><\/td>\n<td>Ph\u1ea3i nhanh h\u01a1n.<\/td>\n<td>1. Th\u1eddi gian t\u1ea3i &lt; 2 gi\u00e2y. 2. Kh\u00f4ng c\u00f3 l\u1ed7i v\u1edbi 1000 b\u1ea3n ghi. 3. Ch\u1ebf \u0111\u1ed9 xem di \u0111\u1ed9ng ho\u1ea1t \u0111\u1ed9ng.<\/td>\n<\/tr>\n<tr>\n<td><strong>Ph\u1ee5 thu\u1ed9c<\/strong><\/td>\n<td>Kh\u00f4ng c\u00f3 g\u00ec \u0111\u01b0\u1ee3c \u0111\u1ec1 c\u1eadp.<\/td>\n<td>Y\u00eau c\u1ea7u truy c\u1eadp v\u00e0o API Ph\u00e2n t\u00edch, hi\u1ec7n \u0111ang \u1edf giai \u0111o\u1ea1n th\u1eed nghi\u1ec7m.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\ud83e\udde9 X\u1eed l\u00fd c\u00e1c ph\u1ee5 thu\u1ed9c v\u00e0 r\u1ee7i ro<\/h2>\n<p>C\u00e1c ph\u1ee5 thu\u1ed9c l\u00e0 k\u1ebb th\u00f9 c\u1ee7a vi\u1ec7c \u01b0\u1edbc t\u00ednh. N\u1ebfu m\u1ed9t c\u00e2u chuy\u1ec7n ph\u1ee5 thu\u1ed9c v\u00e0o API c\u1ee7a \u0111\u1ed9i kh\u00e1c, th\u00ec \u01b0\u1edbc t\u00ednh l\u00e0 ch\u1ec9 d\u1ef1 \u0111o\u00e1n. \u0110\u1ec3 gi\u1ea3m thi\u1ec3u \u0111i\u1ec1u n\u00e0y:<\/p>\n<ul>\n<li><strong>Ph\u00e1t hi\u1ec7n s\u1edbm:<\/strong>Th\u1ea3o lu\u1eadn v\u1ec1 c\u00e1c ph\u1ee5 thu\u1ed9c trong qu\u00e1 tr\u00ecnh tinh ch\u1ec9nh danh s\u00e1ch c\u00f4ng vi\u1ec7c, ch\u1ee9 kh\u00f4ng ph\u1ea3i trong giai \u0111o\u1ea1n l\u1eadp k\u1ebf ho\u1ea1ch.<\/li>\n<li><strong>T\u1ea1o c\u00e1c c\u00e2u chuy\u1ec7n nghi\u00ean c\u1ee9u (spike):<\/strong>N\u1ebfu ph\u1ee5 thu\u1ed9c ch\u01b0a r\u00f5, h\u00e3y t\u1ea1o m\u1ed9t c\u00e2u chuy\u1ec7n \u0111\u1ec3 \u0111i\u1ec1u tra n\u00f3. M\u1ed9t spike l\u00e0 m\u1ed9t nhi\u1ec7m v\u1ee5 nghi\u00ean c\u1ee9u c\u00f3 th\u1eddi gian gi\u1edbi h\u1ea1n. N\u00f3 kh\u00f4ng t\u1ea1o ra m\u00e3 ngu\u1ed3n, nh\u01b0ng t\u1ea1o ra ki\u1ebfn th\u1ee9c gi\u00fap gi\u1ea3m r\u1ee7i ro.<\/li>\n<li><strong>D\u1eef li\u1ec7u gi\u1ea3:<\/strong>N\u1ebfu d\u1ecbch v\u1ee5 b\u00ean ngo\u00e0i kh\u00f4ng kh\u1ea3 d\u1ee5ng, h\u00e3y th\u1ed1ng nh\u1ea5t c\u1ea5u tr\u00fac ph\u1ea3n h\u1ed3i gi\u1ea3. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p ph\u00e1t tri\u1ec3n ti\u1ebfp t\u1ee5c m\u00e0 kh\u00f4ng b\u1ecb \u0111\u00ecnh tr\u1ec7.<\/li>\n<li><strong>Ph\u1ee5 thu\u1ed9c b\u00ean ngo\u00e0i:<\/strong> N\u1ebfu m\u1ed9t c\u00e2u chuy\u1ec7n ph\u1ee5 thu\u1ed9c v\u00e0o m\u1ed9t d\u1ecbch v\u1ee5 b\u00ean th\u1ee9 ba, h\u00e3y ghi ch\u00fa c\u00e1c t\u00e1c \u0111\u1ed9ng v\u1ec1 chi ph\u00ed v\u00e0 \u0111\u1ed9 tr\u1ec5 trong ph\u1ea7n m\u00f4 t\u1ea3.<\/li>\n<\/ul>\n<h2>\ud83d\udde3 Vai tr\u00f2 c\u1ee7a cu\u1ed9c tr\u00f2 chuy\u1ec7n<\/h2>\n<p>Vi\u1ebft c\u00e2u chuy\u1ec7n ch\u1ec9 l\u00e0 m\u1ed9t n\u1eeda c\u00f4ng vi\u1ec7c. Cu\u1ed9c tr\u00f2 chuy\u1ec7n l\u00e0 n\u1eeda c\u00f2n l\u1ea1i. C\u00e2u chuy\u1ec7n \u0111\u01b0\u1ee3c vi\u1ebft ra ch\u1ec9 l\u00e0 l\u1eddi nh\u1eafc v\u1ec1 cu\u1ed9c tr\u00f2 chuy\u1ec7n, ch\u1ee9 kh\u00f4ng ph\u1ea3i ch\u00ednh cu\u1ed9c tr\u00f2 chuy\u1ec7n \u0111\u00f3.<\/p>\n<h3>Tinh ch\u1ec9nh tr\u01b0\u1edbc khi l\u1eadp k\u1ebf ho\u1ea1ch<\/h3>\n<p>Tr\u01b0\u1edbc khi l\u1eadp k\u1ebf ho\u1ea1ch sprint, \u0111\u1ed9i c\u1ea7n xem x\u00e9t l\u1ea1i danh s\u00e1ch c\u00f4ng vi\u1ec7c ch\u1edd x\u1eed l\u00fd. \u0110\u00e2y l\u00e0 l\u00fac \u0111\u1ec3 \u0111\u1eb7t c\u00e2u h\u1ecfi. N\u1ebfu m\u1ed9t nh\u00e0 ph\u00e1t tri\u1ec3n nh\u1eadn th\u1ea5y kho\u1ea3ng tr\u1ed1ng trong c\u00e2u chuy\u1ec7n, h\u1ecd n\u00ean b\u00e1o ngay l\u1eadp t\u1ee9c. M\u1ed9t c\u00e2u chuy\u1ec7n \u0111\u01b0\u1ee3c \u0111\u00e1nh d\u1ea5u trong qu\u00e1 tr\u00ecnh tinh ch\u1ec9nh l\u00e0 m\u1ed9t c\u00e2u chuy\u1ec7n \u0111\u00e3 s\u1eb5n s\u00e0ng \u0111\u1ec3 \u01b0\u1edbc l\u01b0\u1ee3ng.<\/p>\n<h3>C\u00e2u h\u1ecfi l\u00e0m r\u00f5<\/h3>\n<p>Trong qu\u00e1 tr\u00ecnh tinh ch\u1ec9nh, c\u00e1c c\u00e2u h\u1ecfi c\u1ee5 th\u1ec3 c\u1ea7n \u0111\u01b0\u1ee3c tr\u1ea3 l\u1eddi. V\u00ed d\u1ee5:<\/p>\n<ul>\n<li>T\u00ednh n\u0103ng n\u00e0y c\u00f3 c\u1ea7n \u0111\u01b0\u1ee3c truy c\u1eadp \u0111\u01b0\u1ee3c kh\u00f4ng?<\/li>\n<li>C\u00f3 y\u00eau c\u1ea7u c\u00e1c giao th\u1ee9c b\u1ea3o m\u1eadt c\u1ee5 th\u1ec3 n\u00e0o kh\u00f4ng?<\/li>\n<li>S\u1ed1 l\u01b0\u1ee3ng ng\u01b0\u1eddi d\u00f9ng t\u1ed1i \u0111a d\u1ef1 ki\u1ebfn l\u00e0 bao nhi\u00eau?<\/li>\n<li>Ch\u00fang ta c\u00f3 c\u1ea7n h\u1ed7 tr\u1ee3 c\u00e1c tr\u00ecnh duy\u1ec7t c\u0169 kh\u00f4ng?<\/li>\n<\/ul>\n<p>N\u1ebfu nh\u1eefng c\u00e2u tr\u1ea3 l\u1eddi n\u00e0y \u0111\u01b0\u1ee3c ghi ch\u00fa trong c\u00e2u chuy\u1ec7n, th\u00ec \u01b0\u1edbc l\u01b0\u1ee3ng s\u1ebd tr\u1edf n\u00ean \u0111\u00e1ng tin c\u1eady h\u01a1n.<\/p>\n<h2>\ud83d\udcca Hi\u1ec3u v\u1ec1 c\u00e1c k\u1ef9 thu\u1eadt \u01b0\u1edbc l\u01b0\u1ee3ng<\/h2>\n<p>Khi c\u00e2u chuy\u1ec7n \u0111\u00e3 r\u00f5 r\u00e0ng, \u0111\u1ed9i c\u1ea7n m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ec3 \u01b0\u1edbc l\u01b0\u1ee3ng. \u0110i\u1ec1u quan tr\u1ecdng kh\u00f4ng ph\u1ea3i l\u00e0 ph\u01b0\u01a1ng ph\u00e1p \u0111\u00f3 m\u00e0 l\u00e0 s\u1ef1 \u0111\u1ed3ng thu\u1eadn m\u00e0 n\u00f3 t\u1ea1o ra.<\/p>\n<h3>\u0110i\u1ec3m c\u00e2u chuy\u1ec7n<\/h3>\n<p>\u0110i\u1ec3m c\u00e2u chuy\u1ec7n \u0111o l\u01b0\u1eddng n\u1ed7 l\u1ef1c t\u01b0\u01a1ng \u0111\u1ed1i, \u0111\u1ed9 ph\u1ee9c t\u1ea1p v\u00e0 r\u1ee7i ro. Ch\u00fang kh\u00f4ng ph\u1ea3i l\u00e0 gi\u1edd. Vi\u1ec7c s\u1eed d\u1ee5ng \u0111i\u1ec3m c\u00e2u chuy\u1ec7n gi\u00fap c\u00e1c \u0111\u1ed9i t\u1eadp trung v\u00e0o quy m\u00f4 c\u00f4ng vi\u1ec7c thay v\u00ec t\u1ed1c \u0111\u1ed9 c\u1ee7a t\u1eebng c\u00e1 nh\u00e2n.<\/p>\n<ul>\n<li><strong>\u0110\u1ed9 ph\u1ee9c t\u1ea1p:<\/strong>Logic n\u00e0y kh\u00f3 \u0111\u1ebfn m\u1ee9c n\u00e0o?<\/li>\n<li><strong>R\u1ee7i ro:<\/strong>Kh\u1ea3 n\u0103ng x\u1ea3y ra l\u1ed7i l\u00e0 bao nhi\u00eau?<\/li>\n<li><strong>N\u1ed7 l\u1ef1c:<\/strong>C\u00f3 bao nhi\u00eau c\u00f4ng vi\u1ec7c tham gia?<\/li>\n<\/ul>\n<h3>Poker l\u1eadp k\u1ebf ho\u1ea1ch<\/h3>\n<p>\u0110\u00e2y l\u00e0 m\u1ed9t k\u1ef9 thu\u1eadt d\u1ef1a tr\u00ean s\u1ef1 \u0111\u1ed3ng thu\u1eadn. M\u1ed7i nh\u00e0 ph\u00e1t tri\u1ec3n gi\u01a1 l\u00ean m\u1ed9t th\u1ebb c\u00f3 con s\u1ed1. N\u1ebfu c\u00e1c con s\u1ed1 kh\u00e1c nhau, nh\u1eefng ng\u01b0\u1eddi \u01b0\u1edbc l\u01b0\u1ee3ng cao nh\u1ea5t v\u00e0 th\u1ea5p nh\u1ea5t s\u1ebd gi\u1ea3i th\u00edch l\u00fd do c\u1ee7a m\u00ecnh. \u0110i\u1ec1u n\u00e0y ph\u01a1i b\u00e0y nh\u1eefng gi\u1ea3 \u0111\u1ecbnh \u1ea9n gi\u1ea5u. V\u00ed d\u1ee5, m\u1ed9t nh\u00e0 ph\u00e1t tri\u1ec3n c\u00f3 th\u1ec3 \u0111\u00e3 qu\u00ean y\u00eau c\u1ea7u t\u00edch h\u1ee3p, trong khi ng\u01b0\u1eddi kh\u00e1c l\u1ea1i cho r\u1eb1ng n\u00f3 \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng s\u1eb5n.<\/p>\n<h2>\ud83d\udeab Nh\u1eefng sai l\u1ea7m ph\u1ed5 bi\u1ebfn c\u1ea7n tr\u00e1nh<\/h2>\n<p>Ngay c\u1ea3 v\u1edbi nh\u1eefng \u00fd \u0111\u1ecbnh t\u1ed1t, c\u00e1c \u0111\u1ed9i th\u01b0\u1eddng r\u01a1i v\u00e0o nh\u1eefng c\u00e1i b\u1eaby l\u00e0m h\u1ecfng \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a vi\u1ec7c \u01b0\u1edbc l\u01b0\u1ee3ng.<\/p>\n<h3>1. Ch\u1ec9 \u0111\u01b0\u1eddng \u0111i thu\u1eadn l\u1ee3i<\/h3>\n<p>Vi\u1ebft c\u00e1c c\u00e2u chuy\u1ec7n ch\u1ec9 m\u00f4 t\u1ea3 t\u00ecnh hu\u1ed1ng l\u00fd t\u01b0\u1edfng l\u00e0 r\u1ea5t nguy hi\u1ec3m. C\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n s\u1ebd \u01b0\u1edbc l\u01b0\u1ee3ng theo \u0111\u01b0\u1eddng \u0111i thu\u1eadn l\u1ee3i, nh\u01b0ng c\u00f4ng vi\u1ec7c th\u1ef1c t\u1ebf bao g\u1ed3m x\u1eed l\u00fd l\u1ed7i. Lu\u00f4n lu\u00f4n bao g\u1ed3m c\u00e1c tr\u1ea1ng th\u00e1i l\u1ed7i trong ti\u00eau ch\u00ed ch\u1ea5p nh\u1eadn.<\/p>\n<h3>2. B\u1ecf qua c\u00e1c y\u00eau c\u1ea7u phi ch\u1ee9c n\u0103ng<\/h3>\n<p>Hi\u1ec7u su\u1ea5t, b\u1ea3o m\u1eadt v\u00e0 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng th\u01b0\u1eddng b\u1ecb b\u1ecf qua. M\u1ed9t c\u00e2u chuy\u1ec7n n\u00f3i &#8220;T\u1ea1o ng\u01b0\u1eddi d\u00f9ng&#8221; c\u00f3 th\u1ec3 ch\u1ec9 m\u1ea5t 1 \u0111i\u1ec3m. Nh\u01b0ng m\u1ed9t c\u00e2u chuy\u1ec7n n\u00f3i &#8220;T\u1ea1o ng\u01b0\u1eddi d\u00f9ng h\u1ed7 tr\u1ee3 10.000 \u0111\u0103ng nh\u1eadp \u0111\u1ed3ng th\u1eddi&#8221; l\u1ea1i m\u1ea5t 10 \u0111i\u1ec3m. H\u00e3y n\u00eau r\u00f5 c\u00e1c y\u00eau c\u1ea7u phi ch\u1ee9c n\u0103ng.<\/p>\n<h3>3. G\u00e2y qu\u00e1 nhi\u1ec1u chi ti\u1ebft trong m\u00f4 t\u1ea3<\/h3>\n<p>\u0110\u1eebng vi\u1ebft m\u1ed9t t\u00e0i li\u1ec7u k\u1ef9 thu\u1eadt trong c\u00e2u chuy\u1ec7n ng\u01b0\u1eddi d\u00f9ng. Nh\u00e0 ph\u00e1t tri\u1ec3n c\u1ea7n bi\u1ebft <em>g\u00ec<\/em>c\u1ea7n x\u00e2y d\u1ef1ng, ch\u1ee9 kh\u00f4ng ph\u1ea3i <em>c\u00e1ch<\/em>\u0111\u1ec3 x\u00e2y d\u1ef1ng n\u00f3. N\u1ebfu b\u1ea1n x\u00e1c \u0111\u1ecbnh l\u01b0\u1ee3c \u0111\u1ed3 c\u01a1 s\u1edf d\u1eef li\u1ec7u trong c\u00e2u chuy\u1ec7n, b\u1ea1n s\u1ebd gi\u1edbi h\u1ea1n kh\u1ea3 n\u0103ng l\u1ef1a ch\u1ecdn gi\u1ea3i ph\u00e1p t\u1ed1t nh\u1ea5t c\u1ee7a nh\u00e0 ph\u00e1t tri\u1ec3n.<\/p>\n<h3>4. B\u1ecf qua \u0110\u1ecbnh ngh\u0129a Ho\u00e0n th\u00e0nh<\/h3>\n<p>\u0110\u1ecbnh ngh\u0129a Ho\u00e0n th\u00e0nh (DoD) \u00e1p d\u1ee5ng cho m\u1ecdi c\u00e2u chuy\u1ec7n. N\u00f3 bao g\u1ed3m ki\u1ec3m th\u1eed, ki\u1ec3m tra m\u00e3 ngu\u1ed3n v\u00e0 t\u00e0i li\u1ec7u. N\u1ebfu DoD kh\u00f4ng r\u00f5 r\u00e0ng, \u01b0\u1edbc t\u00ednh s\u1ebd sai l\u1ec7ch. \u0110\u1ea3m b\u1ea3o c\u1ea3 \u0111\u1ed9i \u0111\u1ed3ng thu\u1eadn v\u1ec1 ngh\u0129a c\u1ee7a &#8220;ho\u00e0n th\u00e0nh&#8221; tr\u01b0\u1edbc khi \u01b0\u1edbc t\u00ednh.<\/p>\n<h2>\ud83d\udd04 Quy tr\u00ecnh l\u00e0m vi\u1ec7c c\u1ee7a qu\u00e1 tr\u00ecnh tinh ch\u1ec9nh<\/h2>\n<p>\u0110\u1ec3 duy tr\u00ec lu\u1ed3ng c\u00e2u chuy\u1ec7n c\u00f3 th\u1ec3 \u01b0\u1edbc t\u00ednh \u1ed5n \u0111\u1ecbnh, h\u00e3y tu\u00e2n theo quy tr\u00ecnh n\u00e0y.<\/p>\n<ol>\n<li><strong>B\u1ea3n nh\u00e1p ban \u0111\u1ea7u:<\/strong>Ng\u01b0\u1eddi s\u1edf h\u1eefu s\u1ea3n ph\u1ea9m vi\u1ebft c\u00e2u chuy\u1ec7n v\u1edbi c\u00e1c chi ti\u1ebft c\u01a1 b\u1ea3n.<\/li>\n<li><strong>Xem x\u00e9t k\u1ef9 thu\u1eadt:<\/strong>C\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n xem x\u00e9t v\u1ec1 t\u00ednh kh\u1ea3 thi v\u00e0 \u0111\u1ed9 ph\u1ee9c t\u1ea1p \u1ea9n.<\/li>\n<li><strong>M\u1edf r\u1ed9ng ti\u00eau ch\u00ed ch\u1ea5p nh\u1eadn:<\/strong>Th\u00eam c\u00e1c tr\u01b0\u1eddng h\u1ee3p bi\u00ean v\u00e0 r\u00e0ng bu\u1ed9c.<\/li>\n<li><strong>Ki\u1ec3m tra ph\u1ee5 thu\u1ed9c:<\/strong>X\u00e1c minh kh\u00f4ng c\u00f3 r\u00e0o c\u1ea3n n\u00e0o t\u1ed3n t\u1ea1i.<\/li>\n<li><strong>\u01af\u1edbc t\u00ednh cu\u1ed1i c\u00f9ng:<\/strong>\u0110\u1ed9i ph\u00e2n b\u1ed5 \u0111i\u1ec3m c\u00e2u chuy\u1ec7n trong qu\u00e1 tr\u00ecnh tinh ch\u1ec9nh ho\u1eb7c l\u1eadp k\u1ebf ho\u1ea1ch.<\/li>\n<li><strong>X\u00e1c th\u1ef1c:<\/strong>\u0110\u1ea3m b\u1ea3o c\u00e2u chuy\u1ec7n \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau ch\u00ed INVEST.<\/li>\n<\/ol>\n<h2>\ud83d\udcc8 \u0110o l\u01b0\u1eddng \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a \u01b0\u1edbc t\u00ednh<\/h2>\n<p>Theo th\u1eddi gian, c\u00e1c \u0111\u1ed9i n\u00ean theo d\u00f5i \u0111\u1ed9 ch\u00ednh x\u00e1c \u01b0\u1edbc t\u00ednh c\u1ee7a m\u00ecnh. \u0110i\u1ec1u n\u00e0y kh\u00f4ng nh\u1eb1m tr\u1eebng ph\u1ea1t c\u00e1 nh\u00e2n, m\u00e0 \u0111\u1ec3 c\u1ea3i thi\u1ec7n quy tr\u00ecnh.<\/p>\n<ul>\n<li><strong>Theo d\u00f5i t\u1ed1c \u0111\u1ed9:<\/strong>Theo d\u00f5i t\u1ed1c \u0111\u1ed9 c\u1ee7a \u0111\u1ed9i trong nhi\u1ec1u sprint. N\u1ebfu t\u1ed1c \u0111\u1ed9 dao \u0111\u1ed9ng m\u1ea1nh, c\u00e1c c\u00e2u chuy\u1ec7n c\u00f3 kh\u1ea3 n\u0103ng kh\u00f4ng nh\u1ea5t qu\u00e1n.<\/li>\n<li><strong>T\u1ef7 l\u1ec7 ho\u00e0n th\u00e0nh:<\/strong>\u0110\u1ed9i c\u00f3 ho\u00e0n th\u00e0nh t\u1ea5t c\u1ea3 c\u00e1c c\u00e2u chuy\u1ec7n \u0111\u00e3 \u01b0\u1edbc t\u00ednh kh\u00f4ng? N\u1ebfu kh\u00f4ng, h\u1ecd c\u00f3 b\u1ecb ch\u1eb7n hay \u01b0\u1edbc t\u00ednh th\u1ea5p kh\u00f4ng?<\/li>\n<li><strong>T\u1ea7n su\u1ea5t \u01b0\u1edbc t\u00ednh l\u1ea1i:<\/strong>N\u1ebfu c\u00e1c c\u00e2u chuy\u1ec7n \u0111\u01b0\u1ee3c \u01b0\u1edbc t\u00ednh l\u1ea1i th\u01b0\u1eddng xuy\u00ean trong sprint, th\u00ec \u01b0\u1edbc t\u00ednh ban \u0111\u1ea7u l\u00e0 sai l\u1ec7ch.<\/li>\n<\/ul>\n<h2>\ud83d\udee1 B\u1ea3o m\u1eadt v\u00e0 tu\u00e2n th\u1ee7<\/h2>\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c ng\u00e0nh b\u1ecb qu\u1ea3n l\u00fd, b\u1ea3o m\u1eadt v\u00e0 tu\u00e2n th\u1ee7 l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a \u01b0\u1edbc t\u00ednh. M\u1ed9t c\u00e2u chuy\u1ec7n x\u1eed l\u00fd d\u1eef li\u1ec7u ng\u01b0\u1eddi d\u00f9ng \u0111\u00f2i h\u1ecfi n\u1ed7 l\u1ef1c kh\u00e1c bi\u1ec7t so v\u1edbi m\u1ed9t c\u00e2u chuy\u1ec7n hi\u1ec3n th\u1ecb th\u00f4ng tin c\u00f4ng khai. H\u00e3y bao g\u1ed3m c\u00e1c ki\u1ec3m tra tu\u00e2n th\u1ee7 trong ti\u00eau ch\u00ed ch\u1ea5p nh\u1eadn.<\/p>\n<ul>\n<li><strong>B\u1ea3o m\u1eadt d\u1eef li\u1ec7u:<\/strong>C\u00e2u chuy\u1ec7n n\u00e0y c\u00f3 li\u00ean quan \u0111\u1ebfn th\u00f4ng tin nh\u1eadn d\u1ea1ng c\u00e1 nh\u00e2n (PII) kh\u00f4ng?<\/li>\n<li><strong>D\u00f2ng nh\u1eadt k\u00fd ki\u1ec3m to\u00e1n:<\/strong>H\u1ec7 th\u1ed1ng c\u00f3 c\u1ea7n ghi l\u1ea1i ai \u0111\u00e3 th\u1ef1c hi\u1ec7n thay \u0111\u1ed5i kh\u00f4ng?<\/li>\n<li><strong>M\u00e3 h\u00f3a:<\/strong>D\u1eef li\u1ec7u c\u00f3 \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a khi l\u01b0u tr\u1eef hay \u0111ang truy\u1ec1n t\u1ea3i kh\u00f4ng?<\/li>\n<\/ul>\n<p>N\u1ebfu c\u00e1c y\u00eau c\u1ea7u n\u00e0y kh\u00f4ng \u0111\u01b0\u1ee3c n\u00eau r\u00f5, nh\u00e0 ph\u00e1t tri\u1ec3n c\u00f3 th\u1ec3 x\u00e2y d\u1ef1ng m\u1ed9t gi\u1ea3i ph\u00e1p y\u00eau c\u1ea7u t\u00e1i c\u1ea5u tr\u00fac l\u1edbn sau n\u00e0y, l\u00e0m ph\u00ed ph\u1ea1m \u01b0\u1edbc t\u00ednh ban \u0111\u1ea7u.<\/p>\n<h2>\ud83e\uddea Gi\u00e1 tr\u1ecb c\u1ee7a c\u00e1c Spikes<\/h2>\n<p>\u0110\u00f4i khi, m\u1ed9t c\u00e2u chuy\u1ec7n qu\u00e1 r\u1ee7i ro \u0111\u1ec3 \u01b0\u1edbc t\u00ednh. Trong nh\u1eefng tr\u01b0\u1eddng h\u1ee3p n\u00e0y, h\u00e3y s\u1eed d\u1ee5ng Spike. Spike l\u00e0 m\u1ed9t cu\u1ed9c \u0111i\u1ec1u tra c\u00f3 gi\u1edbi h\u1ea1n th\u1eddi gian. N\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t t\u00ednh n\u0103ng c\u00f3 th\u1ec3 giao, m\u00e0 l\u00e0 m\u1ed9t nhi\u1ec7m v\u1ee5 h\u1ecdc t\u1eadp.<\/p>\n<p>V\u00ed d\u1ee5:<\/p>\n<ul>\n<li><strong>C\u00e2u chuy\u1ec7n:<\/strong> Kh\u1ea3o s\u00e1t t\u00ednh kh\u1ea3 thi khi t\u00edch h\u1ee3p v\u1edbi c\u1ed5ng thanh to\u00e1n c\u0169.<\/li>\n<li><strong>M\u1ee5c ti\u00eau:<\/strong> X\u00e1c \u0111\u1ecbnh xem c\u1ed5ng c\u00f3 h\u1ed7 tr\u1ee3 phi\u00ean b\u1ea3n API y\u00eau c\u1ea7u c\u1ee7a ch\u00fang ta hay kh\u00f4ng.<\/li>\n<li><strong>K\u1ebft qu\u1ea3:<\/strong> M\u1ed9t t\u00e0i li\u1ec7u ch\u1ee9a k\u1ebft qu\u1ea3 kh\u1ea3o s\u00e1t v\u00e0 \u0111\u1ec1 xu\u1ea5t.<\/li>\n<\/ul>\n<p>Sau khi spike ho\u00e0n th\u00e0nh, c\u00e2u chuy\u1ec7n t\u00ednh n\u0103ng th\u1ef1c t\u1ebf c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u01b0\u1edbc t\u00ednh d\u1ef1a tr\u00ean k\u1ebft qu\u1ea3 kh\u1ea3o s\u00e1t. \u0110i\u1ec1u n\u00e0y l\u00e0m gi\u1ea3m \u0111\u00e1ng k\u1ec3 r\u1ee7i ro.<\/p>\n<h2>\ud83e\udd1d H\u1ee3p t\u00e1c v\u1edbi QA<\/h2>\n<p>Ch\u1ea5t l\u01b0\u1ee3ng \u0111\u1ea3m b\u1ea3o (QA) n\u00ean tham gia v\u00e0o qu\u00e1 tr\u00ecnh tinh ch\u1ec9nh. C\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n c\u00f3 th\u1ec3 b\u1ecf s\u00f3t c\u00e1c tr\u01b0\u1eddng h\u1ee3p bi\u00ean m\u00e0 ng\u01b0\u1eddi ki\u1ec3m th\u1eed ph\u00e1t hi\u1ec7n. QA c\u00f3 th\u1ec3 gi\u00fap vi\u1ebft ti\u00eau ch\u00ed ch\u1ea5p nh\u1eadn t\u1eeb g\u00f3c nh\u00ecn ki\u1ec3m th\u1eed. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o c\u00e2u chuy\u1ec7n th\u1ef1c s\u1ef1 c\u00f3 th\u1ec3 ki\u1ec3m th\u1eed, l\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n then ch\u1ed1t trong qu\u00e1 tr\u00ecnh \u01b0\u1edbc t\u00ednh.<\/p>\n<h2>\ud83d\udcc9 Qu\u1ea3n l\u00fd hi\u1ec7n t\u01b0\u1ee3ng m\u1edf r\u1ed9ng ph\u1ea1m vi<\/h2>\n<p>Hi\u1ec7n t\u01b0\u1ee3ng m\u1edf r\u1ed9ng ph\u1ea1m vi x\u1ea3y ra khi y\u00eau c\u1ea7u thay \u0111\u1ed5i sau khi \u0111\u00e3 \u01b0\u1edbc t\u00ednh. \u0110\u1ec3 ng\u0103n ch\u1eb7n \u0111i\u1ec1u n\u00e0y:<\/p>\n<ul>\n<li><strong>C\u1ee9ng h\u00f3a ti\u00eau ch\u00ed:<\/strong>Sau khi \u01b0\u1edbc t\u00ednh, ti\u00eau ch\u00ed ch\u1ea5p nh\u1eadn kh\u00f4ng \u0111\u01b0\u1ee3c thay \u0111\u1ed5i m\u00e0 kh\u00f4ng c\u00f3 vi\u1ec7c \u01b0\u1edbc t\u00ednh l\u1ea1i.<\/li>\n<li><strong>Y\u00eau c\u1ea7u thay \u0111\u1ed5i:<\/strong>N\u1ebfu c\u1ea7n thay \u0111\u1ed5i, ph\u1ea3i ghi l\u1ea1i v\u00e0 th\u00eam v\u00e0o danh s\u00e1ch c\u00f4ng vi\u1ec7c, kh\u00f4ng \u0111\u01b0\u1ee3c \u00e9p bu\u1ed9c v\u00e0o sprint hi\u1ec7n t\u1ea1i.<\/li>\n<li><strong>Minh b\u1ea1ch:<\/strong>N\u1ebfu thay \u0111\u1ed5i l\u00e0 kh\u00f4ng th\u1ec3 tr\u00e1nh kh\u1ecfi, h\u00e3y th\u00f4ng b\u00e1o ngay l\u1eadp t\u1ee9c v\u1ec1 t\u00e1c \u0111\u1ed9ng \u0111\u1ebfn m\u1ee5c ti\u00eau sprint.<\/li>\n<\/ul>\n<h2>\ud83e\udde0 Chia s\u1ebb ki\u1ebfn th\u1ee9c<\/h2>\n<p>\u01af\u1edbc l\u01b0\u1ee3ng l\u00e0 m\u1ed9t m\u00f4n th\u1ec3 thao t\u1eadp th\u1ec3. C\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n c\u1ea5p th\u1ea5p c\u00f3 th\u1ec3 \u01b0\u1edbc l\u01b0\u1ee3ng kh\u00e1c v\u1edbi c\u1ea5p cao. \u0110\u1ec3 \u0111\u1ed3ng b\u1ed9 \u0111\u1ed9i ng\u0169:<\/p>\n<ul>\n<li><strong>C\u00e1c bu\u1ed5i hi\u1ec7u chu\u1ea9n:<\/strong> Th\u01b0\u1eddng xuy\u00ean xem x\u00e9t l\u1ea1i c\u00e1c c\u00e2u chuy\u1ec7n tr\u01b0\u1edbc \u0111\u00e2y \u0111\u1ec3 hi\u1ec7u chu\u1ea9n xem \u201c5\u201d tr\u00f4ng nh\u01b0 th\u1ebf n\u00e0o so v\u1edbi \u201c13\u201d.<\/li>\n<li><strong>L\u00e0m vi\u1ec7c theo c\u1eb7p:<\/strong> S\u1eed d\u1ee5ng l\u00e0m vi\u1ec7c theo c\u1eb7p cho c\u00e1c c\u00e2u chuy\u1ec7n ph\u1ee9c t\u1ea1p \u0111\u1ec3 chia s\u1ebb ki\u1ebfn th\u1ee9c v\u00e0 gi\u1ea3m \u0111\u1ed9 l\u1ec7ch trong \u01b0\u1edbc l\u01b0\u1ee3ng.<\/li>\n<li><strong>T\u00e0i li\u1ec7u:<\/strong> Duy tr\u00ec m\u1ed9t th\u01b0 vi\u1ec7n c\u00e1c c\u00e2u chuy\u1ec7n tr\u01b0\u1edbc \u0111\u00e2y \u0111\u1ec3 l\u00e0m \u0111i\u1ec3m tham chi\u1ebfu cho c\u00e1c \u01b0\u1edbc l\u01b0\u1ee3ng t\u01b0\u01a1ng lai.<\/li>\n<\/ul>\n<h2>\ud83c\udf1f Nh\u1eefng suy ngh\u0129 cu\u1ed1i c\u00f9ng v\u1ec1 s\u1ef1 r\u00f5 r\u00e0ng<\/h2>\n<p>Vi\u1ebft c\u00e1c c\u00e2u chuy\u1ec7n ng\u01b0\u1eddi d\u00f9ng m\u00e0 c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n c\u00f3 th\u1ec3 \u01b0\u1edbc l\u01b0\u1ee3ng d\u1ec5 d\u00e0ng l\u00e0 m\u1ed9t b\u00e0i t\u1eadp v\u1ec1 s\u1ef1 th\u1ea5u c\u1ea3m. \u0110i\u1ec1u n\u00e0y \u0111\u00f2i h\u1ecfi ng\u01b0\u1eddi s\u1edf h\u1eefu s\u1ea3n ph\u1ea9m ph\u1ea3i \u0111\u1eb7t m\u00ecnh v\u00e0o v\u1ecb tr\u00ed c\u1ee7a k\u1ef9 s\u01b0 v\u00e0 d\u1ef1 \u0111o\u00e1n c\u00e1c c\u00e2u h\u1ecfi c\u1ee7a h\u1ecd. \u0110i\u1ec1u n\u00e0y c\u0169ng \u0111\u00f2i h\u1ecfi k\u1ef9 s\u01b0 ph\u1ea3i l\u00ean ti\u1ebfng khi th\u00f4ng tin thi\u1ebfu h\u1ee5t. Khi c\u1ea3 hai b\u00ean h\u1ee3p t\u00e1c \u0111\u1ec3 lo\u1ea1i b\u1ecf s\u1ef1 m\u01a1 h\u1ed3, vi\u1ec7c \u01b0\u1edbc l\u01b0\u1ee3ng tr\u1edf th\u00e0nh m\u1ed9t c\u00f4ng c\u1ee5 \u0111\u00e1ng tin c\u1eady cho vi\u1ec7c l\u1eadp k\u1ebf ho\u1ea1ch.<\/p>\n<p>K\u1ebft qu\u1ea3 kh\u00f4ng ch\u1ec9 l\u00e0 nh\u1eefng con s\u1ed1 ch\u00ednh x\u00e1c. \u0110\u00f3 l\u00e0 s\u1ef1 tin t\u01b0\u1edfng. Khi \u0111\u1ed9i ng\u0169 cam k\u1ebft th\u1ef1c hi\u1ec7n m\u1ed9t b\u1ed9 c\u00e2u chuy\u1ec7n d\u1ef1a tr\u00ean c\u00e1c ti\u00eau ch\u00ed r\u00f5 r\u00e0ng, h\u1ecd c\u00f3 th\u1ec3 giao h\u00e0ng v\u1edbi s\u1ef1 t\u1ef1 tin. Tr\u1ecdng t\u00e2m chuy\u1ec3n t\u1eeb vi\u1ec7c \u0111o\u00e1n m\u00f2 sang vi\u1ec7c x\u00e2y d\u1ef1ng.<\/p>\n<h2>\ud83d\udd11 Nh\u1eefng \u0111i\u1ec3m ch\u00ednh c\u1ea7n l\u01b0u \u00fd<\/h2>\n<ul>\n<li><strong>S\u1ef1 r\u00f5 r\u00e0ng l\u00e0 vua:<\/strong>M\u1ed9t c\u00e2u chuy\u1ec7n r\u00f5 r\u00e0ng l\u00e0 m\u1ed9t c\u00e2u chuy\u1ec7n c\u00f3 th\u1ec3 \u01b0\u1edbc l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c.<\/li>\n<li><strong>Ti\u00eau ch\u00ed ch\u1ea5p nh\u1eadn:<\/strong> X\u00e1c \u0111\u1ecbnh r\u00f5 r\u00e0ng c\u00e1c ranh gi\u1edbi v\u00e0 c\u00e1c tr\u01b0\u1eddng h\u1ee3p bi\u00ean.<\/li>\n<li><strong>C\u00e1c ph\u1ee5 thu\u1ed9c:<\/strong> X\u00e1c \u0111\u1ecbnh v\u00e0 gi\u1ea3m thi\u1ec3u r\u1ee7i ro tr\u01b0\u1edbc khi l\u1eadp k\u1ebf ho\u1ea1ch.<\/li>\n<li><strong>Cu\u1ed9c tr\u00f2 chuy\u1ec7n:<\/strong> S\u1eed d\u1ee5ng l\u00e0m r\u00f5 \u0111\u1ec3 th\u1ea3o lu\u1eadn chi ti\u1ebft tr\u01b0\u1edbc khi \u01b0\u1edbc l\u01b0\u1ee3ng.<\/li>\n<li><strong>C\u00e2u chuy\u1ec7n nh\u1ecf:<\/strong> Chia nh\u1ecf c\u00f4ng vi\u1ec7c l\u1edbn \u0111\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u1ed9 ch\u00ednh x\u00e1c.<\/li>\n<li><strong>C\u1ea3i ti\u1ebfn li\u00ean t\u1ee5c:<\/strong> Theo d\u00f5i t\u1ed1c \u0111\u1ed9 v\u00e0 \u0111i\u1ec1u ch\u1ec9nh quy tr\u00ecnh theo th\u1eddi gian.<\/li>\n<\/ul>\n<p>B\u1eb1ng c\u00e1ch tu\u00e2n th\u1ee7 nh\u1eefng nguy\u00ean t\u1eafc n\u00e0y, c\u00e1c \u0111\u1ed9i c\u00f3 th\u1ec3 bi\u1ebfn vi\u1ec7c l\u1eadp k\u1ebf ho\u1ea1ch sprint t\u1eeb m\u1ed9t tr\u00f2 ch\u01a1i \u0111o\u00e1n m\u00f2 th\u00e0nh m\u1ed9t quy tr\u00ecnh c\u00f3 c\u1ea5u tr\u00fac v\u00e0 d\u1ef1 \u0111o\u00e1n \u0111\u01b0\u1ee3c. N\u1ed7 l\u1ef1c b\u1ecf ra \u0111\u1ec3 vi\u1ebft c\u00e1c c\u00e2u chuy\u1ec7n t\u1ed1t s\u1ebd mang l\u1ea1i l\u1ee3i \u00edch trong m\u1ed7i sprint ti\u1ebfp theo.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Vi\u1ec7c \u01b0\u1edbc l\u01b0\u1ee3ng trong ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m th\u01b0\u1eddng l\u00e0 ngu\u1ed3n g\u00e2y m\u00e2u thu\u1eabn gi\u1eefa c\u00e1c ch\u1ee7 s\u1ea3n ph\u1ea9m v\u00e0 c\u00e1c \u0111\u1ed9i k\u1ef9 thu\u1eadt. Khi m\u1ed9t c\u00e2u chuy\u1ec7n kh\u00f4ng r\u00f5&hellip;<\/p>\n","protected":false},"author":1,"featured_media":739,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"Vi\u1ebft c\u00e1c c\u00e2u chuy\u1ec7n ng\u01b0\u1eddi d\u00f9ng m\u00e0 nh\u00e0 ph\u00e1t tri\u1ec3n c\u00f3 th\u1ec3 \u01b0\u1edbc l\u01b0\u1ee3ng d\u1ec5 d\u00e0ng | H\u01b0\u1edbng d\u1eabn Agile","_yoast_wpseo_metadesc":"H\u1ecdc c\u00e1ch vi\u1ebft c\u00e1c c\u00e2u chuy\u1ec7n ng\u01b0\u1eddi d\u00f9ng \u0111\u1ec3 \u01b0\u1edbc l\u01b0\u1ee3ng ch\u00ednh x\u00e1c t\u1eeb nh\u00e0 ph\u00e1t tri\u1ec3n trong Scrum. N\u00e2ng cao t\u1ed1c \u0111\u1ed9 v\u00e0 gi\u1ea3m s\u1ef1 m\u01a1 h\u1ed3 v\u1edbi nh\u1eefng k\u1ef9 thu\u1eadt \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ee9ng minh n\u00e0y.","fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[42],"tags":[39,41],"class_list":["post-738","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-scrum","tag-academic","tag-scrum"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Vi\u1ebft c\u00e1c c\u00e2u chuy\u1ec7n ng\u01b0\u1eddi d\u00f9ng m\u00e0 nh\u00e0 ph\u00e1t tri\u1ec3n c\u00f3 th\u1ec3 \u01b0\u1edbc l\u01b0\u1ee3ng d\u1ec5 d\u00e0ng | H\u01b0\u1edbng d\u1eabn Agile<\/title>\n<meta name=\"description\" content=\"H\u1ecdc c\u00e1ch vi\u1ebft c\u00e1c c\u00e2u chuy\u1ec7n ng\u01b0\u1eddi d\u00f9ng \u0111\u1ec3 \u01b0\u1edbc l\u01b0\u1ee3ng ch\u00ednh x\u00e1c t\u1eeb nh\u00e0 ph\u00e1t tri\u1ec3n trong Scrum. N\u00e2ng cao t\u1ed1c \u0111\u1ed9 v\u00e0 gi\u1ea3m s\u1ef1 m\u01a1 h\u1ed3 v\u1edbi nh\u1eefng k\u1ef9 thu\u1eadt \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ee9ng minh n\u00e0y.\" \/>\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.viz-tools.com\/vi\/write-user-stories-developers-estimate-easily\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Vi\u1ebft c\u00e1c c\u00e2u chuy\u1ec7n ng\u01b0\u1eddi d\u00f9ng m\u00e0 nh\u00e0 ph\u00e1t tri\u1ec3n c\u00f3 th\u1ec3 \u01b0\u1edbc l\u01b0\u1ee3ng d\u1ec5 d\u00e0ng | H\u01b0\u1edbng d\u1eabn Agile\" \/>\n<meta property=\"og:description\" content=\"H\u1ecdc c\u00e1ch vi\u1ebft c\u00e1c c\u00e2u chuy\u1ec7n ng\u01b0\u1eddi d\u00f9ng \u0111\u1ec3 \u01b0\u1edbc l\u01b0\u1ee3ng ch\u00ednh x\u00e1c t\u1eeb nh\u00e0 ph\u00e1t tri\u1ec3n trong Scrum. 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