{"id":489044,"date":"2025-09-12T11:25:41","date_gmt":"2025-09-12T04:25:41","guid":{"rendered":"https:\/\/hoanghamobile.com\/tin-tuc\/?p=489044"},"modified":"2025-09-12T11:25:41","modified_gmt":"2025-09-12T04:25:41","slug":"cache-la-gi","status":"publish","type":"post","link":"https:\/\/hoanghamobile.com\/tin-tuc\/cache-la-gi\/","title":{"rendered":"Cache l\u00e0 g\u00ec? C\u00f3 n\u00ean x\u00f3a kh\u00f4ng? C\u00e1ch x\u00f3a cache tr\u00ean \u0111i\u1ec7n tho\u1ea1i, m\u00e1y t\u00ednh"},"content":{"rendered":"

Cache l\u00e0 g\u00ec?<\/b> B\u1ea1n c\u00f3 bao gi\u1edd th\u1eafc m\u1eafc t\u1ea1i sao thi\u1ebft b\u1ecb c\u1ee7a m\u00ecnh ng\u00e0y c\u00e0ng ch\u1eadm h\u01a1n d\u00f9 kh\u00f4ng c\u00e0i th\u00eam \u1ee9ng d\u1ee5ng? V\u1eady c\u00f3 n\u00ean x\u00f3a cache kh\u00f4ng? Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang ta s\u1ebd c\u00f9ng t\u00ecm hi\u1ec3u v\u1ec1 cache, t\u00e1c d\u1ee5ng c\u1ee7a n\u00f3, v\u00e0 c\u00e1ch x\u00f3a cache tr\u00ean \u0111i\u1ec7n tho\u1ea1i c\u0169ng nh\u01b0 m\u00e1y t\u00ednh m\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n, hi\u1ec7u qu\u1ea3.<\/span><\/p>\n

Cache l\u00e0 g\u00ec?<\/b><\/h2>\n

Cache l\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n quan tr\u1ecdng trong c\u00f4ng ngh\u1ec7 m\u00e1y t\u00ednh v\u00e0 thi\u1ebft b\u1ecb di \u0111\u1ed9ng. Tuy nhi\u00ean, d\u00f9 mang l\u1ea1i nhi\u1ec1u l\u1ee3i \u00edch, cache c\u0169ng c\u00f3 th\u1ec3 g\u00e2y ra m\u1ed9t s\u1ed1 v\u1ea5n \u0111\u1ec1 n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd \u0111\u00fang c\u00e1ch. V\u00ec v\u1eady, vi\u1ec7c hi\u1ec3u r\u00f5 cache c\u0169ng nh\u01b0 c\u00e1ch v\u1eadn h\u00e0nh s\u1ebd gi\u00fap b\u1ea1n bi\u1ebft c\u00e1ch s\u1eed d\u1ee5ng v\u00e0 b\u1ea3o tr\u00ec thi\u1ebft b\u1ecb hi\u1ec7u qu\u1ea3 h\u01a1n.<\/span><\/p>\n

L\u00e0 g\u00ec?<\/b><\/h3>\n

Cache l\u00e0 m\u1ed9t d\u1ea1ng b\u1ed9 nh\u1edb t\u1ea1m th\u1eddi gi\u00fap l\u01b0u tr\u1eef nh\u1eefng d\u1eef li\u1ec7u v\u00e0 t\u00e0i nguy\u00ean th\u01b0\u1eddng xuy\u00ean \u0111\u01b0\u1ee3c truy c\u1eadp, ch\u1eb3ng h\u1ea1n nh\u01b0 h\u00ecnh \u1ea3nh, video, t\u1ec7p JavaScript, CSS, t\u00e0i li\u1ec7u v\u0103n b\u1ea3n v\u00e0 nhi\u1ec1u n\u1ed9i dung kh\u00e1c. Khi b\u1ea1n m\u1edf m\u1ed9t trang web ho\u1eb7c s\u1eed d\u1ee5ng \u1ee9ng d\u1ee5ng, thi\u1ebft b\u1ecb s\u1ebd t\u1ea3i c\u00e1c th\u00e0nh ph\u1ea7n c\u1ea7n thi\u1ebft t\u1eeb m\u00e1y ch\u1ee7. Tuy nhi\u00ean, n\u1ebfu ph\u1ea3i t\u1ea3i l\u1ea1i c\u00f9ng m\u1ed9t n\u1ed9i dung nhi\u1ec1u l\u1ea7n, qu\u00e1 tr\u00ecnh n\u00e0y s\u1ebd ti\u00eau t\u1ed1n th\u1eddi gian v\u00e0 b\u0103ng th\u00f4ng m\u1ea1ng \u0111\u00e1ng k\u1ec3.<\/span><\/p>\n

\"cache-la-gi-1\"<\/picture><\/p>\n

\u0110\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 n\u00e0y, cache ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t n\u01a1i l\u01b0u tr\u1eef c\u1ee5c b\u1ed9 tr\u00ean m\u00e1y t\u00ednh ho\u1eb7c \u0111i\u1ec7n tho\u1ea1i c\u1ee7a b\u1ea1n, gi\u00fap truy xu\u1ea5t d\u1eef li\u1ec7u nhanh h\u01a1n m\u00e0 kh\u00f4ng c\u1ea7n ph\u1ea3i t\u1ea3i l\u1ea1i t\u1eeb xa. \u0110i\u1ec1u n\u00e0y kh\u00f4ng ch\u1ec9 gi\u00fap t\u0103ng t\u1ed1c \u0111\u1ed9 truy c\u1eadp m\u00e0 c\u00f2n gi\u1ea3m g\u00e1nh n\u1eb7ng cho m\u1ea1ng v\u00e0 m\u00e1y ch\u1ee7, mang l\u1ea1i tr\u1ea3i nghi\u1ec7m m\u01b0\u1ee3t m\u00e0, li\u1ec1n m\u1ea1ch h\u01a1n cho ng\u01b0\u1eddi d\u00f9ng.<\/span><\/p>\n

Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a cache<\/b><\/h3>\n

Sau khi hi\u1ec3u \u0111\u01b0\u1ee3c <\/span>cache l\u00e0 g\u00ec<\/b>, b\u1ea1n c\u0169ng n\u00ean bi\u1ebft nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a cache d\u1ef1a tr\u00ean vi\u1ec7c l\u01b0u tr\u1eef t\u1ea1m th\u1eddi c\u00e1c t\u00e0i nguy\u00ean th\u01b0\u1eddng xuy\u00ean s\u1eed d\u1ee5ng nh\u1eb1m gi\u1ea3m th\u1eddi gian truy c\u1eadp v\u00e0 ti\u1ebft ki\u1ec7m b\u0103ng th\u00f4ng m\u1ea1ng. Khi b\u1ea1n m\u1edf m\u1ed9t trang web ho\u1eb7c t\u1ea3i n\u1ed9i dung tr\u1ef1c tuy\u1ebfn, tr\u00ecnh duy\u1ec7t s\u1ebd nh\u1eadn d\u1eef li\u1ec7u t\u1eeb m\u00e1y ch\u1ee7 v\u00e0 l\u01b0u l\u1ea1i c\u00e1c th\u00e0nh ph\u1ea7n nh\u01b0 h\u00ecnh \u1ea3nh, t\u1eadp tin CSS, JavaScript v\u00e0o b\u1ed9 nh\u1edb cache tr\u00ean thi\u1ebft b\u1ecb. L\u1ea7n ti\u1ebfp theo khi truy c\u1eadp c\u00f9ng n\u1ed9i dung \u0111\u00f3, thay v\u00ec t\u1ea3i l\u1ea1i t\u1eeb xa, tr\u00ecnh duy\u1ec7t s\u1ebd l\u1ea5y tr\u1ef1c ti\u1ebfp d\u1eef li\u1ec7u \u0111\u00e3 l\u01b0u, gi\u00fap qu\u00e1 tr\u00ecnh t\u1ea3i nhanh h\u01a1n \u0111\u00e1ng k\u1ec3.<\/span><\/p>\n

\"cache-la-gi-2\"<\/picture><\/p>\n

B\u1ed9 nh\u1edb cache ho\u1ea1t \u0111\u1ed9ng theo nguy\u00ean t\u1eafc \u01b0u ti\u00ean, gi\u1eef l\u1ea1i nh\u1eefng t\u00e0i nguy\u00ean \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nhi\u1ec1u nh\u1ea5t trong khi c\u00e1c m\u1ee5c \u00edt quan tr\u1ecdng ho\u1eb7c \u00edt \u0111\u01b0\u1ee3c truy c\u1eadp s\u1ebd b\u1ecb lo\u1ea1i b\u1ecf khi b\u1ed9 nh\u1edb \u0111\u1ea7y. C\u00e1ch qu\u1ea3n l\u00fd n\u00e0y gi\u00fap thi\u1ebft b\u1ecb lu\u00f4n c\u00f3 \u0111\u1ee7 kh\u00f4ng gian \u0111\u1ec3 l\u01b0u tr\u1eef nh\u1eefng d\u1eef li\u1ec7u c\u1ea7n thi\u1ebft, \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t ho\u1ea1t \u0111\u1ed9ng kh\u00f4ng b\u1ecb gi\u1ea3m s\u00fat. M\u1ed9t s\u1ed1 ph\u1ea7n m\u1ec1m ho\u1eb7c tr\u00ecnh duy\u1ec7t cung c\u1ea5p t\u00f9y ch\u1ecdn cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng x\u00f3a cache th\u1ee7 c\u00f4ng nh\u1eb1m gi\u1ea3i ph\u00f3ng dung l\u01b0\u1ee3ng ho\u1eb7c c\u1eadp nh\u1eadt n\u1ed9i dung m\u1edbi nh\u1ea5t t\u1eeb m\u00e1y ch\u1ee7.<\/span><\/p>\n

T\u1ea7m quan tr\u1ecdng c\u1ee7a cache<\/b><\/h2>\n

Cache l\u00e0 g\u00ec? <\/b>Cache \u0111\u00f3ng vai tr\u00f2 c\u1ef1c k\u1ef3 quan tr\u1ecdng trong vi\u1ec7c n\u00e2ng cao hi\u1ec7u su\u1ea5t v\u00e0 tr\u1ea3i nghi\u1ec7m khi s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb ho\u1eb7c truy c\u1eadp Internet. Tr\u01b0\u1edbc h\u1ebft, n\u00f3 gi\u00fap t\u0103ng t\u1ed1c \u0111\u1ed9 truy xu\u1ea5t th\u00f4ng tin b\u1eb1ng c\u00e1ch l\u01b0u tr\u1eef t\u1ea1m th\u1eddi c\u00e1c d\u1eef li\u1ec7u th\u01b0\u1eddng xuy\u00ean s\u1eed d\u1ee5ng. Nh\u1edd \u0111\u00f3, khi ng\u01b0\u1eddi d\u00f9ng truy c\u1eadp l\u1ea1i c\u00f9ng m\u1ed9t n\u1ed9i dung, th\u1eddi gian ch\u1edd \u0111\u01b0\u1ee3c r\u00fat ng\u1eafn \u0111\u00e1ng k\u1ec3, tr\u00e1nh t\u00ecnh tr\u1ea1ng gi\u00e1n \u0111o\u1ea1n v\u00e0 mang l\u1ea1i s\u1ef1 m\u01b0\u1ee3t m\u00e0 trong qu\u00e1 tr\u00ecnh thao t\u00e1c.<\/span><\/p>\n

\"cache-la-gi-3\"<\/picture><\/p>\n

Ngo\u00e0i ra, b\u1ed9 nh\u1edb \u0111\u1ec7m c\u00f2n g\u00f3p ph\u1ea7n c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t t\u1ed5ng th\u1ec3 c\u1ee7a c\u00e1c \u1ee9ng d\u1ee5ng, \u0111\u1eb7c bi\u1ec7t v\u1edbi nh\u1eefng ph\u1ea7n m\u1ec1m c\u00f3 c\u1ea5u tr\u00fac ph\u1ee9c t\u1ea1p ho\u1eb7c h\u1ec7 th\u1ed1ng c\u1ea7n x\u1eed l\u00fd l\u01b0\u1ee3ng l\u1edbn d\u1eef li\u1ec7u. Vi\u1ec7c truy c\u1eadp d\u1eef li\u1ec7u t\u1eeb cache nhanh h\u01a1n r\u1ea5t nhi\u1ec1u so v\u1edbi vi\u1ec7c l\u1ea5y t\u1eeb \u1ed5 c\u1ee9ng ho\u1eb7c truy v\u1ea5n c\u01a1 s\u1edf d\u1eef li\u1ec7u, gi\u00fap gi\u1ea3m \u0111\u1ed9 tr\u1ec5 v\u00e0 t\u0103ng t\u1ed1c \u0111\u1ed9 x\u1eed l\u00fd c\u00e1c y\u00eau c\u1ea7u. \u0110i\u1ec1u n\u00e0y kh\u00f4ng ch\u1ec9 n\u00e2ng cao hi\u1ec7u qu\u1ea3 l\u00e0m vi\u1ec7c m\u00e0 c\u00f2n t\u1ed1i \u01b0u h\u00f3a ngu\u1ed3n l\u1ef1c h\u1ec7 th\u1ed1ng, gi\u1ea3m thi\u1ec3u hi\u1ec7n t\u01b0\u1ee3ng ngh\u1ebdn c\u1ed5 chai.<\/span><\/p>\n

M\u1ed9t \u0111i\u1ec3m m\u1ea1nh kh\u00e1c c\u1ee7a cache l\u00e0 kh\u1ea3 n\u0103ng gi\u1ea3m t\u1ea3i cho h\u1ec7 th\u1ed1ng m\u1ea1ng v\u00e0 m\u00e1y ch\u1ee7. Khi d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef t\u1ea1i thi\u1ebft b\u1ecb ng\u01b0\u1eddi d\u00f9ng ho\u1eb7c c\u00e1c \u0111i\u1ec3m trung gian, s\u1ed1 l\u01b0\u1ee3ng y\u00eau c\u1ea7u g\u1eedi \u0111\u1ebfn m\u00e1y ch\u1ee7 g\u1ed1c gi\u1ea3m xu\u1ed1ng, l\u00e0m gi\u1ea3m \u00e1p l\u1ef1c v\u1eadn h\u00e0nh v\u00e0 t\u0103ng \u0111\u1ed9 b\u1ec1n b\u1ec9 cho h\u1ea1 t\u1ea7ng. \u0110\u1ed3ng th\u1eddi, \u0111i\u1ec1u n\u00e0y gi\u00fap ti\u1ebft ki\u1ec7m b\u0103ng th\u00f4ng, h\u1ea1n ch\u1ebf t\u00ecnh tr\u1ea1ng qu\u00e1 t\u1ea3i v\u00e0 \u0111\u1ea3m b\u1ea3o s\u1ef1 \u1ed5n \u0111\u1ecbnh trong qu\u00e1 tr\u00ecnh truy c\u1eadp d\u1ecbch v\u1ee5.<\/span><\/p>\n

C\u00f3 n\u00ean x\u00f3a cache kh\u00f4ng?<\/b><\/h2>\n

Cache l\u00e0 g\u00ec<\/b> v\u00e0 vi\u1ec7c x\u00f3a cache c\u00f3 n\u00ean th\u1ef1c hi\u1ec7n hay kh\u00f4ng ph\u1ee5 thu\u1ed9c nhi\u1ec1u v\u00e0o c\u00e1ch s\u1eed d\u1ee5ng v\u00e0 nhu c\u1ea7u c\u1ee7a t\u1eebng ng\u01b0\u1eddi d\u00f9ng \u0111i\u1ec7n tho\u1ea1i ho\u1eb7c m\u00e1y t\u00ednh. B\u1ed9 nh\u1edb \u0111\u1ec7m gi\u00fap thi\u1ebft b\u1ecb truy c\u1eadp d\u1eef li\u1ec7u nhanh h\u01a1n trong nh\u1eefng l\u1ea7n ti\u1ebfp theo, do \u0111\u00f3 khi x\u00f3a cache, b\u1ea1n s\u1ebd ph\u1ea3i t\u1ea3i l\u1ea1i th\u00f4ng tin t\u1eeb ngu\u1ed3n g\u1ed1c, g\u00e2y ra \u0111\u1ed9 tr\u1ec5 nh\u1ea5t \u0111\u1ecbnh trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng. Tuy nhi\u00ean, vi\u1ec7c l\u00e0m n\u00e0y c\u0169ng mang l\u1ea1i l\u1ee3i \u00edch kh\u00f4ng nh\u1ecf, ch\u1eb3ng h\u1ea1n nh\u01b0 gi\u1ea3i ph\u00f3ng b\u1ed9 nh\u1edb l\u01b0u tr\u1eef, m\u1edf r\u1ed9ng kh\u00f4ng gian tr\u1ed1ng v\u00e0 \u0111\u01b0a c\u00e1c \u1ee9ng d\u1ee5ng v\u1ec1 tr\u1ea1ng th\u00e1i ban \u0111\u1ea7u, gi\u00fap kh\u1eafc ph\u1ee5c m\u1ed9t s\u1ed1 l\u1ed7i ph\u00e1t sinh.<\/span><\/p>\n

\"cache-la-gi-4\"<\/picture><\/p>\n

C\u00f3 nhi\u1ec1u t\u00ecnh hu\u1ed1ng b\u1ea1n n\u00ean c\u00e2n nh\u1eafc x\u00f3a cache \u0111\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t. Khi d\u1eef li\u1ec7u t\u1ea1m th\u1eddi b\u1ecb h\u1ecfng ho\u1eb7c kh\u00f4ng \u0111\u1ed3ng nh\u1ea5t, thi\u1ebft b\u1ecb c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng ch\u1eadm ho\u1eb7c ph\u00e1t sinh l\u1ed7i hi\u1ec3n th\u1ecb, l\u00fac n\u00e0y x\u00f3a b\u1ed9 nh\u1edb \u0111\u1ec7m l\u00e0 gi\u1ea3i ph\u00e1p h\u1eefu hi\u1ec7u \u0111\u1ec3 l\u00e0m m\u1edbi v\u00e0 kh\u00f4i ph\u1ee5c l\u1ea1i tr\u1ea1ng th\u00e1i \u1ed5n \u0111\u1ecbnh. Ngo\u00e0i ra, n\u1ebfu b\u1ea1n lo ng\u1ea1i v\u1ec1 v\u1ea5n \u0111\u1ec1 b\u1ea3o m\u1eadt v\u00e0 mu\u1ed1n tr\u00e1nh l\u01b0u gi\u1eef th\u00f4ng tin c\u00e1 nh\u00e2n tr\u00ean thi\u1ebft b\u1ecb, vi\u1ec7c x\u00f3a cache c\u0169ng gi\u00fap h\u1ea1n ch\u1ebf nguy c\u01a1 b\u1ecb truy c\u1eadp tr\u00e1i ph\u00e9p.<\/span><\/p>\n

Trong tr\u01b0\u1eddng h\u1ee3p thi\u1ebft b\u1ecb g\u1ea7n h\u1ebft dung l\u01b0\u1ee3ng l\u01b0u tr\u1eef, x\u00f3a b\u1ed9 nh\u1edb \u0111\u1ec7m s\u1ebd t\u1ea1o ra kho\u1ea3ng tr\u1ed1ng c\u1ea7n thi\u1ebft, gi\u00fap thi\u1ebft b\u1ecb ho\u1ea1t \u0111\u1ed9ng tr\u01a1n tru h\u01a1n. Cu\u1ed1i c\u00f9ng, khi mu\u1ed1n c\u1eadp nh\u1eadt ho\u1eb7c l\u00e0m m\u1edbi c\u00e1c d\u1eef li\u1ec7u m\u1edbi nh\u1ea5t t\u1eeb \u1ee9ng d\u1ee5ng ho\u1eb7c trang web, x\u00f3a cache s\u1ebd bu\u1ed9c thi\u1ebft b\u1ecb t\u1ea3i l\u1ea1i n\u1ed9i dung, \u0111\u1ea3m b\u1ea3o b\u1ea1n nh\u1eadn \u0111\u01b0\u1ee3c th\u00f4ng tin ch\u00ednh x\u00e1c v\u00e0 m\u1edbi nh\u1ea5t.<\/span><\/p>\n

C\u00e1ch x\u00f3a cache tr\u00ean \u0111i\u1ec7n tho\u1ea1i, m\u00e1y t\u00ednh<\/b><\/h2>\n

X\u00f3a l\u00e0 thao t\u00e1c \u0111\u01a1n gi\u1ea3n nh\u01b0ng r\u1ea5t h\u1eefu \u00edch gi\u00fap gi\u1ea3i ph\u00f3ng dung l\u01b0\u1ee3ng v\u00e0 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t thi\u1ebft b\u1ecb. T\u00f9y v\u00e0o h\u1ec7 \u0111i\u1ec1u h\u00e0nh v\u00e0 lo\u1ea1i thi\u1ebft b\u1ecb b\u1ea1n \u0111ang s\u1eed d\u1ee5ng, c\u00e1ch x\u00f3a b\u1ed9 nh\u1edb \u0111\u1ec7m tr\u00ean \u0111i\u1ec7n tho\u1ea1i v\u00e0 m\u00e1y t\u00ednh c\u00f3 th\u1ec3 kh\u00e1c nhau.<\/span><\/p>\n

Tr\u00ean \u0111i\u1ec7n tho\u1ea1i Android<\/b><\/h3>\n

Cache l\u00e0 g\u00ec?<\/b> Vi\u1ec7c x\u00f3a cache tr\u00ean Android l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 gi\u1ea3i ph\u00f3ng dung l\u01b0\u1ee3ng, t\u1ed1i \u01b0u hi\u1ec7u su\u1ea5t v\u00e0 gi\u00fap thi\u1ebft b\u1ecb ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh h\u01a1n. V\u00e0 sau \u0111\u00e2y l\u00e0 h\u01b0\u1edbng d\u1eabn 3 b\u01b0\u1edbc th\u1ef1c hi\u1ec7n c\u1ef1c k\u1ef3 \u0111\u01a1n gi\u1ea3n.<\/span><\/p>\n

B\u01b0\u1edbc 1: M\u1edf ph\u1ea7n C\u00e0i \u0111\u1eb7t tr\u00ean \u0111i\u1ec7n tho\u1ea1i, sau \u0111\u00f3 ch\u1ecdn m\u1ee5c B\u1ed9 nh\u1edb ho\u1eb7c Qu\u1ea3n l\u00fd b\u1ed9 nh\u1edb \u0111\u1ec3 xem dung l\u01b0\u1ee3ng l\u01b0u tr\u1eef v\u00e0 c\u00e1c d\u1eef li\u1ec7u t\u1ea1m th\u1eddi \u0111ang \u0111\u01b0\u1ee3c l\u01b0u gi\u1eef.<\/span><\/p>\n

B\u01b0\u1edbc 2: Trong ph\u1ea7n B\u1ed9 nh\u1edb, ch\u1ecdn D\u1eef li\u1ec7u l\u01b0u trong b\u1ed9 nh\u1edb ho\u1eb7c D\u1eef li\u1ec7u b\u1ed9 nh\u1edb \u0111\u1ec7m \u0111\u1ec3 h\u1ec7 th\u1ed1ng li\u1ec7t k\u00ea c\u00e1c t\u1ec7p tin cache kh\u00f4ng c\u1ea7n thi\u1ebft. Nh\u1ea5n v\u00e0o t\u00f9y ch\u1ecdn n\u00e0y \u0111\u1ec3 xem chi ti\u1ebft v\u00e0 chu\u1ea9n b\u1ecb d\u1ecdn d\u1eb9p.<\/span><\/p>\n

\"cache-la-gi-5\"<\/picture><\/p>\n

B\u01b0\u1edbc 3: Nh\u1ea5n X\u00f3a \u0111\u1ec3 lo\u1ea1i b\u1ecf to\u00e0n b\u1ed9 b\u1ed9 nh\u1edb \u0111\u1ec7m, gi\u00fap gi\u1ea3i ph\u00f3ng dung l\u01b0\u1ee3ng v\u00e0 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t thi\u1ebft b\u1ecb. N\u1ebfu mu\u1ed1n x\u00f3a cache t\u1eebng \u1ee9ng d\u1ee5ng, b\u1ea1n c\u00f3 th\u1ec3 v\u00e0o C\u00e0i \u0111\u1eb7t > \u1ee8ng d\u1ee5ng > ch\u1ecdn \u1ee9ng d\u1ee5ng > B\u1ed9 nh\u1edb > X\u00f3a b\u1ed9 nh\u1edb \u0111\u1ec7m \u0111\u1ec3 l\u00e0m s\u1ea1ch ri\u00eang bi\u1ec7t.<\/span><\/p>\n

Tr\u00ean \u0111i\u1ec7n tho\u1ea1i iPhone<\/b><\/h3>\n

Cache l\u00e0 g\u00ec?<\/b> Tr\u00ean iPhone, cache l\u00e0 nh\u1eefng d\u1eef li\u1ec7u t\u1ea1m th\u1eddi \u0111\u01b0\u1ee3c l\u01b0u l\u1ea1i \u0111\u1ec3 gi\u00fap c\u00e1c \u1ee9ng d\u1ee5ng v\u00e0 trang web t\u1ea3i nhanh h\u01a1n khi b\u1ea1n s\u1eed d\u1ee5ng l\u1ea1i. Tuy nhi\u00ean, khi l\u01b0\u1ee3ng cache qu\u00e1 l\u1edbn, n\u00f3 c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m hi\u1ec7u su\u1ea5t thi\u1ebft b\u1ecb v\u00e0 chi\u1ebfm nhi\u1ec1u b\u1ed9 nh\u1edb.<\/span><\/p>\n

B\u01b0\u1edbc 1: \u0110\u1ea7u ti\u00ean, b\u1ea1n h\u00e3y nh\u1ea5n gi\u1eef n\u00fat ngu\u1ed3n tr\u00ean iPhone cho \u0111\u1ebfn khi thanh tr\u01b0\u1ee3t t\u1eaft ngu\u1ed3n xu\u1ea5t hi\u1ec7n tr\u00ean m\u00e0n h\u00ecnh.<\/span><\/p>\n

B\u01b0\u1edbc 2: K\u00e9o thanh tr\u01b0\u1ee3t sang b\u00ean ph\u1ea3i \u0111\u1ec3 t\u1eaft ho\u00e0n to\u00e0n thi\u1ebft b\u1ecb. Vi\u1ec7c n\u00e0y gi\u00fap x\u00f3a s\u1ea1ch c\u00e1c d\u1eef li\u1ec7u t\u1ea1m th\u1eddi v\u00e0 b\u1ed9 nh\u1edb cache \u0111\u00e3 l\u01b0u trong qu\u00e1 tr\u00ecnh ho\u1ea1t \u0111\u1ed9ng c\u1ee7a h\u1ec7 th\u1ed1ng.<\/span><\/p>\n

\"cache-la-gi-6\"<\/picture><\/p>\n

B\u01b0\u1edbc 3: Sau khi m\u00e1y \u0111\u00e3 t\u1eaft h\u1eb3n, \u0111\u1ee3i v\u00e0i gi\u00e2y r\u1ed3i nh\u1ea5n gi\u1eef l\u1ea1i n\u00fat ngu\u1ed3n cho \u0111\u1ebfn khi logo Apple xu\u1ea5t hi\u1ec7n \u0111\u1ec3 kh\u1edfi \u0111\u1ed9ng l\u1ea1i thi\u1ebft b\u1ecb. Qu\u00e1 tr\u00ecnh n\u00e0y s\u1ebd l\u00e0m m\u1edbi h\u1ec7 th\u1ed1ng v\u00e0 x\u00f3a b\u1ed9 nh\u1edb \u0111\u1ec7m, gi\u00fap c\u00e1c \u1ee9ng d\u1ee5ng ho\u1ea1t \u0111\u1ed9ng m\u01b0\u1ee3t m\u00e0 h\u01a1n.<\/span><\/p>\n

B\u01b0\u1edbc 4: N\u1ebfu mu\u1ed1n x\u00f3a cache t\u1eebng \u1ee9ng d\u1ee5ng ri\u00eang l\u1ebb, b\u1ea1n c\u00f3 th\u1ec3 g\u1ee1 c\u00e0i \u0111\u1eb7t \u1ee9ng d\u1ee5ng \u0111\u00f3 v\u00e0 sau \u0111\u00f3 t\u1ea3i l\u1ea1i t\u1eeb App Store. C\u00e1ch l\u00e0m n\u00e0y gi\u00fap l\u00e0m s\u1ea1ch d\u1eef li\u1ec7u t\u1ea1m th\u1eddi c\u1ee7a \u1ee9ng d\u1ee5ng m\u00e0 kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1c ph\u1ea7n kh\u00e1c c\u1ee7a thi\u1ebft b\u1ecb.<\/span><\/p>\n

Tr\u00ean m\u00e1y t\u00ednh Windows<\/b><\/h3>\n

\u0110\u1ec3 l\u00e0m s\u1ea1ch b\u1ed9 nh\u1edb \u0111\u1ec7m tr\u00ean m\u00e1y t\u00ednh Windows v\u00e0 gi\u1ea3i ph\u00f3ng dung l\u01b0\u1ee3ng \u1ed5 c\u1ee9ng, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 Disk Cleanup c\u00f3 s\u1eb5n trong h\u1ec7 \u0111i\u1ec1u h\u00e0nh. C\u00f4ng c\u1ee5 n\u00e0y qu\u00e9t v\u00e0 x\u00e1c \u0111\u1ecbnh nh\u1eefng t\u1eadp tin t\u1ea1m th\u1eddi, b\u1ed9 nh\u1edb \u0111\u1ec7m, file r\u00e1c, d\u1eef li\u1ec7u t\u1eeb c\u00e1c b\u1ea3n c\u1eadp nh\u1eadt c\u0169 ho\u1eb7c c\u00e1c m\u1ee5c trong th\u00f9ng r\u00e1c m\u00e0 ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 x\u00f3a \u0111i trong laptop<\/strong> <\/a>m\u00e0 kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ho\u1ea1t \u0111\u1ed9ng c\u1ee7a h\u1ec7 th\u1ed1ng.<\/span><\/p>\n

B\u01b0\u1edbc 1: Nh\u1ea5n v\u00e0o bi\u1ec3u t\u01b0\u1ee3ng Cortana ho\u1eb7c \u00f4 t\u00ecm ki\u1ebfm tr\u00ean thanh taskbar, nh\u1eadp t\u1eeb kh\u00f3a \u201cDisk Cleanup\u201d v\u00e0 ch\u1ecdn \u1ee9ng d\u1ee5ng Disk Cleanup t\u1eeb k\u1ebft qu\u1ea3 hi\u1ec3n th\u1ecb \u0111\u1ec3 m\u1edf c\u00f4ng c\u1ee5 n\u00e0y.<\/span><\/p>\n

B\u01b0\u1edbc 2: Khi c\u1eeda s\u1ed5 Disk Cleanup xu\u1ea5t hi\u1ec7n, \u0111\u1ea3m b\u1ea3o \u1ed5 \u0111\u0129a C (\u1ed5 ch\u1ee9a h\u1ec7 \u0111i\u1ec1u h\u00e0nh) \u0111\u01b0\u1ee3c ch\u1ecdn m\u1eb7c \u0111\u1ecbnh, sau \u0111\u00f3 nh\u1ea5n n\u00fat OK \u0111\u1ec3 ti\u1ebfp t\u1ee5c qu\u00e1 tr\u00ecnh qu\u00e9t c\u00e1c t\u1eadp tin t\u1ea1m th\u1eddi.<\/span><\/p>\n

\"cache-la-gi-7\"<\/picture><\/p>\n

B\u01b0\u1edbc 3: Trong danh s\u00e1ch c\u00e1c lo\u1ea1i d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea, t\u00ecm v\u00e0 \u0111\u00e1nh d\u1ea5u v\u00e0o \u00f4 Temporary files (t\u1ec7p tin t\u1ea1m th\u1eddi) \u0111\u1ec3 ch\u1ecdn c\u00e1c t\u1eadp tin b\u1ed9 nh\u1edb \u0111\u1ec7m v\u00e0 d\u1eef li\u1ec7u kh\u00f4ng c\u1ea7n thi\u1ebft kh\u00e1c s\u1ebd b\u1ecb x\u00f3a.<\/span><\/p>\n

B\u01b0\u1edbc 4: Nh\u1ea5n OK \u0111\u1ec3 b\u1eaft \u0111\u1ea7u d\u1ecdn d\u1eb9p. Qu\u00e1 tr\u00ecnh n\u00e0y s\u1ebd gi\u00fap gi\u1ea3i ph\u00f3ng dung l\u01b0\u1ee3ng l\u01b0u tr\u1eef, t\u0103ng hi\u1ec7u su\u1ea5t ho\u1ea1t \u0111\u1ed9ng v\u00e0 gi\u1eef cho h\u1ec7 th\u1ed1ng Windows lu\u00f4n s\u1ea1ch s\u1ebd, tr\u00e1nh b\u1ecb ch\u1eadm do d\u1eef li\u1ec7u t\u1ea1m th\u1eddi t\u00edch t\u1ee5.<\/span><\/p>\n

Tr\u00ean m\u00e1y t\u00ednh Macbook<\/b><\/h3>\n

Tr\u00ean h\u1ec7 th\u1ed1ng MacBook<\/strong><\/a>, vi\u1ec7c x\u00f3a <\/span>cache l\u00e0 g\u00ec?<\/b> B\u1ed9 nh\u1edb \u0111\u1ec7m tr\u00ean macOS l\u01b0u tr\u1eef c\u00e1c t\u1ec7p t\u1ea1m th\u1eddi t\u1eeb \u1ee9ng d\u1ee5ng v\u00e0 h\u1ec7 th\u1ed1ng \u0111\u1ec3 t\u0103ng t\u1ed1c qu\u00e1 tr\u00ecnh truy c\u1eadp d\u1eef li\u1ec7u, nh\u01b0ng theo th\u1eddi gian, c\u00e1c d\u1eef li\u1ec7u n\u00e0y c\u00f3 th\u1ec3 tr\u1edf n\u00ean l\u1ed7i th\u1eddi ho\u1eb7c chi\u1ebfm nhi\u1ec1u kh\u00f4ng gian kh\u00f4ng c\u1ea7n thi\u1ebft.<\/span><\/p>\n

B\u01b0\u1edbc 1: \u0110\u00f3ng ho\u00e0n to\u00e0n t\u1ea5t c\u1ea3 c\u00e1c \u1ee9ng d\u1ee5ng \u0111ang m\u1edf tr\u00ean MacBook \u0111\u1ec3 tr\u00e1nh x\u1ea3y ra l\u1ed7i ho\u1eb7c m\u1ea5t d\u1eef li\u1ec7u trong qu\u00e1 tr\u00ecnh x\u00f3a b\u1ed9 nh\u1edb \u0111\u1ec7m.<\/span><\/p>\n

B\u01b0\u1edbc 2: M\u1edf Finder, sau \u0111\u00f3 tr\u00ean thanh menu ch\u1ecdn Go v\u00e0 nh\u1ea5n v\u00e0o Go to Folder. Trong c\u1eeda s\u1ed5 hi\u1ec7n ra, nh\u1eadp \u0111\u01b0\u1eddng d\u1eabn ~\/Library\/Caches r\u1ed3i nh\u1ea5n Go \u0111\u1ec3 truy c\u1eadp th\u01b0 m\u1ee5c ch\u1ee9a cache.<\/span><\/p>\n

\"cache-la-gi-8\"<\/picture><\/p>\n

B\u01b0\u1edbc 3: T\u00ecm th\u01b0 m\u1ee5c t\u01b0\u01a1ng \u1ee9ng v\u1edbi \u1ee9ng d\u1ee5ng b\u1ea1n mu\u1ed1n x\u00f3a b\u1ed9 nh\u1edb \u0111\u1ec7m. Ch\u1ecdn to\u00e0n b\u1ed9 c\u00e1c t\u1ec7p tin v\u00e0 th\u01b0 m\u1ee5c b\u00ean trong, sau \u0111\u00f3 di chuy\u1ec3n ch\u00fang v\u00e0o Th\u00f9ng r\u00e1c (Move to Trash).<\/span><\/p>\n

B\u01b0\u1edbc 4: Kh\u1edfi \u0111\u1ed9ng l\u1ea1i m\u00e1y \u0111\u1ec3 h\u1ec7 th\u1ed1ng l\u00e0m m\u1edbi v\u00e0 \u00e1p d\u1ee5ng c\u00e1c thay \u0111\u1ed5i. Vi\u1ec7c n\u00e0y gi\u00fap MacBook ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh v\u00e0 t\u0103ng hi\u1ec7u su\u1ea5t s\u1eed d\u1ee5ng.<\/span><\/p>\n

K\u1ebft lu\u1eadn<\/b><\/h2>\n

Cache l\u00e0 g\u00ec?<\/b> \u0110\u00e2y ch\u00ednh l\u00e0 b\u1ed9 nh\u1edb t\u1ea1m th\u1eddi gi\u00fap thi\u1ebft b\u1ecb l\u01b0u gi\u1eef c\u00e1c d\u1eef li\u1ec7u hay t\u00e0i nguy\u00ean \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nhi\u1ec1u l\u1ea7n, gi\u00fap qu\u00e1 tr\u00ecnh truy c\u1eadp nhanh h\u01a1n v\u00e0 ti\u1ebft ki\u1ec7m b\u0103ng th\u00f4ng. Vi\u1ec7c hi\u1ec3u v\u00e0 qu\u1ea3n l\u00fd cache h\u1ee3p l\u00fd, \u0111\u1eb7c bi\u1ec7t l\u00e0 bi\u1ebft khi n\u00e0o c\u1ea7n x\u00f3a b\u1ed9 nh\u1edb \u0111\u1ec7m, s\u1ebd gi\u00fap duy tr\u00ec hi\u1ec7u su\u1ea5t \u1ed5n \u0111\u1ecbnh cho m\u00e1y t\u00ednh ho\u1eb7c \u0111i\u1ec7n tho\u1ea1i c\u1ee7a b\u1ea1n.<\/span><\/p>\n

Xem th\u00eam:<\/b><\/p>\n