{"id":552,"date":"2026-04-06T20:08:50","date_gmt":"2026-04-06T20:08:50","guid":{"rendered":"https:\/\/www.viz-tools.com\/vi\/best-practices-documenting-timing-dependencies-uml-cross-functional-teams\/"},"modified":"2026-04-06T20:08:50","modified_gmt":"2026-04-06T20:08:50","slug":"best-practices-documenting-timing-dependencies-uml-cross-functional-teams","status":"publish","type":"post","link":"https:\/\/www.viz-tools.com\/vi\/best-practices-documenting-timing-dependencies-uml-cross-functional-teams\/","title":{"rendered":"C\u00e1c Th\u1ef1c Ti\u1ec5n T\u1ed1t Nh\u1ea5t \u0111\u1ec3 Ghi Ch\u00e9p C\u00e1c Ph\u1ee5 Thu\u1ed9c Th\u1eddi Gian trong UML cho C\u00e1c \u0110\u1ed9i Nh\u00f3m Li\u00ean Ch\u1ee9c N\u0103ng"},"content":{"rendered":"

Th\u1eddi gian th\u01b0\u1eddng l\u00e0 bi\u1ebfn v\u00f4 h\u00ecnh trong c\u00e1c ki\u1ebfn tr\u00fac h\u1ec7 th\u1ed1ng ph\u1ee9c t\u1ea1p. Trong khi ch\u1ee9c n\u0103ng quy \u0111\u1ecbnh\u0111i\u1ec1u g\u00ec<\/em>h\u1ec7 th\u1ed1ng l\u00e0m g\u00ec, th\u00ec c\u00e1c ph\u1ee5 thu\u1ed9c v\u1ec1 th\u1eddi gian x\u00e1c \u0111\u1ecbnhkhi n\u00e0o<\/em>v\u00e0nhanh \u0111\u1ebfn m\u1ee9c n\u00e0o<\/em>n\u00f3 ph\u1ea3n \u1ee9ng. \u0110\u1ed1i v\u1edbi c\u00e1c \u0111\u1ed9i nh\u00f3m li\u00ean ch\u1ee9c n\u0103ng bao g\u1ed3m c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n, k\u1ef9 s\u01b0 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng, qu\u1ea3n l\u00fd s\u1ea3n ph\u1ea9m v\u00e0 chuy\u00ean gia v\u1eadn h\u00e0nh, s\u1ef1 m\u01a1 h\u1ed3 trong h\u00e0nh vi theo th\u1eddi gian l\u00e0 ngu\u1ed3n g\u1ed1c ch\u00ednh c\u1ee7a c\u00e1c v\u1ea5n \u0111\u1ec1 h\u1ed3i quy, \u0111\u1ed9 tr\u1ec5 v\u00e0 s\u1ef1 c\u1ed1 trong m\u00f4i tr\u01b0\u1eddng s\u1ea3n xu\u1ea5t. S\u01a1 \u0111\u1ed3 Th\u1eddi gian UML cung c\u1ea5p m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p nghi\u00eam ng\u1eb7t \u0111\u1ec3 tr\u1ef1c quan h\u00f3a c\u00e1c thay \u0111\u1ed5i tr\u1ea1ng th\u00e1i v\u00e0 t\u01b0\u01a1ng t\u00e1c gi\u1eefa c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng theo m\u1ed9t khung th\u1eddi gian c\u1ee5 th\u1ec3. H\u01b0\u1edbng d\u1eabn n\u00e0y n\u00eau r\u00f5 c\u00e1c ti\u00eau chu\u1ea9n thi\u1ebft y\u1ebfu \u0111\u1ec3 ghi ch\u00e9p c\u00e1c ph\u1ee5 thu\u1ed9c n\u00e0y m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 m\u00e0 kh\u00f4ng ph\u1ee5 thu\u1ed9c v\u00e0o c\u00f4ng c\u1ee5 c\u1ee5 th\u1ec3, \u0111\u1ea3m b\u1ea3o s\u1ef1 r\u00f5 r\u00e0ng v\u00e0 ch\u00ednh x\u00e1c cho t\u1ea5t c\u1ea3 c\u00e1c b\u00ean li\u00ean quan.<\/p>\n

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\"Line<\/figure>\n<\/div>\n

\ud83e\udde9 Hi\u1ec3u B\u1ed1i C\u1ea3nh S\u01a1 \u0110\u1ed3 Th\u1eddi Gian<\/h2>\n

S\u01a1 \u0111\u1ed3 Th\u1eddi gian l\u00e0 m\u1ed9t lo\u1ea1i s\u01a1 \u0111\u1ed3 T\u01b0\u01a1ng t\u00e1c c\u1ee5 th\u1ec3 trong gia \u0111\u00ecnh Ng\u00f4n ng\u1eef M\u00f4 h\u00ecnh H\u00f3a \u0110\u01a1n Nh\u1ea5t (UML). Kh\u00e1c v\u1edbi S\u01a1 \u0111\u1ed3 Th\u1ee9 T\u1ef1, t\u1eadp trung ch\u1ee7 y\u1ebfu v\u00e0o th\u1ee9 t\u1ef1 c\u00e1c tin nh\u1eafn \u0111\u01b0\u1ee3c trao \u0111\u1ed5i gi\u1eefa c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng, S\u01a1 \u0111\u1ed3 Th\u1eddi gian nh\u1ea5n m\u1ea1nh v\u00e0o th\u1eddi \u0111i\u1ec3m ch\u00ednh x\u00e1c c\u1ee7a c\u00e1c chuy\u1ec3n \u0111\u1ed5i tr\u1ea1ng th\u00e1i v\u00e0 th\u1eddi l\u01b0\u1ee3ng c\u1ee7a c\u00e1c ho\u1ea1t \u0111\u1ed9ng. Trong c\u00e1c h\u1ec7 th\u1ed1ng m\u00e0 t\u1eebng mili gi\u00e2y \u0111\u1ec1u quan tr\u1ecdng\u2014nh\u01b0 x\u1eed l\u00fd giao d\u1ecbch t\u00e0i ch\u00ednh, thu th\u1eadp d\u1eef li\u1ec7u c\u1ea3m bi\u1ebfn th\u1eddi gian th\u1ef1c ho\u1eb7c c\u00e1c v\u00f2ng \u0111i\u1ec1u khi\u1ec3n quan tr\u1ecdng v\u1ec1 an to\u00e0n\u2014vi\u1ec7c hi\u1ec3u r\u00f5 c\u00e1c r\u00e0ng bu\u1ed9c theo th\u1eddi gian l\u00e0 \u0111i\u1ec1u kh\u00f4ng th\u1ec3 b\u1ecf qua.<\/p>\n

Khi m\u00f4 h\u00ecnh h\u00f3a c\u00e1c s\u01a1 \u0111\u1ed3 n\u00e0y, tr\u1ecdng t\u00e2m chuy\u1ec3n t\u1eeb lu\u1ed3ng logic sang \u0111\u1ed9 ch\u00ednh x\u00e1c theo th\u1eddi gian. Tr\u1ee5c ngang \u0111\u1ea1i di\u1ec7n cho th\u1eddi gian, trong khi tr\u1ee5c d\u1ecdc \u0111\u1ea1i di\u1ec7n cho c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng ho\u1eb7c c\u00e1c \u0111\u01b0\u1eddng s\u1ed1ng kh\u00e1c nhau. S\u1ef1 ph\u00e2n bi\u1ec7t tr\u1ef1c quan n\u00e0y gi\u00fap c\u00e1c \u0111\u1ed9i nh\u00f3m ph\u00e1t hi\u1ec7n c\u00e1c \u0111i\u1ec1u ki\u1ec7n c\u1ea1nh tranh, c\u00e1c \u0111i\u1ec3m ngh\u1ebdn \u0111\u1ed9 tr\u1ec5 v\u00e0 c\u00e1c ch\u1ed3ng ch\u00e9o tr\u1ea1ng th\u00e1i m\u00e0 c\u00e1c s\u01a1 \u0111\u1ed3 lu\u1ed3ng th\u00f4ng th\u01b0\u1eddng th\u01b0\u1eddng che gi\u1ea5u.<\/p>\n

\ud83e\udd1d T\u1ea1i Sao C\u00e1c \u0110\u1ed9i Nh\u00f3m Li\u00ean Ch\u1ee9c N\u0103ng C\u1ea7n \u0110\u1ed9 Ch\u00ednh X\u00e1c Theo Th\u1eddi Gian<\/h2>\n

C\u00e1c \u0111\u1ed9i ph\u00e1t tri\u1ec3n th\u01b0\u1eddng xem th\u1eddi gian l\u00e0 v\u1ea5n \u0111\u1ec1 ph\u00eda sau, trong khi v\u1eadn h\u00e0nh xem n\u00f3 l\u00e0 h\u1ea1 t\u1ea7ng. C\u00e1c qu\u1ea3n l\u00fd s\u1ea3n ph\u1ea9m t\u1eadp trung v\u00e0o k\u1ef3 v\u1ecdng tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng. Khi c\u00e1c quan \u0111i\u1ec3m n\u00e0y kh\u00f4ng \u0111\u01b0\u1ee3c th\u1ed1ng nh\u1ea5t th\u00f4ng qua m\u1ed9t m\u00f4 h\u00ecnh chung, s\u1ef1 m\u00e2u thu\u1eabn s\u1ebd x\u1ea3y ra. M\u1ed9t S\u01a1 \u0111\u1ed3 Th\u1eddi gian th\u1ed1ng nh\u1ea5t \u0111\u00f3ng vai tr\u00f2 l\u00e0 ngu\u1ed3n th\u00f4ng tin duy nh\u1ea5t v\u1ec1 c\u00e1c k\u1ef3 v\u1ecdng theo th\u1eddi gian.<\/p>\n

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  • C\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n:<\/strong>Y\u00eau c\u1ea7u c\u00e1c \u0111\u1ecbnh ngh\u0129a r\u00f5 r\u00e0ng v\u1ec1 ng\u01b0\u1ee1ng th\u1eddi gian ch\u1edd, tr\u1ea1ng th\u00e1i b\u1ecb ch\u1eb7n v\u00e0 c\u00e1c kho\u1ea3ng th\u1eddi gian x\u1eed l\u00fd b\u1ea5t \u0111\u1ed3ng b\u1ed9 \u0111\u1ec3 vi\u1ebft m\u00e3 ngu\u1ed3n v\u1eefng ch\u1eafc.<\/li>\n
  • \u0110\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng:<\/strong>S\u1eed d\u1ee5ng d\u1eef li\u1ec7u th\u1eddi gian \u0111\u1ec3 t\u1ea1o c\u00e1c tr\u01b0\u1eddng h\u1ee3p ki\u1ec3m th\u1eed hi\u1ec7u n\u0103ng, \u0111\u1eb7c bi\u1ec7t nh\u1eafm v\u00e0o c\u00e1c tr\u01b0\u1eddng h\u1ee3p bi\u00ean m\u00e0 \u0111\u1ed9 tr\u1ec5 d\u1eabn \u0111\u1ebfn l\u1ed7i.<\/li>\n
  • C\u00e1c qu\u1ea3n l\u00fd s\u1ea3n ph\u1ea9m:<\/strong>X\u00e1c \u0111\u1ecbnh c\u00e1c th\u1ecfa thu\u1eadn c\u1ea5p d\u1ecbch v\u1ee5 (SLA) v\u00e0 c\u00e1c y\u00eau c\u1ea7u \u0111\u1ed9 tr\u1ec5 c\u1ea3m nh\u1eadn \u0111\u01b0\u1ee3c b\u1edfi ng\u01b0\u1eddi d\u00f9ng d\u1ef1a tr\u00ean h\u00e0nh vi \u0111\u01b0\u1ee3c m\u00f4 h\u00ecnh h\u00f3a.<\/li>\n
  • V\u1eadn h\u00e0nh:<\/strong>Gi\u00e1m s\u00e1t s\u1ee9c kh\u1ecfe h\u1ec7 th\u1ed1ng so v\u1edbi c\u00e1c chu\u1ea9n m\u1ef1c \u0111\u01b0\u1ee3c m\u00f4 h\u00ecnh h\u00f3a, x\u00e1c \u0111\u1ecbnh khi hi\u1ec7u su\u1ea5t th\u1ef1c t\u1ebf l\u1ec7ch kh\u1ecfi y\u00eau c\u1ea7u thi\u1ebft k\u1ebf.<\/li>\n<\/ul>\n

    Kh\u00f4ng c\u00f3 c\u00e1ch ti\u1ebfp c\u1eadn chu\u1ea9n h\u00f3a \u0111\u1ec3 ghi ch\u00e9p c\u00e1c ph\u1ee5 thu\u1ed9c n\u00e0y, c\u00e1c \u0111\u1ed9i nh\u00f3m c\u00f3 nguy c\u01a1 \u0111\u01b0a ra gi\u1ea3 \u0111\u1ecbnh. M\u1ed9t nh\u00e0 ph\u00e1t tri\u1ec3n c\u00f3 th\u1ec3 cho r\u1eb1ng ph\u1ea3n h\u1ed3i \u0111\u1ebfn trong v\u00f2ng 100ms, trong khi ki\u1ebfn tr\u00fac m\u1ea1ng l\u1ea1i cho r\u1eb1ng l\u00e0 500ms. S\u01a1 \u0111\u1ed3 Th\u1eddi gian gi\u00fap l\u1ea5p \u0111\u1ea7y kho\u1ea3ng c\u00e1ch n\u00e0y b\u1eb1ng c\u00e1ch l\u00e0m r\u00f5 v\u00e0 c\u00f3 th\u1ec3 \u0111o l\u01b0\u1eddng \u0111\u01b0\u1ee3c c\u00e1c gi\u1ea3 \u0111\u1ecbnh.<\/p>\n

    \ud83d\udee0 C\u00e1c Y\u1ebfu T\u1ed1 C\u1ed1t L\u00f5i c\u1ee7a T\u00e0i Li\u1ec7u Th\u1eddi Gian Hi\u1ec7u Qu\u1ea3<\/h2>\n

    \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o s\u01a1 \u0111\u1ed3 d\u1ec5 \u0111\u1ecdc v\u00e0 c\u00f3 th\u1ec3 h\u00e0nh \u0111\u1ed9ng \u0111\u01b0\u1ee3c, c\u00e1c y\u1ebfu t\u1ed1 c\u1ee5 th\u1ec3 ph\u1ea3i \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c. Tr\u00e1nh s\u1ef1 l\u1ed9n x\u1ed9n trong khi duy tr\u00ec \u0111\u1ed9 ch\u00ednh x\u00e1c l\u00e0 th\u00e1ch th\u1ee9c ch\u00ednh.<\/p>\n

    1. C\u00e1c \u0111\u01b0\u1eddng s\u1ed1ng v\u00e0 \u0111\u1ed9 chi ti\u1ebft<\/h3>\n

    C\u00e1c \u0111\u01b0\u1eddng s\u1ed1ng \u0111\u1ea1i di\u1ec7n cho c\u00e1c b\u00ean tham gia t\u01b0\u01a1ng t\u00e1c. Trong S\u01a1 \u0111\u1ed3 Th\u1eddi gian, ch\u00fang n\u00ean t\u01b0\u01a1ng \u1ee9ng v\u1edbi c\u00e1c th\u00e0nh ph\u1ea7n ch\u1ee9c n\u0103ng ri\u00eang bi\u1ec7t thay v\u00ec t\u1eebng d\u00f2ng m\u00e3 c\u1ee5 th\u1ec3. Gom c\u00e1c quy tr\u00ecnh li\u00ean quan d\u01b0\u1edbi m\u1ed9t \u0111\u01b0\u1eddng s\u1ed1ng duy nh\u1ea5t gi\u00fap gi\u1ea3m ti\u1ebfng \u1ed3n th\u1ecb gi\u00e1c.<\/p>\n

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    • X\u00e1c \u0111\u1ecbnh ph\u1ea1m vi:<\/strong>\u0110\u1ea3m b\u1ea3o m\u1ed7i \u0111\u01b0\u1eddng s\u1ed1ng \u0111\u1ea1i di\u1ec7n cho m\u1ed9t d\u1ecbch v\u1ee5, module ho\u1eb7c th\u00e0nh ph\u1ea7n ph\u1ea7n c\u1ee9ng ri\u00eang bi\u1ec7t.<\/li>\n
    • T\u00ean g\u1ecdi nh\u1ea5t qu\u00e1n:<\/strong>S\u1eed d\u1ee5ng t\u00ean theo h\u01b0\u1edbng d\u1eabn l\u0129nh v\u1ef1c (v\u00ed d\u1ee5: “PaymentService<\/code>) thay v\u00ec t\u00ean tri\u1ec3n khai k\u1ef9 thu\u1eadt (v\u00ed d\u1ee5: PaymentController_v2<\/code>) \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 b\u1ec1n l\u00e2u d\u00e0i.<\/li>\n
    • Ph\u00e2n nh\u00f3m:<\/strong> S\u1eed d\u1ee5ng c\u00e1c lu\u1ed3ng n\u01b0\u1edbc ho\u1eb7c khung nh\u00f3m cho c\u00e1c h\u1ec7 th\u1ed1ng con li\u00ean quan \u0111\u1ec3 qu\u1ea3n l\u00fd \u0111\u1ed9 ph\u1ee9c t\u1ea1p.<\/li>\n<\/ul>\n

      2. Thanh th\u1eddi gian v\u00e0 tr\u1ea1ng th\u00e1i chi\u1ebfm d\u1ee5ng<\/h3>\n

      Bi\u1ec3u di\u1ec5n tr\u1ef1c quan v\u1ec1 ho\u1ea1t \u0111\u1ed9ng l\u00e0 r\u1ea5t quan tr\u1ecdng. C\u00e1c thanh th\u1eddi gian (ho\u1eb7c \u0111i\u1ec3m t\u1eadp trung ki\u1ec3m so\u00e1t) cho bi\u1ebft khi n\u00e0o m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng \u0111ang x\u1eed l\u00fd m\u1ed9t y\u00eau c\u1ea7u m\u1ed9t c\u00e1ch t\u00edch c\u1ef1c. C\u00e1c thanh chi\u1ebfm d\u1ee5ng tr\u1ea1ng th\u00e1i cho th\u1ea5y khi n\u00e0o m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng \u0111ang \u1edf tr\u1ea1ng th\u00e1i c\u1ee5 th\u1ec3.<\/p>\n

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      • X\u1eed l\u00fd \u0111ang ho\u1ea1t \u0111\u1ed9ng:<\/strong> S\u1eed d\u1ee5ng c\u00e1c thanh li\u00ean t\u1ee5c \u0111\u1ec3 ch\u1ec9 ra qu\u00e1 tr\u00ecnh t\u00ednh to\u00e1n \u0111ang ho\u1ea1t \u0111\u1ed9ng ho\u1eb7c th\u1eddi gian ch\u1edd.<\/li>\n
      • Thay \u0111\u1ed5i tr\u1ea1ng th\u00e1i:<\/strong> Ghi ch\u00fa r\u00f5 r\u00e0ng c\u00e1c chuy\u1ec3n ti\u1ebfp b\u1eb1ng c\u00e1c \u0111\u01b0\u1eddng th\u1eb3ng \u0111\u1ee9ng cho th\u1ea5y th\u1eddi \u0111i\u1ec3m ch\u00ednh x\u00e1c tr\u1ea1ng th\u00e1i thay \u0111\u1ed5i.<\/li>\n
      • Nh\u00e3n th\u1eddi l\u01b0\u1ee3ng:<\/strong> Ghi ch\u00fa c\u00e1c thanh b\u1eb1ng c\u00e1c gi\u00e1 tr\u1ecb th\u1eddi gian c\u1ee5 th\u1ec3 (v\u00ed d\u1ee5: \u201c50ms\u201d, \u201c2s\u201d) thay v\u00ec m\u00f4 t\u1ea3 t\u01b0\u01a1ng \u0111\u1ed1i nh\u01b0 \u201cth\u1eddi l\u01b0\u1ee3ng ng\u1eafn\u201d.<\/li>\n<\/ul>\n

        3. Th\u1eddi gian tin nh\u1eafn v\u00e0 \u0111\u1ed9 tr\u1ec5<\/h3>\n

        C\u00e1c tin nh\u1eafn g\u1eedi gi\u1eefa c\u00e1c lu\u1ed3ng s\u1ed1ng kh\u00f4ng di\u1ec5n ra t\u1ee9c th\u00ec trong th\u1ef1c t\u1ebf. C\u00e1c s\u01a1 \u0111\u1ed3 th\u1eddi gian cho ph\u00e9p b\u1ea1n m\u00f4 h\u00ecnh h\u00f3a \u0111\u1ed9 tr\u1ec5 gi\u1eefa vi\u1ec7c g\u1eedi v\u00e0 nh\u1eadn.<\/p>\n

          \n
        • \u0110\u1ed9 tr\u1ec5 r\u00f5 r\u00e0ng:<\/strong> Ghi ch\u00fa \u0111\u1ed9 tr\u1ec5 m\u1ea1ng ho\u1eb7c x\u1eed l\u00fd gi\u1eefa cu\u1ed1i m\u1ed9t thanh v\u00e0 \u0111\u1ea7u thanh kh\u00e1c.<\/li>\n
        • T\u00edn hi\u1ec7u b\u1ea5t \u0111\u1ed3ng b\u1ed9:<\/strong> Ph\u00e2n bi\u1ec7t r\u00f5 r\u00e0ng gi\u1eefa c\u00e1c l\u1eddi g\u1ecdi \u0111\u1ed3ng b\u1ed9 (ch\u1eb7n) v\u00e0 t\u00edn hi\u1ec7u b\u1ea5t \u0111\u1ed3ng b\u1ed9 (g\u1eedi \u0111i r\u1ed3i qu\u00ean).<\/li>\n
        • H\u1ea1n ch\u1ebf th\u1eddi gian ch\u1edd:<\/strong> Ghi ch\u00fa \u0111i\u1ec3m m\u00e0 qu\u00e1 tr\u00ecnh ch\u1edd n\u00ean b\u1ecb h\u1ee7y n\u1ebfu kh\u00f4ng nh\u1eadn \u0111\u01b0\u1ee3c ph\u1ea3n h\u1ed3i.<\/li>\n<\/ul>\n

          \ud83d\udccb Chu\u1ea9n h\u00f3a c\u00e1c ph\u1ee5 thu\u1ed9c v\u1ec1 th\u1eddi gian: C\u00e1c th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t<\/h2>\n

          Ch\u1ea5t l\u01b0\u1ee3ng t\u00e0i li\u1ec7u ph\u1ee5 thu\u1ed9c v\u00e0o t\u00ednh nh\u1ea5t qu\u00e1n. C\u00e1c th\u1ef1c h\u00e0nh sau \u0111\u00e2y gi\u00fap duy tr\u00ec ti\u00eau chu\u1ea9n cao trong m\u00f4 h\u00ecnh h\u00f3a th\u1eddi gian tr\u00ean to\u00e0n t\u1ed5 ch\u1ee9c.<\/p>\n

          1. Thi\u1ebft l\u1eadp c\u01a1 s\u1edf th\u1eddi gian<\/h3>\n

          Tr\u01b0\u1edbc khi v\u1ebd b\u1ea5t k\u1ef3 \u0111\u01b0\u1eddng n\u00e0o, h\u00e3y th\u1ed1ng nh\u1ea5t \u0111\u01a1n v\u1ecb th\u1eddi gian cho s\u01a1 \u0111\u1ed3. Vi\u1ec7c tr\u1ed9n l\u1eabn mili gi\u00e2y v\u00e0 gi\u00e2y trong c\u00f9ng m\u1ed9t g\u00f3c nh\u00ecn s\u1ebd t\u1ea1o \u00e1p l\u1ef1c nh\u1eadn th\u1ee9c v\u00e0 l\u00e0m t\u0103ng nguy c\u01a1 sai s\u00f3t t\u00ednh to\u00e1n.<\/p>\n

            \n
          • \u0110\u01a1n v\u1ecb \u0111\u1ed3ng nh\u1ea5t:<\/strong> Ch\u1ecdn m\u1ed9t \u0111\u01a1n v\u1ecb c\u01a1 s\u1edf (v\u00ed d\u1ee5: mili gi\u00e2y) cho to\u00e0n b\u1ed9 s\u01a1 \u0111\u1ed3 ho\u1eb7c ghi r\u00f5 \u0111\u01a1n v\u1ecb cho t\u1eebng nh\u00e3n.<\/li>\n
          • T\u00ednh nh\u1ea5t qu\u00e1n v\u1ec1 thang \u0111o:<\/strong> \u0110\u1ea3m b\u1ea3o kho\u1ea3ng c\u00e1ch tr\u1ef1c quan tr\u00ean tr\u1ee5c ngang t\u01b0\u01a1ng quan tuy\u1ebfn t\u00ednh v\u1edbi gi\u00e1 tr\u1ecb th\u1eddi gian.<\/li>\n<\/ul>\n

            2. M\u00f4 h\u00ecnh h\u00f3a c\u00e1c chuy\u1ec3n \u0111\u1ed5i tr\u1ea1ng th\u00e1i m\u1ed9t c\u00e1ch r\u00f5 r\u00e0ng<\/h3>\n

            Nhi\u1ec1u v\u1ea5n \u0111\u1ec1 v\u1ec1 th\u1eddi gian ph\u00e1t sinh t\u1eeb vi\u1ec7c c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng \u1edf tr\u1ea1ng th\u00e1i sai v\u00e0o th\u1eddi \u0111i\u1ec3m sai. Vi\u1ec7c ghi ch\u00e9p c\u00e1c chuy\u1ec3n \u0111\u1ed5i tr\u1ea1ng th\u00e1i gi\u00fap ng\u0103n ng\u1eeba c\u00e1c l\u1ed7i logic.<\/p>\n

              \n
            • C\u00e1c ranh gi\u1edbi tr\u1ea1ng th\u00e1i:<\/strong>R\u00f5 r\u00e0ng v\u1ebd c\u00e1c \u0111i\u1ec3m chuy\u1ec3n ti\u1ebfp n\u01a1i \u0111\u1ed1i t\u01b0\u1ee3ng chuy\u1ec3n t\u1eebNg\u01b0ng ho\u1ea1t \u0111\u1ed9ng<\/em>sang\u0110ang x\u1eed l\u00fd<\/em>sang\u0110\u00e3 ho\u00e0n th\u00e0nh<\/em>.<\/li>\n
            • C\u00e1c tr\u1ea1ng th\u00e1i kh\u00f4ng h\u1ee3p l\u1ec7:<\/strong>Tr\u1ef1c quan h\u00f3a \u0111i\u1ec1u g\u00ec x\u1ea3y ra khi g\u1eb7p ph\u1ea3i tr\u1ea1ng th\u00e1i kh\u00f4ng h\u1ee3p l\u1ec7 trong m\u1ed9t kho\u1ea3ng th\u1eddi gian nh\u1ea5t \u0111\u1ecbnh.<\/li>\n
            • C\u1eeda s\u1ed5 ph\u1ee5c h\u1ed3i:<\/strong>Hi\u1ec3n th\u1ecb th\u1eddi gian \u0111\u01b0\u1ee3c d\u00e0nh cho vi\u1ec7c ph\u1ee5c h\u1ed3i l\u1ed7i tr\u01b0\u1edbc khi h\u1ec7 th\u1ed1ng h\u1ebft th\u1eddi gian ch\u1edd.<\/li>\n<\/ul>\n

              3. X\u1eed l\u00fd t\u00ednh \u0111\u1ed3ng th\u1eddi v\u00e0 song song<\/h3>\n

              C\u00e1c h\u1ec7 th\u1ed1ng ph\u1ee9c t\u1ea1p hi\u1ebfm khi th\u1ef1c thi theo c\u00e1ch tuy\u1ebfn t\u00ednh nghi\u00eam ng\u1eb7t. C\u00e1c \u0111\u01b0\u1eddng th\u1ef1c thi song song ph\u1ea3i \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n \u0111\u1ec3 tr\u00e1nh c\u00e1c l\u1ed7i do \u0111i\u1ec1u ki\u1ec7n c\u1ea1nh tranh.<\/p>\n

                \n
              • C\u00e1c khung song song:<\/strong>S\u1eed d\u1ee5ng c\u00e1c khung song song \u0111\u1ec3 ch\u1ec9 ra r\u1eb1ng nhi\u1ec1u lu\u1ed3ng \u0111\u1eddi \u0111ang ho\u1ea1t \u0111\u1ed9ng \u0111\u1ed3ng th\u1eddi.<\/li>\n
              • Kh\u00f3a t\u00e0i nguy\u00ean:<\/strong>Ch\u1ec9 ra n\u1ebfu c\u00e1c qu\u00e1 tr\u00ecnh song song c\u1ea1nh tranh cho c\u00f9ng m\u1ed9t t\u00e0i nguy\u00ean, t\u1ea1o ra \u0111i\u1ec3m ngh\u1ebdn ti\u1ec1m t\u00e0ng.<\/li>\n
              • C\u00e1c \u0111i\u1ec3m \u0111\u1ed3ng b\u1ed9:<\/strong>Ghi ch\u00fa th\u1eddi \u0111i\u1ec3m ch\u00ednh x\u00e1c m\u00e0 c\u00e1c lu\u1ed3ng song song ph\u1ea3i h\u1ed9i t\u1ee5 tr\u01b0\u1edbc khi ti\u1ebfp t\u1ee5c.<\/li>\n<\/ul>\n

                4. Ghi ch\u00fa c\u00e1c y\u00eau c\u1ea7u phi ch\u1ee9c n\u0103ng<\/h3>\n

                S\u01a1 \u0111\u1ed3 th\u1eddi gian l\u00e0 n\u01a1i l\u00fd t\u01b0\u1edfng \u0111\u1ec3 nh\u00fang c\u00e1c r\u00e0ng bu\u1ed9c th\u01b0\u1eddng \u0111\u01b0\u1ee3c coi l\u00e0 t\u00e0i li\u1ec7u ri\u00eang bi\u1ec7t.<\/p>\n

                  \n
                • Tu\u00e2n th\u1ee7 SLA:<\/strong>Th\u00eam ghi ch\u00fa ch\u1ec9 ra nh\u1eefng ph\u1ea7n n\u00e0o c\u1ee7a lu\u1ed3ng l\u00e0 quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea1t m\u1ee5c ti\u00eau SLA.<\/li>\n
                • Ng\u00e2n s\u00e1ch \u0111\u1ed9 tr\u1ec5:<\/strong>X\u00e1c \u0111\u1ecbnh \u0111\u1ed9 tr\u1ec5 t\u1ed1i \u0111a \u0111\u01b0\u1ee3c ph\u00e9p cho t\u1eebng \u0111o\u1ea1n t\u01b0\u01a1ng t\u00e1c.<\/li>\n
                • M\u1ee9c \u0111\u1ed9 \u01b0u ti\u00ean:<\/strong>Ghi ch\u00fa c\u00e1c t\u01b0\u01a1ng t\u00e1c c\u00f3 \u0111\u1ed9 \u01b0u ti\u00ean cao kh\u00f4ng n\u00ean b\u1ecb tr\u00ec ho\u00e3n b\u1edfi c\u00e1c qu\u00e1 tr\u00ecnh n\u1ec1n.<\/li>\n<\/ul>\n

                  5. Qu\u1ea3n l\u00fd c\u00e1c t\u01b0\u01a1ng t\u00e1c b\u1ea5t \u0111\u1ed3ng b\u1ed9 m\u1ed9t c\u00e1ch c\u1ea9n th\u1eadn<\/h3>\n

                  C\u00e1c tin nh\u1eafn b\u1ea5t \u0111\u1ed3ng b\u1ed9 ph\u1ed5 bi\u1ebfn trong c\u00e1c ki\u1ebfn tr\u00fac hi\u1ec7n \u0111\u1ea1i nh\u01b0ng c\u00f3 th\u1ec3 l\u00e0m m\u1edd c\u00e1c m\u1ed1i ph\u1ee5 thu\u1ed9c n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c t\u00e0i li\u1ec7u h\u00f3a \u0111\u00fang c\u00e1ch.<\/p>\n

                    \n
                  • Th\u1eddi \u0111i\u1ec3m g\u1ecdi l\u1ea1i:<\/strong> N\u1ebfu m\u1ed9t l\u1eddi g\u1ecdi l\u1ea1i \u0111\u01b0\u1ee3c mong \u0111\u1ee3i, h\u00e3y m\u00f4 h\u00ecnh h\u00f3a kho\u1ea3ng th\u1eddi gian m\u00e0 n\u00f3 ph\u1ea3i \u0111\u1ebfn.<\/li>\n
                  • \u0110\u1ee3i h\u00e0ng:<\/strong> N\u1ebfu tin nh\u1eafn \u0111i v\u00e0o h\u00e0ng \u0111\u1ee3i, h\u00e3y m\u00f4 h\u00ecnh h\u00f3a \u0111\u1ed9 s\u00e2u h\u00e0ng \u0111\u1ee3i v\u00e0 th\u1eddi gian x\u1eed l\u00fd.<\/li>\n
                  • Lu\u1ed3ng d\u1ef1a tr\u00ean s\u1ef1 ki\u1ec7n:<\/strong> \u0110\u1ea3m b\u1ea3o c\u00e1c s\u1ef1 ki\u1ec7n k\u00edch ho\u1ea1t \u0111\u01b0\u1ee3c li\u00ean k\u1ebft v\u1edbi c\u00e1c kho\u1ea3ng th\u1eddi gian c\u1ee5 th\u1ec3 m\u00e0 ch\u00fang h\u1ee3p l\u1ec7.<\/li>\n<\/ul>\n

                    \ud83d\udcca So s\u00e1nh: S\u01a1 \u0111\u1ed3 th\u1eddi gian so v\u1edbi s\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1<\/h2>\n

                    \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o c\u00f4ng c\u1ee5 \u0111\u00fang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho nhi\u1ec7m v\u1ee5, c\u00e1c nh\u00f3m ph\u1ea3i hi\u1ec3u r\u00f5 s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa hai lo\u1ea1i t\u00e0i li\u1ec7u m\u00f4 h\u00ecnh h\u00f3a n\u00e0y. S\u1ef1 nh\u1ea7m l\u1eabn th\u01b0\u1eddng d\u1eabn \u0111\u1ebfn s\u1ef1 bloat t\u00e0i li\u1ec7u.<\/p>\n\n\n\n\n\n\n\n\n\n
                    T\u00ednh n\u0103ng<\/th>\nS\u01a1 \u0111\u1ed3 th\u1eddi gian<\/th>\nS\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1<\/th>\n<\/tr>\n<\/thead>\n
                    Tr\u1ecdng t\u00e2m ch\u00ednh<\/strong><\/td>\nThay \u0111\u1ed5i tr\u1ea1ng th\u00e1i v\u00e0 th\u1eddi l\u01b0\u1ee3ng th\u1eddi gian<\/td>\nTh\u1ee9 t\u1ef1 trao \u0111\u1ed5i tin nh\u1eafn<\/td>\n<\/tr>\n
                    Bi\u1ec3u di\u1ec5n th\u1eddi gian<\/strong><\/td>\nTr\u1ee5c ngang (thang \u0111o r\u00f5 r\u00e0ng)<\/td>\nD\u00f2ng ch\u1ea3y d\u1ecdc (th\u1ee9 t\u1ef1 t\u01b0\u01a1ng \u0111\u1ed1i)<\/td>\n<\/tr>\n
                    Tr\u1ef1c quan h\u00f3a tr\u1ea1ng th\u00e1i<\/strong><\/td>\nC\u00e1c thanh chi\u1ebfm d\u1ee5ng tr\u1ea1ng th\u00e1i<\/td>\nCh\u1ec9 t\u1eadp trung v\u00e0o c\u00e1c thanh \u0111i\u1ec1u khi\u1ec3n<\/td>\n<\/tr>\n
                    Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng t\u1ed1t nh\u1ea5t<\/strong><\/td>\nHi\u1ec7u su\u1ea5t, th\u1eddi gian ch\u1edd, \u0111\u1ed9 tr\u1ec5<\/td>\nLu\u1ed3ng logic, x\u1eed l\u00fd l\u1ed7i<\/td>\n<\/tr>\n
                    \u0110\u1ed9 ph\u1ee9c t\u1ea1p<\/strong><\/td>\nCao (Y\u00eau c\u1ea7u th\u1eddi gian ch\u00ednh x\u00e1c)<\/td>\nTrung b\u00ecnh (T\u1eadp trung v\u00e0o c\u1ea5u tr\u00fac)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                    \ud83d\udd04 Quy tr\u00ecnh h\u1ee3p t\u00e1c v\u00e0 xem x\u00e9t<\/h2>\n

                    Vi\u1ec7c t\u1ea1o s\u01a1 \u0111\u1ed3 ch\u1ec9 l\u00e0 m\u1ed9t n\u1eeda cu\u1ed9c chi\u1ebfn. \u0110\u1ea3m b\u1ea3o n\u00f3 v\u1eabn ch\u00ednh x\u00e1c \u0111\u00f2i h\u1ecfi m\u1ed9t quy tr\u00ecnh xem x\u00e9t c\u00f3 c\u1ea5u tr\u00fac, bao g\u1ed3m t\u1ea5t c\u1ea3 c\u00e1c khu v\u1ef1c ch\u1ee9c n\u0103ng.<\/p>\n

                    1. Xem x\u00e9t c\u1ee7a c\u00e1c b\u00ean li\u00ean quan<\/h3>\n

                    Tr\u01b0\u1edbc khi ho\u00e0n t\u1ea5t, s\u01a1 \u0111\u1ed3 ph\u1ea3i \u0111\u01b0\u1ee3c xem x\u00e9t b\u1edfi \u0111\u1ea1i di\u1ec7n t\u1eeb m\u1ed7i nh\u00f3m tham gia v\u00e0o h\u1ec7 th\u1ed1ng.<\/p>\n

                      \n
                    • Xem x\u00e9t c\u1ee7a Dev:<\/strong>X\u00e1c minh t\u00ednh kh\u1ea3 thi k\u1ef9 thu\u1eadt c\u1ee7a c\u00e1c gi\u1edbi h\u1ea1n th\u1eddi gian \u0111\u01b0\u1ee3c n\u00eau ra.<\/li>\n
                    • Xem x\u00e9t c\u1ee7a QA:<\/strong>X\u00e1c nh\u1eadn r\u1eb1ng c\u00e1c ng\u01b0\u1ee1ng th\u1eddi gian c\u00f3 th\u1ec3 ki\u1ec3m th\u1eed \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh.<\/li>\n
                    • Xem x\u00e9t c\u1ee7a Ops:<\/strong>X\u00e1c nh\u1eadn r\u1eb1ng gi\u00e1m s\u00e1t c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n c\u00e1c sai l\u1ec7ch so v\u1edbi m\u00f4 h\u00ecnh.<\/li>\n<\/ul>\n

                      2. Ki\u1ec3m so\u00e1t phi\u00ean b\u1ea3n v\u00e0 qu\u1ea3n l\u00fd thay \u0111\u1ed5i<\/h3>\n

                      Y\u00eau c\u1ea7u v\u1ec1 th\u1eddi gian th\u01b0\u1eddng thay \u0111\u1ed5i khi h\u1ea1 t\u1ea7ng ph\u00e1t tri\u1ec3n. T\u00e0i li\u1ec7u ph\u1ea3i \u0111\u01b0\u1ee3c g\u00e1n phi\u00ean b\u1ea3n \u0111\u1ec3 theo d\u00f5i nh\u1eefng thay \u0111\u1ed5i n\u00e0y.<\/p>\n

                        \n
                      • S\u1ed5 ghi ch\u00e9p thay \u0111\u1ed5i:<\/strong>Ghi l\u1ea1i m\u1ecdi thay \u0111\u1ed5i \u0111\u1ed1i v\u1edbi gi\u1edbi h\u1ea1n th\u1eddi gian v\u00e0 l\u00fd do \u0111\u1eb1ng sau n\u00f3.<\/li>\n
                      • Ph\u00e2n t\u00edch t\u00e1c \u0111\u1ed9ng:<\/strong>Khi m\u1ed9t gi\u1edbi h\u1ea1n th\u1eddi gian thay \u0111\u1ed5i, x\u00e1c \u0111\u1ecbnh t\u1ea5t c\u1ea3 c\u00e1c ph\u1ee5 thu\u1ed9c ph\u00eda sau b\u1ecb \u1ea3nh h\u01b0\u1edfng.<\/li>\n
                      • L\u01b0u tr\u1eef c\u00e1c phi\u00ean b\u1ea3n c\u0169:<\/strong>Gi\u1eef l\u1ea1i c\u00e1c s\u01a1 \u0111\u1ed3 l\u1ecbch s\u1eed \u0111\u1ec3 ki\u1ec3m to\u00e1n v\u00e0 x\u1eed l\u00fd s\u1ef1 c\u1ed1 trong qu\u00e1 kh\u1ee9.<\/li>\n<\/ul>\n

                        3. T\u00edch h\u1ee3p v\u1edbi c\u00e1c y\u00eau c\u1ea7u<\/h3>\n

                        C\u00e1c r\u00e0ng bu\u1ed9c th\u1eddi gian c\u1ea7n \u0111\u01b0\u1ee3c truy xu\u1ea5t v\u1ec1 c\u00e1c y\u00eau c\u1ea7u c\u1ee5 th\u1ec3 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o kh\u00f4ng c\u00f3 g\u00ec b\u1ecb b\u1ecf s\u00f3t trong t\u00e0i li\u1ec7u.<\/p>\n

                          \n
                        • Ma tr\u1eadn kh\u1ea3 n\u0103ng truy xu\u1ea5t:<\/strong>Li\u00ean k\u1ebft m\u1ed7i r\u00e0ng bu\u1ed9c th\u1eddi gian trong s\u01a1 \u0111\u1ed3 v\u1edbi m\u1ed9t ID y\u00eau c\u1ea7u c\u1ee5 th\u1ec3.<\/li>\n
                        • Ph\u00e2n t\u00edch kho\u1ea3ng tr\u1ed1ng:<\/strong>Ki\u1ec3m tra xem c\u00f3 y\u00eau c\u1ea7u n\u00e0o thi\u1ebfu bi\u1ec3u di\u1ec5n tr\u1ef1c quan t\u01b0\u01a1ng \u1ee9ng trong s\u01a1 \u0111\u1ed3 hay kh\u00f4ng.<\/li>\n
                        • X\u00e1c th\u1ef1c:<\/strong>S\u1eed d\u1ee5ng s\u01a1 \u0111\u1ed3 \u0111\u1ec3 x\u00e1c th\u1ef1c r\u1eb1ng t\u1ea5t c\u1ea3 c\u00e1c y\u00eau c\u1ea7u d\u1ef1a tr\u00ean th\u1eddi gian \u0111\u1ec1u \u0111\u01b0\u1ee3c \u0111\u00e1p \u1ee9ng trong thi\u1ebft k\u1ebf.<\/li>\n<\/ul>\n

                          \ud83d\udea7 Nh\u1eefng sai l\u1ea7m ph\u1ed5 bi\u1ebfn c\u1ea7n tr\u00e1nh<\/h2>\n

                          Ngay c\u1ea3 nh\u1eefng ng\u01b0\u1eddi m\u00f4 h\u00ecnh h\u00f3a c\u00f3 kinh nghi\u1ec7m c\u0169ng r\u01a1i v\u00e0o nh\u1eefng c\u00e1i b\u1eaby l\u00e0m gi\u1ea3m gi\u00e1 tr\u1ecb c\u1ee7a S\u01a1 \u0111\u1ed3 Th\u1eddi gian. Nh\u1eadn th\u1ee9c v\u1ec1 nh\u1eefng l\u1ed7i ph\u1ed5 bi\u1ebfn n\u00e0y gi\u00fap duy tr\u00ec ch\u1ea5t l\u01b0\u1ee3ng.<\/p>\n

                            \n
                          • M\u00f4 h\u00ecnh h\u00f3a qu\u00e1 m\u1ee9c:<\/strong><\/strong>Kh\u00f4ng n\u00ean bao g\u1ed3m t\u1eebng mili gi\u00e2y c\u1ee7a qu\u00e1 tr\u00ecnh x\u1eed l\u00fd n\u1ec1n. T\u1eadp trung v\u00e0o \u0111\u01b0\u1eddng \u0111i quan tr\u1ecdng v\u00e0 c\u00e1c \u0111i\u1ec3m ra quy\u1ebft \u0111\u1ecbnh.<\/li>\n
                          • \u0110\u01a1n v\u1ecb th\u1eddi gian m\u01a1 h\u1ed3:<\/strong><\/strong>Kh\u00f4ng bao gi\u1edd tr\u1ed9n l\u1eabn gi\u00e2y v\u00e0 mili gi\u00e2y m\u00e0 kh\u00f4ng c\u00f3 nh\u00e3n r\u00f5 r\u00e0ng. \u0110\u00e2y l\u00e0 ngu\u1ed3n l\u1ed7i t\u00ednh to\u00e1n ph\u1ed5 bi\u1ebfn nh\u1ea5t.<\/li>\n
                          • B\u1ecf qua \u0111\u1ed9 tr\u1ec5 m\u1ea1ng:<\/strong><\/strong>Gi\u1ea3 \u0111\u1ecbnh \u0111\u1ed9 tr\u1ec5 b\u1eb1ng kh\u00f4ng cho c\u00e1c l\u1eddi g\u1ecdi n\u1ed9i b\u1ed9. Trong c\u00e1c h\u1ec7 th\u1ed1ng ph\u00e2n t\u00e1n, \u0111\u1ed9 tr\u1ec5 m\u1ea1ng hi\u1ebfm khi b\u1eb1ng kh\u00f4ng.<\/li>\n
                          • Th\u1eddi gian c\u1ed1 \u0111\u1ecbnh trong c\u00e1c h\u1ec7 th\u1ed1ng \u0111\u1ed9ng:<\/strong><\/strong>Tr\u00e1nh g\u00e1n c\u1ee9ng c\u00e1c gi\u00e1 tr\u1ecb th\u1eddi gian c\u1ed1 \u0111\u1ecbnh n\u1ebfu h\u1ec7 th\u1ed1ng s\u1eed d\u1ee5ng c\u00e1c thu\u1eadt to\u00e1n th\u00edch \u1ee9ng. Thay v\u00e0o \u0111\u00f3, m\u00f4 h\u00ecnh h\u00f3a c\u00e1c kho\u1ea3ng gi\u00e1 tr\u1ecb thay v\u00ec c\u00e1c gi\u00e1 tr\u1ecb c\u1ed1 \u0111\u1ecbnh.<\/li>\n
                          • Thi\u1ebfu c\u00e1c \u0111\u01b0\u1eddng d\u1eabn l\u1ed7i:<\/strong><\/strong>M\u1ed9t s\u01a1 \u0111\u1ed3 th\u1eddi gian ch\u1ec9 hi\u1ec3n th\u1ecb c\u00e1c t\u00ecnh hu\u1ed1ng th\u00e0nh c\u00f4ng l\u00e0 ch\u01b0a \u0111\u1ea7y \u0111\u1ee7. C\u1ea7n m\u00f4 h\u00ecnh h\u00f3a c\u00e1c \u0111\u01b0\u1eddng d\u1eabn h\u1ebft th\u1eddi gian v\u00e0 v\u00f2ng l\u1eb7p th\u1eed l\u1ea1i.<\/li>\n<\/ul>\n

                            \ud83d\udee1 B\u1ea3o tr\u00ec v\u00e0 ph\u00e1t tri\u1ec3n<\/h2>\n

                            M\u1ed9t s\u01a1 \u0111\u1ed3 th\u1eddi gian l\u00e0 m\u1ed9t t\u00e0i s\u1ea3n s\u1ed1ng. Khi h\u1ec7 th\u1ed1ng ph\u00e1t tri\u1ec3n, s\u01a1 \u0111\u1ed3 c\u0169ng ph\u1ea3i ph\u00e1t tri\u1ec3n theo \u0111\u1ec3 duy tr\u00ec vai tr\u00f2 l\u00e0 c\u00f4ng c\u1ee5 giao ti\u1ebfp h\u1eefu \u00edch.<\/p>\n

                            1. Ki\u1ec3m tra \u0111\u1ecbnh k\u1ef3<\/h3>\n

                            L\u00ean l\u1ecbch ki\u1ec3m tra \u0111\u1ecbnh k\u1ef3 c\u00e1c s\u01a1 \u0111\u1ed3 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u00fang ph\u00f9 h\u1ee3p v\u1edbi h\u00e0nh vi hi\u1ec7n t\u1ea1i c\u1ee7a h\u1ec7 th\u1ed1ng.<\/p>\n

                              \n
                            • Ki\u1ec3m tra h\u00e0ng qu\u00fd:<\/strong>X\u00e1c minh r\u1eb1ng c\u00e1c gi\u1edbi h\u1ea1n th\u1eddi gian kh\u00f4ng b\u1ecb l\u1ec7ch do thay \u0111\u1ed5i ph\u1ea7n c\u1ee9ng ho\u1eb7c t\u1ed1i \u01b0u h\u00f3a m\u00e3 ngu\u1ed3n.<\/li>\n
                            • Xem x\u00e9t s\u1ef1 c\u1ed1:<\/strong>Sau b\u1ea5t k\u1ef3 s\u1ef1 c\u1ed1 s\u1ea3n xu\u1ea5t n\u00e0o li\u00ean quan \u0111\u1ebfn hi\u1ec7u su\u1ea5t, c\u1eadp nh\u1eadt s\u01a1 \u0111\u1ed3 \u0111\u1ec3 ph\u1ea3n \u00e1nh nguy\u00ean nh\u00e2n g\u1ed1c r\u1ec5.<\/li>\n<\/ul>\n

                              2. \u0110\u00e0o t\u1ea1o v\u00e0 chia s\u1ebb ki\u1ebfn th\u1ee9c<\/h3>\n

                              \u0110\u1ea3m b\u1ea3o t\u1ea5t c\u1ea3 th\u00e0nh vi\u00ean nh\u00f3m hi\u1ec3u c\u00e1ch \u0111\u1ecdc v\u00e0 di\u1ec5n gi\u1ea3i s\u01a1 \u0111\u1ed3 m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c.<\/p>\n

                                \n
                              • Ch\u00e0o \u0111\u00f3n th\u00e0nh vi\u00ean m\u1edbi:<\/strong>Bao g\u1ed3m vi\u1ec7c \u0111\u1ecdc s\u01a1 \u0111\u1ed3 trong quy tr\u00ecnh ch\u00e0o \u0111\u00f3n \u0111\u1ed1i v\u1edbi c\u00e1c k\u1ef9 s\u01b0 m\u1edbi.<\/li>\n
                              • C\u00e1c bu\u1ed5i t\u1eadp hu\u1ea5n:<\/strong>T\u1ed5 ch\u1ee9c c\u00e1c bu\u1ed5i h\u1ecdp n\u01a1i c\u00e1c \u0111\u1ed9i c\u00f9ng \u0111i qua c\u00e1c t\u00ecnh hu\u1ed1ng th\u1eddi gian ph\u1ee9c t\u1ea1p.<\/li>\n
                              • T\u1eeb \u0111i\u1ec3n:<\/strong>Duy tr\u00ec m\u1ed9t t\u1eeb \u0111i\u1ec3n chung cho c\u00e1c thu\u1eadt ng\u1eef v\u1ec1 th\u1eddi gian \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o s\u1ef1 hi\u1ec3u bi\u1ebft nh\u1ea5t qu\u00e1n.<\/li>\n<\/ul>\n

                                \ud83d\udd0d X\u00e1c th\u1ef1c v\u00e0 ki\u1ec3m ch\u1ee9ng<\/h2>\n

                                M\u1ee5c ti\u00eau cu\u1ed1i c\u00f9ng c\u1ee7a t\u00e0i li\u1ec7u l\u00e0 h\u1ed7 tr\u1ee3 qu\u00e1 tr\u00ecnh ki\u1ec3m ch\u1ee9ng. S\u01a1 \u0111\u1ed3 ph\u1ea3i \u0111\u00f3ng vai tr\u00f2 n\u1ec1n t\u1ea3ng cho c\u00e1c chi\u1ebfn l\u01b0\u1ee3c ki\u1ec3m th\u1eed.<\/p>\n

                                  \n
                                • T\u1ea1o tr\u01b0\u1eddng h\u1ee3p ki\u1ec3m th\u1eed:<\/strong>Tr\u00edch xu\u1ea5t c\u00e1c tr\u01b0\u1eddng h\u1ee3p ki\u1ec3m th\u1eed c\u1ee5 th\u1ec3 d\u1ef1a tr\u00ean c\u00e1c thanh th\u1eddi gian v\u00e0 chuy\u1ec3n ti\u1ebfp \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb.<\/li>\n
                                • C\u01a1 s\u1edf hi\u1ec7u su\u1ea5t:<\/strong>S\u1eed d\u1ee5ng s\u01a1 \u0111\u1ed3 \u0111\u1ec3 thi\u1ebft l\u1eadp c\u00e1c ch\u1ec9 s\u1ed1 hi\u1ec7u su\u1ea5t c\u01a1 s\u1edf cho vi\u1ec7c gi\u00e1m s\u00e1t.<\/li>\n
                                • Ki\u1ec3m th\u1eed h\u1ee3p \u0111\u1ed3ng:<\/strong>Xem s\u01a1 \u0111\u1ed3 th\u1eddi gian nh\u01b0 m\u1ed9t h\u1ee3p \u0111\u1ed3ng gi\u1eefa c\u00e1c d\u1ecbch v\u1ee5. N\u1ebfu m\u1ed9t d\u1ecbch v\u1ee5 vi ph\u1ea1m th\u1eddi gian, th\u00ec n\u00f3 \u0111\u00e3 vi ph\u1ea1m h\u1ee3p \u0111\u1ed3ng.<\/li>\n<\/ul>\n

                                  B\u1eb1ng c\u00e1ch tu\u00e2n theo nh\u1eefng th\u1ef1c h\u00e0nh c\u00f3 c\u1ea5u tr\u00fac n\u00e0y, c\u00e1c \u0111\u1ed9i nh\u00f3m c\u00f3 th\u1ec3 t\u1ea1o ra m\u1ed9t h\u1ec7 sinh th\u00e1i t\u00e0i li\u1ec7u v\u1eefng ch\u1eafc. N\u1ed7 l\u1ef1c \u0111\u1ea7u t\u01b0 v\u00e0o vi\u1ec7c ghi ch\u00e9p t\u00e0i li\u1ec7u v\u1ec1 th\u1eddi gian ch\u00ednh x\u00e1c s\u1ebd mang l\u1ea1i l\u1ee3i \u00edch r\u00f5 r\u1ec7t trong vi\u1ec7c gi\u1ea3m th\u1eddi gian g\u1ee1 l\u1ed7i, c\u1ea3i thi\u1ec7n giao ti\u1ebfp r\u00f5 r\u00e0ng v\u00e0 h\u1ec7 th\u1ed1ng \u0111\u00e1ng tin c\u1eady h\u01a1n. Ng\u00f4n ng\u1eef tr\u1ef1c quan c\u1ee7a s\u01a1 \u0111\u1ed3 Th\u1eddi gian, khi \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng m\u1ed9t c\u00e1ch k\u1ef7 lu\u1eadt, s\u1ebd bi\u1ebfn nh\u1eefng r\u00e0ng bu\u1ed9c th\u1eddi gian tr\u1eebu t\u01b0\u1ee3ng th\u00e0nh c\u00e1c y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt c\u1ee5 th\u1ec3 v\u00e0 c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n \u0111\u01b0\u1ee3c.<\/p>\n

                                  H\u00e3y nh\u1edb r\u1eb1ng gi\u00e1 tr\u1ecb n\u1eb1m \u1edf s\u1ef1 r\u00f5 r\u00e0ng trong giao ti\u1ebfp, ch\u1ee9 kh\u00f4ng ph\u1ea3i \u1edf \u0111\u1ed9 ph\u1ee9c t\u1ea1p c\u1ee7a b\u1ea3n v\u1ebd. H\u00e3y gi\u1eef cho n\u00f3 d\u1ec5 \u0111\u1ecdc, ch\u00ednh x\u00e1c v\u00e0 lu\u00f4n c\u1eadp nh\u1eadt. C\u00e1ch ti\u1ebfp c\u1eadn n\u00e0y \u0111\u1ea3m b\u1ea3o r\u1eb1ng th\u1eddi gian v\u1eabn l\u00e0 m\u1ed9t chi\u1ec1u c\u00f3 th\u1ec3 ki\u1ec3m so\u00e1t trong ki\u1ebfn tr\u00fac h\u1ec7 th\u1ed1ng c\u1ee7a b\u1ea1n, thay v\u00ec tr\u1edf th\u00e0nh ngu\u1ed3n g\u00e2y b\u1ea5t \u0111\u1ecbnh.<\/p>\n","protected":false},"excerpt":{"rendered":"

                                  Th\u1eddi gian th\u01b0\u1eddng l\u00e0 bi\u1ebfn v\u00f4 h\u00ecnh trong c\u00e1c ki\u1ebfn tr\u00fac h\u1ec7 th\u1ed1ng ph\u1ee9c t\u1ea1p. Trong khi ch\u1ee9c n\u0103ng quy \u0111\u1ecbnh\u0111i\u1ec1u g\u00ech\u1ec7 th\u1ed1ng l\u00e0m g\u00ec, th\u00ec c\u00e1c ph\u1ee5 thu\u1ed9c v\u1ec1…<\/p>\n","protected":false},"author":1,"featured_media":553,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"C\u00e1c Th\u1ef1c h\u00e0nh T\u1ed1t nh\u1ea5t v\u1ec1 S\u01a1 \u0111\u1ed3 Th\u1eddi gian UML cho \u0110\u1ed9i nh\u00f3m","_yoast_wpseo_metadesc":"H\u1ecdc c\u00e1ch ghi ch\u00e9p c\u00e1c m\u1ed1i quan h\u1ec7 ph\u1ee5 thu\u1ed9c v\u1ec1 th\u1eddi gian trong S\u01a1 \u0111\u1ed3 Th\u1eddi gian UML d\u00e0nh cho c\u00e1c \u0111\u1ed9i nh\u00f3m \u0111a ch\u1ee9c n\u0103ng. 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