{"id":476658,"date":"2023-08-09T07:31:20","date_gmt":"2023-08-09T07:31:20","guid":{"rendered":""},"modified":"2023-09-05T11:13:11","modified_gmt":"2023-09-05T11:13:11","slug":"data-logging","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/vn\/wiki\/data-logging\/","title":{"rendered":"\u0110\u0103ng nh\u1eadp v\u00e0o d\u1eef li\u1ec7u"},"content":{"rendered":"<p>Ghi nh\u1eadt k\u00fd d\u1eef li\u1ec7u l\u00e0 ph\u01b0\u01a1ng ph\u00e1p thu th\u1eadp v\u00e0 l\u01b0u tr\u1eef d\u1eef li\u1ec7u trong m\u1ed9t kho\u1ea3ng th\u1eddi gian. Qu\u00e1 tr\u00ecnh n\u00e0y th\u01b0\u1eddng bao g\u1ed3m vi\u1ec7c thu th\u1eadp d\u1eef li\u1ec7u t\u1eeb nhi\u1ec1u ngu\u1ed3n kh\u00e1c nhau, bao g\u1ed3m c\u1ea3m bi\u1ebfn, m\u00e1y ch\u1ee7 v\u00e0 c\u01a1 s\u1edf d\u1eef li\u1ec7u \u0111\u1ec3 ph\u00e2n t\u00edch, kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 ho\u1eb7c ki\u1ec3m tra d\u1eef li\u1ec7u n\u00e0y sau \u0111\u00f3. D\u1eef li\u1ec7u \u0111\u00e3 ghi \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef trong c\u00e1c t\u1ec7p nh\u1eadt k\u00fd th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp theo th\u1eddi gian v\u00e0 ng\u00e0y. Th\u1ef1c ti\u1ec5n n\u00e0y r\u1ea5t c\u1ea7n thi\u1ebft trong nhi\u1ec1u l\u0129nh v\u1ef1c kh\u00e1c nhau, ch\u1eb3ng h\u1ea1n nh\u01b0 CNTT, nghi\u00ean c\u1ee9u khoa h\u1ecdc, s\u1ea3n xu\u1ea5t v\u00e0 v\u1eadn t\u1ea3i.<\/p>\n<h2>Ngu\u1ed3n g\u1ed1c c\u1ee7a vi\u1ec7c ghi d\u1eef li\u1ec7u<\/h2>\n<p>Ghi nh\u1eadt k\u00fd d\u1eef li\u1ec7u nh\u01b0 m\u1ed9t kh\u00e1i ni\u1ec7m c\u00f3 th\u1ec3 b\u1eaft ngu\u1ed3n t\u1eeb nh\u1eefng ng\u00e0y \u0111\u1ea7u c\u1ee7a m\u00e1y t\u00ednh. B\u1ea3n th\u00e2n thu\u1eadt ng\u1eef n\u00e0y l\u1ea7n \u0111\u1ea7u ti\u00ean \u0111\u01b0\u1ee3c \u0111\u1eb7t ra trong b\u1ed1i c\u1ea3nh l\u1eadp tr\u00ecnh m\u00e1y t\u00ednh trong nh\u1eefng n\u0103m 1960 v\u00e0 1970. Vi\u1ec7c thu th\u1eadp v\u00e0 l\u01b0u tr\u1eef d\u1eef li\u1ec7u \u0111\u1ec3 ph\u00e2n t\u00edch sau n\u00e0y l\u00e0 m\u1ed9t ph\u1ea7n kh\u00f4ng th\u1ec3 thi\u1ebfu trong qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n m\u00e1y t\u00ednh l\u1edbn. Khi h\u1ec7 th\u1ed1ng m\u00e1y t\u00ednh ng\u00e0y c\u00e0ng ph\u1ee9c t\u1ea1p h\u01a1n v\u00e0 b\u1eaft \u0111\u1ea7u x\u1eed l\u00fd l\u01b0\u1ee3ng d\u1eef li\u1ec7u l\u1edbn h\u01a1n, nhu c\u1ea7u ghi l\u1ea1i v\u00e0 hi\u1ec3u h\u00e0nh vi c\u1ee7a h\u1ec7 th\u1ed1ng c\u00e0ng tr\u1edf n\u00ean quan tr\u1ecdng h\u01a1n.<\/p>\n<p>Vi\u1ec7c ghi d\u1eef li\u1ec7u ban \u0111\u1ea7u ch\u1ee7 y\u1ebfu li\u00ean quan \u0111\u1ebfn vi\u1ec7c n\u1eafm b\u1eaft c\u00e1c l\u1ed7i ho\u1eb7c l\u1ed7i h\u1ec7 th\u1ed1ng. Tuy nhi\u00ean, khi c\u00f4ng ngh\u1ec7 ng\u00e0y c\u00e0ng ti\u00ean ti\u1ebfn th\u00ec c\u00e1c \u1ee9ng d\u1ee5ng ghi d\u1eef li\u1ec7u c\u0169ng ph\u00e1t tri\u1ec3n theo. Ng\u00e0y nay, n\u00f3 bao g\u1ed3m nhi\u1ec1u tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng kh\u00e1c nhau, t\u1eeb theo d\u00f5i hi\u1ec7u su\u1ea5t \u0111\u1ebfn ph\u00e1t hi\u1ec7n gian l\u1eadn v\u00e0 t\u1eeb th\u1eed nghi\u1ec7m khoa h\u1ecdc \u0111\u1ebfn theo d\u00f5i kh\u00e1ch truy c\u1eadp trang web.<\/p>\n<h2>T\u00ecm hi\u1ec3u chi ti\u1ebft v\u1ec1 ghi nh\u1eadt k\u00fd d\u1eef li\u1ec7u<\/h2>\n<p>Ghi nh\u1eadt k\u00fd d\u1eef li\u1ec7u li\u00ean quan \u0111\u1ebfn vi\u1ec7c thu th\u1eadp d\u1eef li\u1ec7u t\u1ef1 \u0111\u1ed9ng t\u1eeb nhi\u1ec1u ngu\u1ed3n kh\u00e1c nhau. Nh\u1eefng \u0111i\u1ec3m d\u1eef li\u1ec7u n\u00e0y, \u0111\u01b0\u1ee3c thu th\u1eadp trong m\u1ed9t kho\u1ea3ng th\u1eddi gian, sau \u0111\u00f3 \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef trong m\u1ed9t t\u1ec7p ho\u1eb7c c\u01a1 s\u1edf d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 nh\u1eadt k\u00fd. Nh\u1eadt k\u00fd n\u00e0y ghi l\u1ea1i t\u1eebng s\u1ef1 ki\u1ec7n t\u00e1c \u0111\u1ed9ng \u0111\u1ebfn ngu\u1ed3n d\u1eef li\u1ec7u, theo d\u00f5i c\u00e1c thay \u0111\u1ed5i v\u00e0 l\u1ed7i trong th\u1eddi gian th\u1ef1c.<\/p>\n<p>M\u1ed9t kh\u00eda c\u1ea1nh quan tr\u1ecdng c\u1ee7a vi\u1ec7c ghi d\u1eef li\u1ec7u l\u00e0 d\u1ea5u th\u1eddi gian, cung c\u1ea5p ng\u00e0y v\u00e0 gi\u1edd ch\u00ednh x\u00e1c c\u1ee7a t\u1eebng s\u1ef1 ki\u1ec7n \u0111\u01b0\u1ee3c ghi l\u1ea1i. T\u00ednh n\u0103ng n\u00e0y cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng ph\u00e2n t\u00edch xu h\u01b0\u1edbng theo th\u1eddi gian, x\u00e1c \u0111\u1ecbnh chu\u1ed7i s\u1ef1 ki\u1ec7n d\u1eabn \u0111\u1ebfn m\u1ed9t k\u1ebft qu\u1ea3 c\u1ee5 th\u1ec3 ho\u1eb7c kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1.<\/p>\n<p>Ghi d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c l\u0129nh v\u1ef1c kh\u00e1c nhau. V\u00ed d\u1ee5: trong CNTT, ghi d\u1eef li\u1ec7u gi\u00fap gi\u00e1m s\u00e1t v\u00e0 kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 m\u1ea1ng v\u00e0 h\u1ec7 th\u1ed1ng. Trong nghi\u00ean c\u1ee9u khoa h\u1ecdc ho\u1eb7c s\u1ea3n xu\u1ea5t, n\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ghi l\u1ea1i d\u1eef li\u1ec7u t\u1eeb c\u00e1c c\u1ea3m bi\u1ebfn, nh\u01b0 nhi\u1ec7t \u0111\u1ed9, \u00e1p su\u1ea5t ho\u1eb7c \u0111\u1ed9 \u1ea9m, cho ph\u00e9p c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u ho\u1eb7c k\u1ef9 s\u01b0 quan s\u00e1t c\u00e1c m\u1eabu ho\u1eb7c \u0111i\u1ec3m b\u1ea5t th\u01b0\u1eddng.<\/p>\n<h2>Ho\u1ea1t \u0111\u1ed9ng b\u00ean trong c\u1ee7a vi\u1ec7c ghi d\u1eef li\u1ec7u<\/h2>\n<p>Ghi nh\u1eadt k\u00fd d\u1eef li\u1ec7u th\u01b0\u1eddng bao g\u1ed3m ba giai \u0111o\u1ea1n ch\u00ednh: thu th\u1eadp d\u1eef li\u1ec7u, l\u01b0u tr\u1eef d\u1eef li\u1ec7u v\u00e0 ph\u00e2n t\u00edch d\u1eef li\u1ec7u.<\/p>\n<ol>\n<li>\n<p><strong>Thu th\u1eadp d\u1eef li\u1ec7u<\/strong>: \u0110\u00e2y l\u00e0 giai \u0111o\u1ea1n \u0111\u1ea7u ti\u00ean, n\u01a1i d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c thu th\u1eadp t\u1eeb nhi\u1ec1u ngu\u1ed3n kh\u00e1c nhau. Trong ng\u00e0nh CNTT, d\u1eef li\u1ec7u c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c thu th\u1eadp t\u1eeb m\u00e1y ch\u1ee7, c\u01a1 s\u1edf d\u1eef li\u1ec7u ho\u1eb7c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a ng\u01b0\u1eddi d\u00f9ng. Trong nghi\u00ean c\u1ee9u ho\u1eb7c s\u1ea3n xu\u1ea5t, d\u1eef li\u1ec7u c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c thu th\u1eadp t\u1eeb c\u00e1c c\u1ea3m bi\u1ebfn kh\u00e1c nhau.<\/p>\n<\/li>\n<li>\n<p><strong>L\u01b0u tr\u1eef d\u1eef li\u1ec7u<\/strong>: Sau khi d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c thu th\u1eadp, d\u1eef li\u1ec7u s\u1ebd \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef trong t\u1ec7p nh\u1eadt k\u00fd ho\u1eb7c c\u01a1 s\u1edf d\u1eef li\u1ec7u c\u00f3 c\u1ea5u tr\u00fac \u0111\u1ec3 s\u1eed d\u1ee5ng sau. B\u1ed9 l\u01b0u tr\u1eef n\u00e0y c\u00f3 th\u1ec3 c\u1ee5c b\u1ed9 ho\u1eb7c d\u1ef1a tr\u00ean \u0111\u00e1m m\u00e2y, t\u00f9y thu\u1ed9c v\u00e0o l\u01b0\u1ee3ng d\u1eef li\u1ec7u c\u0169ng nh\u01b0 c\u00e1c y\u00eau c\u1ea7u v\u1ec1 quy\u1ec1n truy c\u1eadp v\u00e0 b\u1ea3o m\u1eadt.<\/p>\n<\/li>\n<li>\n<p><strong>Ph\u00e2n t\u00edch d\u1eef li\u1ec7u<\/strong>: \u0110\u00e2y l\u00e0 giai \u0111o\u1ea1n d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef \u0111\u01b0\u1ee3c ph\u00e2n t\u00edch \u0111\u1ec3 r\u00fat ra nh\u1eefng hi\u1ec3u bi\u1ebft c\u00f3 gi\u00e1 tr\u1ecb. Nh\u1eefng ph\u00e2n t\u00edch n\u00e0y c\u00f3 th\u1ec3 \u0111\u01a1n gi\u1ea3n, ch\u1eb3ng h\u1ea1n nh\u01b0 x\u00e1c \u0111\u1ecbnh nguy\u00ean nh\u00e2n g\u00e2y ra s\u1ef1 c\u1ed1 h\u1ec7 th\u1ed1ng ho\u1eb7c ph\u1ee9c t\u1ea1p, nh\u01b0 d\u1ef1 \u0111o\u00e1n xu h\u01b0\u1edbng trong t\u01b0\u01a1ng lai d\u1ef1a tr\u00ean d\u1eef li\u1ec7u trong qu\u00e1 kh\u1ee9.<\/p>\n<\/li>\n<\/ol>\n<h2>C\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a ghi d\u1eef li\u1ec7u<\/h2>\n<p>Ghi d\u1eef li\u1ec7u \u0111i k\u00e8m v\u1edbi m\u1ed9t lo\u1ea1t c\u00e1c t\u00ednh n\u0103ng, m\u1ed9t s\u1ed1 t\u00ednh n\u0103ng bao g\u1ed3m:<\/p>\n<ul>\n<li><strong>Thu th\u1eadp d\u1eef li\u1ec7u t\u1ef1 \u0111\u1ed9ng<\/strong>: H\u1ec7 th\u1ed1ng ghi d\u1eef li\u1ec7u t\u1ef1 \u0111\u1ed9ng thu th\u1eadp v\u00e0 ghi l\u1ea1i d\u1eef li\u1ec7u, lo\u1ea1i b\u1ecf nhu c\u1ea7u nh\u1eadp th\u1ee7 c\u00f4ng.<\/li>\n<li><strong>D\u1ea5u th\u1eddi gian<\/strong>: M\u1ed7i \u0111i\u1ec3m d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c ghi l\u1ea1i \u0111\u01b0\u1ee3c li\u00ean k\u1ebft v\u1edbi m\u1ed9t ng\u00e0y v\u00e0 gi\u1edd c\u1ee5 th\u1ec3, cung c\u1ea5p d\u00f2ng th\u1eddi gian r\u00f5 r\u00e0ng v\u1ec1 c\u00e1c s\u1ef1 ki\u1ec7n.<\/li>\n<li><strong>\u0111\u1ed9 tin c\u1eady<\/strong>: D\u1eef li\u1ec7u nh\u1eadt k\u00fd c\u00f3 gi\u00e1 tr\u1ecb trong vi\u1ec7c ph\u00e1t hi\u1ec7n l\u1ed7i h\u1ec7 th\u1ed1ng ho\u1eb7c s\u1ef1 kh\u00f4ng nh\u1ea5t qu\u00e1n c\u1ee7a d\u1eef li\u1ec7u, khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh c\u00f4ng c\u1ee5 \u0111\u00e1ng tin c\u1eady \u0111\u1ec3 kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1.<\/li>\n<li><strong>Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng<\/strong>: Khi ngu\u1ed3n v\u00e0 kh\u1ed1i l\u01b0\u1ee3ng d\u1eef li\u1ec7u t\u0103ng l\u00ean, h\u1ec7 th\u1ed1ng ghi d\u1eef li\u1ec7u c\u00f3 th\u1ec3 m\u1edf r\u1ed9ng quy m\u00f4 \u0111\u1ec3 \u0111\u00e1p \u1ee9ng ch\u00fang.<\/li>\n<li><strong>Gi\u00e1m s\u00e1t th\u1eddi gian th\u1ef1c<\/strong>: M\u1ed9t s\u1ed1 h\u1ec7 th\u1ed1ng ghi d\u1eef li\u1ec7u cung c\u1ea5p kh\u1ea3 n\u0103ng gi\u00e1m s\u00e1t theo th\u1eddi gian th\u1ef1c, cung c\u1ea5p th\u00f4ng tin chi ti\u1ebft t\u1ee9c th\u00ec v\u1ec1 hi\u1ec7u su\u1ea5t h\u1ec7 th\u1ed1ng v\u00e0 c\u00e1c v\u1ea5n \u0111\u1ec1 ti\u1ec1m \u1ea9n.<\/li>\n<\/ul>\n<h2>C\u00e1c lo\u1ea1i ghi d\u1eef li\u1ec7u<\/h2>\n<p>C\u00f3 nhi\u1ec1u lo\u1ea1i ghi d\u1eef li\u1ec7u d\u1ef1a tr\u00ean c\u00e1c ti\u00eau ch\u00ed kh\u00e1c nhau:<\/p>\n<table>\n<thead>\n<tr>\n<th>Ti\u00eau chu\u1ea9n<\/th>\n<th>C\u00e1c lo\u1ea1i ghi d\u1eef li\u1ec7u<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Ngu\u1ed3n<\/td>\n<td>Nh\u1eadt k\u00fd m\u00e1y ch\u1ee7, Nh\u1eadt k\u00fd c\u01a1 s\u1edf d\u1eef li\u1ec7u, Nh\u1eadt k\u00fd c\u1ea3m bi\u1ebfn, Nh\u1eadt k\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a ng\u01b0\u1eddi d\u00f9ng, Nh\u1eadt k\u00fd s\u1ef1 ki\u1ec7n<\/td>\n<\/tr>\n<tr>\n<td>Khu v\u1ef1c l\u01b0u tr\u1eef<\/td>\n<td>Ghi nh\u1eadt k\u00fd c\u1ee5c b\u1ed9, Ghi nh\u1eadt k\u00fd tr\u00ean \u0111\u00e1m m\u00e2y<\/td>\n<\/tr>\n<tr>\n<td>Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/td>\n<td>Ghi nh\u1eadt k\u00fd h\u1ec7 th\u1ed1ng, Ghi nh\u1eadt k\u00fd \u1ee9ng d\u1ee5ng, Ghi nh\u1eadt k\u00fd b\u1ea3o m\u1eadt, Ghi nh\u1eadt k\u00fd giao d\u1ecbch<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u1ee8ng d\u1ee5ng v\u00e0 th\u00e1ch th\u1ee9c c\u1ee7a vi\u1ec7c ghi d\u1eef li\u1ec7u<\/h2>\n<p>Ghi nh\u1eadt k\u00fd d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c \u1ee9ng d\u1ee5ng kh\u00e1c nhau, ch\u1eb3ng h\u1ea1n nh\u01b0:<\/p>\n<ul>\n<li>Qu\u1ea3n l\u00fd CNTT v\u00e0 m\u1ea1ng: \u0110\u1ec3 gi\u00e1m s\u00e1t v\u00e0 kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 h\u1ec7 th\u1ed1ng<\/li>\n<li>Nghi\u00ean c\u1ee9u khoa h\u1ecdc: Ghi ch\u00e9p v\u00e0 ph\u00e2n t\u00edch d\u1eef li\u1ec7u th\u1ef1c nghi\u1ec7m<\/li>\n<li>S\u1ea3n xu\u1ea5t: Theo d\u00f5i v\u00e0 c\u1ea3i ti\u1ebfn quy tr\u00ecnh s\u1ea3n xu\u1ea5t<\/li>\n<li>Ch\u0103m s\u00f3c s\u1ee9c kh\u1ecfe: \u0110\u1ec3 theo d\u00f5i c\u00e1c th\u00f4ng s\u1ed1 s\u1ee9c kh\u1ecfe c\u1ee7a b\u1ec7nh nh\u00e2n<\/li>\n<\/ul>\n<p>M\u1eb7c d\u00f9 c\u00f3 r\u1ea5t nhi\u1ec1u \u1ee9ng d\u1ee5ng, vi\u1ec7c ghi d\u1eef li\u1ec7u c\u0169ng \u0111\u1eb7t ra nh\u1eefng th\u00e1ch th\u1ee9c nh\u1ea5t \u0111\u1ecbnh, ch\u1eb3ng h\u1ea1n nh\u01b0:<\/p>\n<ul>\n<li><strong>Kh\u1ed1i l\u01b0\u1ee3ng d\u1eef li\u1ec7u<\/strong>: Kh\u1ed1i l\u01b0\u1ee3ng d\u1eef li\u1ec7u l\u1edbn c\u00f3 th\u1ec3 qu\u00e1 t\u1ea3i v\u00e0 c\u00f3 th\u1ec3 y\u00eau c\u1ea7u t\u00e0i nguy\u00ean l\u01b0u tr\u1eef \u0111\u00e1ng k\u1ec3.<\/li>\n<li><strong>B\u1ea3o m\u1eadt d\u1eef li\u1ec7u<\/strong>: \u0110\u1ea3m b\u1ea3o t\u00ednh b\u1ea3o m\u1eadt v\u00e0 quy\u1ec1n ri\u00eang t\u01b0 c\u1ee7a d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c ghi l\u1ea1i l\u00e0 m\u1ed1i quan t\u00e2m, \u0111\u1eb7c bi\u1ec7t \u0111\u1ed1i v\u1edbi d\u1eef li\u1ec7u nh\u1ea1y c\u1ea3m.<\/li>\n<li><strong>Gi\u1ea3i th\u00edch d\u1eef li\u1ec7u<\/strong>: Vi\u1ec7c ph\u00e2n t\u00edch v\u00e0 r\u00fat ra nh\u1eefng hi\u1ec3u bi\u1ebft h\u1eefu \u00edch t\u1eeb d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c ghi l\u1ea1i c\u00f3 th\u1ec3 ph\u1ee9c t\u1ea1p v\u00e0 \u0111\u00f2i h\u1ecfi nh\u00e2n vi\u00ean c\u00f3 tay ngh\u1ec1 cao.<\/li>\n<\/ul>\n<h2>So s\u00e1nh v\u1edbi c\u00e1c \u0111i\u1ec1u kho\u1ea3n t\u01b0\u01a1ng t\u1ef1<\/h2>\n<table>\n<thead>\n<tr>\n<th>Thu\u1eadt ng\u1eef<\/th>\n<th>S\u1ef1 mi\u00eau t\u1ea3<\/th>\n<th>S\u1ef1 kh\u00e1c bi\u1ec7t ch\u00ednh<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Khai th\u00e1c d\u1eef li\u1ec7u<\/td>\n<td>Vi\u1ec7c th\u1ef1c h\u00e0nh ki\u1ec3m tra c\u01a1 s\u1edf d\u1eef li\u1ec7u l\u1edbn \u0111\u1ec3 t\u1ea1o ra th\u00f4ng tin m\u1edbi.<\/td>\n<td>Kh\u00f4ng gi\u1ed1ng nh\u01b0 ghi nh\u1eadt k\u00fd, khai th\u00e1c d\u1eef li\u1ec7u li\u00ean quan \u0111\u1ebfn vi\u1ec7c t\u00ecm ki\u1ebfm c\u00e1c m\u1eabu v\u00e0 m\u1ed1i t\u01b0\u01a1ng quan trong c\u00e1c t\u1eadp d\u1eef li\u1ec7u l\u1edbn.<\/td>\n<\/tr>\n<tr>\n<td>Kho d\u1eef li\u1ec7u<\/td>\n<td>Quy tr\u00ecnh x\u00e2y d\u1ef1ng v\u00e0 s\u1eed d\u1ee5ng kho d\u1eef li\u1ec7u.<\/td>\n<td>Kho b\u00e3i li\u00ean quan \u0111\u1ebfn vi\u1ec7c t\u1eadp trung v\u00e0 l\u01b0u tr\u1eef d\u1eef li\u1ec7u li\u00ean t\u1ee5c, trong khi vi\u1ec7c ghi nh\u1eadt k\u00fd li\u00ean quan \u0111\u1ebfn vi\u1ec7c thu th\u1eadp v\u00e0 ghi l\u1ea1i d\u1eef li\u1ec7u li\u00ean t\u1ee5c.<\/td>\n<\/tr>\n<tr>\n<td>Thu th\u1eadp d\u1eef li\u1ec7u<\/td>\n<td>Qu\u00e1 tr\u00ecnh thu th\u1eadp v\u00e0 \u0111o l\u01b0\u1eddng th\u00f4ng tin.<\/td>\n<td>Ghi nh\u1eadt k\u00fd d\u1eef li\u1ec7u l\u00e0 m\u1ed9t lo\u1ea1i thu th\u1eadp d\u1eef li\u1ec7u, nh\u01b0ng thu\u1eadt ng\u1eef sau r\u1ed9ng h\u01a1n v\u00e0 kh\u00f4ng nh\u1ea5t thi\u1ebft li\u00ean quan \u0111\u1ebfn vi\u1ec7c ghi t\u1ef1 \u0111\u1ed9ng ho\u1eb7c d\u1ea5u th\u1eddi gian.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Quan \u0111i\u1ec3m t\u01b0\u01a1ng lai c\u1ee7a vi\u1ec7c ghi d\u1eef li\u1ec7u<\/h2>\n<p>Ghi nh\u1eadt k\u00fd d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp \u0111\u1ec3 ph\u00e1t tri\u1ec3n v\u1edbi nh\u1eefng ti\u1ebfn b\u1ed9 trong c\u00f4ng ngh\u1ec7. C\u00e1c xu h\u01b0\u1edbng nh\u01b0 \u0111i\u1ec7n to\u00e1n ranh gi\u1edbi v\u00e0 thi\u1ebft b\u1ecb IoT s\u1ebd t\u1ea1o ra kh\u1ed1i l\u01b0\u1ee3ng d\u1eef li\u1ec7u th\u1eadm ch\u00ed c\u00f2n l\u1edbn h\u01a1n, l\u00e0m t\u0103ng nhu c\u1ea7u ghi nh\u1eadt k\u00fd hi\u1ec7u qu\u1ea3. Ngo\u00e0i ra, vi\u1ec7c \u1ee9ng d\u1ee5ng tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o v\u00e0 h\u1ecdc m\u00e1y v\u00e0o d\u1eef li\u1ec7u \u0111\u00e3 ghi \u0111\u01b0\u1ee3c k\u1ef3 v\u1ecdng s\u1ebd c\u1ea3i thi\u1ec7n hi\u1ec7u qu\u1ea3 v\u00e0 hi\u1ec3u bi\u1ebft s\u00e2u s\u1eafc thu \u0111\u01b0\u1ee3c t\u1eeb ph\u00e2n t\u00edch d\u1eef li\u1ec7u.<\/p>\n<h2>M\u00e1y ch\u1ee7 proxy v\u00e0 ghi nh\u1eadt k\u00fd d\u1eef li\u1ec7u<\/h2>\n<p>M\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng c\u00f9ng v\u1edbi vi\u1ec7c ghi d\u1eef li\u1ec7u theo nhi\u1ec1u c\u00e1ch. V\u00ed d\u1ee5: m\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 l\u01b0u nh\u1eadt k\u00fd t\u1ea5t c\u1ea3 l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp m\u1ea1ng m\u00e0 n\u00f3 x\u1eed l\u00fd, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 gi\u00fap x\u00e1c \u0111\u1ecbnh c\u00e1c m\u1ed1i \u0111e d\u1ecda b\u1ea3o m\u1eadt ti\u1ec1m \u1ea9n ho\u1eb7c c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 hi\u1ec7u su\u1ea5t. Ngo\u00e0i ra, ng\u01b0\u1eddi d\u00f9ng c\u0169ng c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng proxy \u0111\u1ec3 \u1ea9n danh nh\u1eadt k\u00fd d\u1eef li\u1ec7u c\u1ee7a h\u1ecd, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi nh\u1eefng lo ng\u1ea1i v\u1ec1 quy\u1ec1n ri\u00eang t\u01b0.<\/p>\n<h2>Li\u00ean k\u1ebft li\u00ean quan<\/h2>\n<ul>\n<li><a href=\"https:\/\/www.datadoghq.com\/blog\/log-management-best-practices\/\" target=\"_new\" rel=\"noopener nofollow\">C\u00e1c ph\u01b0\u01a1ng ph\u00e1p hay nh\u1ea5t v\u1ec1 qu\u1ea3n l\u00fd nh\u1eadt k\u00fd<\/a><\/li>\n<li><a href=\"https:\/\/www.ni.com\/en-us\/innovations\/white-papers\/06\/data-logging-basics.html\" target=\"_new\" rel=\"noopener nofollow\">Th\u00f4ng tin c\u01a1 b\u1ea3n v\u1ec1 ghi nh\u1eadt k\u00fd d\u1eef li\u1ec7u<\/a><\/li>\n<li><a href=\"https:\/\/www.dataloggerinc.com\/resource-article\/introduction-to-data-loggers\/\" target=\"_new\" rel=\"noopener nofollow\">Gi\u1edbi thi\u1ec7u v\u1ec1 Tr\u00ecnh ghi d\u1eef li\u1ec7u<\/a><\/li>\n<\/ul>","protected":false},"featured_media":476659,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-476658","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Data Logging: An In-depth Examination<\/mark>","faq_items":[{"question":"What is data logging?","answer":"<p>Data logging is an automated process of collecting and storing data from various sources over a period for later analysis. This data is usually stored in log files and is timestamped for a detailed event timeline.<\/p>"},{"question":"When did the concept of data logging originate?","answer":"<p>The term \"data logging\" was first coined in the context of computer programming during the 1960s and 1970s. However, the practice of collecting and storing data for later analysis became an integral part of the development of mainframe computers even before that.<\/p>"},{"question":"How does data logging work?","answer":"<p>Data logging involves three primary stages: data acquisition, where data is collected from various sources; data storage, where this data is stored in a structured log file or database; and data analysis, where the stored data is evaluated to extract valuable insights.<\/p>"},{"question":"What are the key features of data logging?","answer":"<p>Key features of data logging include automatic data collection, timestamping, reliability, scalability, and in some cases, real-time monitoring.<\/p>"},{"question":"What types of data logging exist?","answer":"<p>Data logging can be categorized based on the source (server logs, database logs, sensor logs, user activity logs, event logs), storage location (local logging, cloud logging), and use case (system logging, application logging, security logging, transaction logging).<\/p>"},{"question":"What are the applications and challenges of data logging?","answer":"<p>Data logging is used in IT and network management, scientific research, manufacturing, and healthcare. However, it also presents challenges such as handling large volumes of data, ensuring data security and privacy, and the complexity of data interpretation.<\/p>"},{"question":"How is data logging different from data mining and data warehousing?","answer":"<p>Data mining involves looking for patterns and correlations in large data sets, unlike logging which involves ongoing collection and recording of data. Data warehousing involves the centralization and persistent storage of data, whereas logging involves recording data continuously.<\/p>"},{"question":"What is the future of data logging?","answer":"<p>With the advancements in technology like edge computing and IoT devices, data logging is set to evolve, increasing the need for effective logging. Also, the application of artificial intelligence and machine learning to logged data is expected to improve the efficiency of data analysis.<\/p>"},{"question":"How are proxy servers associated with data logging?","answer":"<p>Proxy servers can be used in conjunction with data logging in several ways. They can keep a log of all network traffic they handle, which can help identify potential security threats or performance issues. Moreover, proxies can be used to anonymize data logs, crucial for privacy concerns.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/476658","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/476658\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media\/476659"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media?parent=476658"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}