{"id":1680,"date":"2022-02-24T07:40:27","date_gmt":"2022-02-24T07:40:27","guid":{"rendered":"https:\/\/topviecit.vn\/blog\/?p=1680"},"modified":"2022-02-24T07:40:28","modified_gmt":"2022-02-24T07:40:28","slug":"hadoop-la-gi","status":"publish","type":"post","link":"https:\/\/topviecit.vn\/blog\/hadoop-la-gi\/","title":{"rendered":"Hadoop L\u00e0 G\u00ec? T\u00ecm Hi\u1ec3u Chi Ti\u1ebft V\u1ec1 HDFS"},"content":{"rendered":"\n<p>N\u1ebfu l\u00e0 m\u1ed9t d\u00e2n c\u00f4ng ngh\u1ec7 th\u1ef1c th\u1ee5, b\u1ea1n s\u1ebd ch\u1eb3ng th\u1ec3 n\u00e0o kh\u00f4ng bi\u1ebft \u0111\u1ebfn kh\u00e1i ni\u1ec7m<strong> Hadoop l\u00e0 g\u00ec<\/strong> ph\u1ea3i kh\u00f4ng n\u00e0o? Trong b\u00e0i vi\u1ebft ng\u00e0y h\u00f4m nay <strong><a href=\"https:\/\/topviecit.vn\/\">topviecit.vn<\/a><\/strong> c\u00f9ng \u0111i t\u00ecm hi\u1ec3u chi ti\u1ebft v\u1ec1 HDFS nh\u00e9!<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_63 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title \" >Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/topviecit.vn\/blog\/hadoop-la-gi\/#Hadoop_la_gi\" title=\"Hadoop l\u00e0 g\u00ec?\">Hadoop l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/topviecit.vn\/blog\/hadoop-la-gi\/#Muc_dich_su_dung_cua_Hadoop_la_gi\" title=\"M\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng c\u1ee7a Hadoop l\u00e0 g\u00ec?\">M\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng c\u1ee7a Hadoop l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/topviecit.vn\/blog\/hadoop-la-gi\/#Tim_hieu_ve_HDFS\" title=\"T\u00ecm hi\u1ec3u v\u1ec1 HDFS\">T\u00ecm hi\u1ec3u v\u1ec1 HDFS<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/topviecit.vn\/blog\/hadoop-la-gi\/#HDFS_la_gi\" title=\"HDFS l\u00e0 g\u00ec?\">HDFS l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/topviecit.vn\/blog\/hadoop-la-gi\/#Uu_diem_noi_bat_cua_HDFS\" title=\"\u01afu \u0111i\u1ec3m n\u1ed5i b\u1eadt c\u1ee7a HDFS\">\u01afu \u0111i\u1ec3m n\u1ed5i b\u1eadt c\u1ee7a HDFS<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/topviecit.vn\/blog\/hadoop-la-gi\/#HDFS_giup_giai_quyet_nhung_van_de_nao\" title=\"HDFS gi\u00fap gi\u1ea3i quy\u1ebft nh\u1eefng v\u1ea5n \u0111\u1ec1 n\u00e0o?\">HDFS gi\u00fap gi\u1ea3i quy\u1ebft nh\u1eefng v\u1ea5n \u0111\u1ec1 n\u00e0o?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Hadoop_la_gi\"><\/span><strong>Hadoop l\u00e0 g\u00ec?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Hadoop l\u00e0 g\u00ec? Hadoop \u0111\u01b0\u1ee3c hi\u1ec3u l\u00e0 m\u1ed9t d\u1ea1ng framework, m\u00e0 c\u1ee5 th\u1ec3 \u0111\u00f3 ch\u00ednh l\u00e0 Apache. M\u00e3 ngu\u1ed3n m\u1edf n\u00e0y cho ph\u00e9p \u1ee9ng d\u1ee5ng ph\u00e2n t\u00e1n nh\u1eb1m m\u1ee5c \u0111\u00edch l\u01b0u tr\u1eef v\u00e0 qu\u1ea3n l\u00fd nh\u1eefng d\u1eef li\u1ec7u l\u1edbn.\u00a0<\/p>\n\n\n\n<p>Hadoop \u1edf d\u1ea1ng m\u00f4 h\u00ecnh MapReduce, \u0111\u00e2y l\u00e0 m\u00f4 h\u00ecnh chia nh\u1ecf \u1ee9ng d\u1ee5ng&nbsp; ra th\u00e0nh nhi\u1ec1u ph\u00e2n \u0111o\u1ea1n kh\u00e1c nhau \u0111\u01b0\u1ee3c ch\u1ea1y song song tr\u00ean nhi\u1ec1u node kh\u00e1c nhau.&nbsp;<\/p>\n\n\n\n<p>D\u00f9 \u0111\u01b0\u1ee3c vi\u1ebft b\u1eb1ng Java nh\u01b0ng Hadoop v\u1eabn h\u1ed7 tr\u1ee3\u00a0 C++, Python, Perl qua c\u01a1 ch\u1ebf streaming.<\/p>\n\n\n\n<p>>>>Xem th\u00eam: <a href=\"https:\/\/topviecit.vn\/blog\/data-science-la-gi\/\">Data Science L\u00e0 G\u00ec? K\u1ef9 N\u0103ng C\u1ee7a M\u1ed9t Data Scientist Gi\u1ecfi<\/a><\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"500\" src=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/image-36.png\" alt=\"Hadoop l\u00e0 g\u00ec?\" class=\"wp-image-1681\" srcset=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/image-36.png 800w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/image-36-640x400.png 640w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/image-36-768x480.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption><em>Hadoop l\u00e0 g\u00ec?<\/em><\/figcaption><\/figure><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Muc_dich_su_dung_cua_Hadoop_la_gi\"><\/span><strong>M\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng c\u1ee7a Hadoop l\u00e0 g\u00ec?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li>M\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng c\u1ee7a Hadoop l\u00e0 g\u00ec? N\u00f3 \u0111\u01b0\u1ee3c d\u00f9ng trong m\u1ee5c \u0111\u00edch l\u00e0m vi\u1ec7c v\u00e0 gi\u1ea3i quy\u1ebft kh\u1ed1i l\u01b0\u1ee3ng d\u1eef li\u1ec7u kh\u1ed5ng l\u1ed3 t\u00ednh b\u1eb1ng Petabyte.<\/li><li>X\u1eed l\u00fd d\u1eef li\u1ec7u l\u1edbn \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef \u1edf nhi\u1ec1u ph\u1ea7n c\u1ee9ng kh\u00e1c nhau, m\u1ee5c \u0111\u00edch y\u00eau c\u1ea7u x\u1eed l\u00fd \u0111\u1ed3ng b\u1ed9 ho\u1eb7c d\u00f9ng x\u1eed l\u00fd trong m\u00f4i tr\u01b0\u1eddng ph\u00e2n t\u00e1n.<\/li><li>Gi\u1ea3i quy\u1ebft m\u1ed9t s\u1ed1 l\u1ed7i xu\u1ea5t hi\u1ec7n th\u01b0\u1eddng xuy\u00ean.<\/li><li>D\u00f9ng \u0111\u1ec3 b\u1eb1ng th\u00f4ng gi\u1eefa c\u00e1c ph\u1ea7n c\u1ee9ng v\u1eadt l\u00fd l\u01b0u tr\u1eef c\u00e1c d\u1eef li\u1ec7u ph\u00e2n t\u00e1n c\u00f3 gi\u1edbi h\u1ea1n.<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Tim_hieu_ve_HDFS\"><\/span><strong>T\u00ecm hi\u1ec3u v\u1ec1 HDFS<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Ch\u1eafc h\u1eb3n b\u1ea1n \u0111\u00e3 t\u1eebng nghe r\u1ea5t nhi\u1ec1u v\u1ec1 kh\u00e1i ni\u1ec7m HDFS n\u1ebfu l\u00e0m vi\u1ec7c trong ng\u00e0nh IT ho\u1eb7c li\u00ean quan \u0111\u1ebfn ng\u00e0nh. Th\u1ebf nh\u01b0ng b\u1ea1n hi\u1ec3u \u0111\u01b0\u1ee3c bao nhi\u00eau v\u1ec1 HDFS. N\u1ebfu b\u1ea1n c\u0169ng \u0111ang g\u00e0 m\u1edd trong kh\u00e1i ni\u1ec7m n\u00e0y v\u1eady th\u00ec c\u00f9ng ch\u00fang m\u00ecnh \u0111i t\u00ecm hi\u1ec3u chi ti\u1ebft v\u1ec1 HDFS nh\u00e9!<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"HDFS_la_gi\"><\/span><strong>HDFS l\u00e0 g\u00ec?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>HDFS hay c\u00f2n g\u1ecdi l\u00e0 Hadoop Distributed File System. \u0110\u00e2y l\u00e0&nbsp; m\u1ed9t h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng b\u1edfi Hadoop. V\u1edbi ch\u1ee9c n\u0103ng l\u00e0 cung c\u1ea5p kh\u1ea3 n\u0103ng truy c\u1eadp v\u1edbi hi\u1ec7u su\u1ea5t cao \u0111\u1ebfn to\u00e0n b\u1ed9 d\u1eef li\u1ec7u n\u1eb1m tr\u00ean c\u00e1c c\u1ee5m c\u1ee7a Hadoop.&nbsp;<\/p>\n\n\n\n<p>HDFS ra \u0111\u1eddi v\u1edbi m\u1ee5c \u0111\u00edch ph\u00e2n chia d\u1eef li\u1ec7u ra c\u00e1c \u1ed5 c\u1ee9ng tr\u00ean nhi\u1ec1u m\u00e1y t\u00ednh trong tr\u01b0\u1eddng h\u1ee3p d\u1eef li\u1ec7u l\u1edbn d\u1ea7n v\u00e0 k\u00edch th\u01b0\u1edbc c\u1ee7a file d\u1eef li\u1ec7u v\u01b0\u1ee3t ra ngo\u00e0i ph\u1ea1m v\u1ecb l\u01b0u tr\u1eef.<\/p>\n\n\n\n<p>HDFS th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng tr\u00ean nh\u1eefng lo\u1ea1i ph\u1ea7n c\u1ee9ng v\u1edbi chi ph\u00ed v\u1eeba ph\u1ea3i, l\u00fd do l\u00e0 v\u00ec c\u00e1c m\u00e1y ch\u1ee7 r\u1ea5t hay x\u1ea3y ra tr\u01b0\u1eddng h\u1ee3p b\u1ecb l\u1ed7i ph\u1ea7n c\u1ee9ng. HDFS \u0111\u01b0\u1ee3c l\u1eadp tr\u00ecnh cho m\u1ee5c \u0111\u00edch ch\u1ecbu l\u1ed7i cao, t\u1eeb \u0111\u00e2y gi\u00fap gi\u1ea3m thi\u1ec3u \u0111i qu\u00e1 tr\u00ecnh ph\u00e1t sinh l\u1ed7i.&nbsp;<\/p>\n\n\n\n<p>HDFS s\u1ebd sinh ra c\u00e1c m\u1ea3nh nh\u1ecf h\u01a1n c\u1ee7a d\u1eef li\u1ec7u l\u1edbn r\u1ed3i m\u1edbi b\u1eaft \u0111\u1ea7u th\u1ef1c hi\u1ec7n ph\u00e2n t\u00e1n ch\u00fang l\u00ean c\u00e1c nodes kh\u00e1c nhau. V\u00e0 mi\u1ebfng d\u1eef li\u1ec7u nh\u1ecf h\u01a1n \u0111\u01b0\u1ee3c sao ch\u00e9p tr\u00ean nhi\u1ec1u nodes kh\u00e1c.<\/p>\n\n\n\n<p>Ch\u00ednh v\u00ec th\u1ebf, ngay khi node b\u1ea5t k\u1ef3 ch\u1ee9a d\u1eef li\u1ec7u c\u00f3 hi\u1ec7n t\u01b0\u1ee3ng b\u1ecb l\u1ed7i th\u00ec ngay l\u1eadp t\u1ee9c h\u1ec7 th\u1ed1ng s\u1ebd t\u1ef1 \u0111\u1ed9ng s\u1ebd t\u1ef1 \u0111\u1ed9ng s\u1eed d\u1ee5ng d\u1eef li\u1ec7u t\u1eeb 1 node kh\u00e1c \u0111\u1ec3 b\u1eaft \u0111\u1ea7u x\u1eed l\u00fd.<\/p>\n\n\n\n<p>\u0110\u00e2y l\u00e0 m\u1ed9t t\u00ednh n\u0103ng l\u00e0m n\u00ean s\u1ef1 kh\u00e1c bi\u1ec7t c\u1ee7a HDFS.<\/p>\n\n\n\n<p>>>>Xem th\u00eam: <a href=\"https:\/\/topviecit.vn\/blog\/ngon-ngu-lap-trinh-big-data\/\">Ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh Big Data. Nh\u1eefng k\u1ef9 n\u0103ng c\u1ea7n c\u00f3 c\u1ee7a big data developer<\/a><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Uu_diem_noi_bat_cua_HDFS\"><\/span><strong>\u01afu \u0111i\u1ec3m n\u1ed5i b\u1eadt c\u1ee7a HDFS<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>C\u00f3 th\u1ec3 n\u00f3i \u1edf th\u1eddi \u0111i\u1ec3m hi\u1ec7n t\u1ea1i HDFS l\u00e0 m\u1ed9t trong nh\u1eefng h\u1ec7 th\u1ed1ng \u0111\u01b0\u1ee3c c\u00e1c l\u1eadp tr\u00ecnh vi\u00ean s\u1eed d\u1ee5ng th\u01b0\u1eddng xuy\u00ean v\u00e0 r\u1ed9ng r\u00e3i. \u0110\u00f3 l\u00e0 nh\u1edd nh\u1eefng \u01b0u \u0111i\u1ec3m tuy\u1ec7t v\u1eddi m\u00e0 n\u00f3 \u0111em l\u1ea1i:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Nh\u1edd HDFS m\u00e0 d\u1eef li\u1ec7u c\u00f3 th\u1ec3 ph\u00e2n t\u00e1n. C\u1ee5 th\u1ec3, m\u1ed9t c\u1ee5m Hadoop g\u1ed3m c\u00f3 20 m\u00e1y t\u00ednh, khi b\u1ea1n \u0111\u01b0a m\u1ed9t file d\u1eef li\u1ec7u v\u00e0o HDFS. Ngay l\u1eadp t\u1ee9c, file \u0111\u00f3 s\u1ebd t\u1ef1 \u0111\u1ed9ng \u0111\u01b0\u1ee3c chia nh\u1ecf th\u00e0nh nhi\u1ec1u ph\u1ea7n v\u00e0 l\u01b0u trong 20 m\u00e1y t\u00ednh \u0111\u00f3.<\/li><li>&nbsp;HDFS c\u00f3 th\u1ec3 t\u00ednh to\u00e1n v\u00e0 ph\u00e2n t\u00e1n song song thay v\u00ec ch\u1ec9 d\u00f9ng m\u1ed9t m\u00e1y \u0111\u1ec3 x\u1eed l\u00fd c\u00f4ng vi\u1ec7c nh\u01b0 b\u00ecnh th\u01b0\u1eddng. V\u1edbi HDFS, c\u00e1c m\u00e1y s\u1ebd ho\u1ea1t \u0111\u1ed9ng song song v\u00e0 x\u1eed l\u00fd chung m\u1ed9t c\u00f4ng vi\u1ec7c gi\u00fap ti\u1ebft ki\u1ec7m th\u1eddi gian m\u1ed9t c\u00e1ch \u0111\u00e1ng k\u1ec3.<\/li><li>HDFS c\u00f3 th\u1ec3 nh\u00e2n b\u1ea3n file. Nh\u1edd \u01b0u \u0111i\u1ec3m n\u00e0y m\u00e0 ch\u00fang ta sao l\u01b0u to\u00e0n b\u1ed9 d\u1eef li\u1ec7u khi kh\u00f4ng may m\u1ed9t m\u00e1y t\u00ednh trong c\u1ee5m Hadoop b\u1ecb ph\u00e1t sinh s\u1ef1 c\u1ed1 m\u1ea5t file.<\/li><li>HDFS ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 m\u1edf r\u1ed9ng theo chi\u1ec1u d\u1ecdc.<\/li><li>HDFS c\u00f2n c\u00f3 th\u1ec3 m\u1edf r\u1ed9ng h\u1ec7 th\u1ed1ng theo chi\u1ec1u ngang. Nh\u1edd v\u1eady m\u00e0 ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng c\u1ea7n t\u1ed1n ti\u1ec1n n\u00e2ng c\u1ea5p ph\u1ea7n c\u1ee9ng m\u00e0 ch\u1ec9 c\u1ea7n s\u1eed d\u1ee5ng m\u1ed9t chi\u1ebfc m\u00e1y t\u00ednh kh\u00e1c l\u00e0 ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 chia s\u1ebb v\u1edbi m\u00e1y t\u00ednh hi\u1ec7n t\u1ea1i.<\/li><\/ul>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"500\" src=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/image-37.png\" alt=\"HDFS c\u00f3 th\u1ec3 nh\u00e2n b\u1ea3n file\" class=\"wp-image-1682\" srcset=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/image-37.png 800w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/image-37-640x400.png 640w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/image-37-768x480.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption><em>HDFS c\u00f3 th\u1ec3 nh\u00e2n b\u1ea3n file<\/em><\/figcaption><\/figure><\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"HDFS_giup_giai_quyet_nhung_van_de_nao\"><\/span><strong>HDFS gi\u00fap gi\u1ea3i quy\u1ebft nh\u1eefng v\u1ea5n \u0111\u1ec1 n\u00e0o?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>HDFS gi\u00fap gi\u1ea3i quy\u1ebft gi\u1ea3i quy\u1ebft 3 l\u1ed7i sau m\u1ed9t c\u00e1ch tri\u1ec7t \u0111\u1ec3:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>L\u1ed7i ph\u1ea7n c\u1ee9ng th\u01b0\u1eddng xuy\u00ean<\/li><\/ul>\n\n\n\n<p>Khi HDFS t\u00edch h\u1ee3p v\u1edbi h\u1ec7 th\u1ed1ng gi\u00fap ph\u00e1t hi\u1ec7n v\u00e0 t\u1ef1 \u0111\u1ed9ng kh\u00f4i ph\u1ee5c m\u1ed9t s\u1ed1 l\u1ed7i th\u01b0\u1eddng xuy\u00ean c\u1ee7a ph\u1ea7n c\u1ee9ng. Nh\u1edd v\u1eady b\u1ea1n c\u00f3 th\u1ec3 gi\u1ea3m r\u1ee7i ro xu\u1ed1ng m\u1ed9t m\u1ee9c th\u1ea5p nh\u1ea5t c\u00f3 th\u1ec3.<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Ph\u00e2n chia d\u1eef li\u1ec7u l\u1edbn th\u00e0nh t\u1eadp d\u1eef li\u1ec7u c\u00f3 dung l\u01b0\u1ee3ng nh\u1ecf h\u01a1n<\/li><\/ul>\n\n\n\n<p>HDFS \u0111\u00f3ng vai tr\u00f2 ph\u00e2n chia nh\u1eefng t\u1eadp d\u1eef li\u1ec7u h\u00e0ng tr\u0103m Terabyte th\u00e0nh nh\u1eefng t\u1eadp d\u1eef li\u1ec7u c\u00f3 dung l\u01b0\u1ee3ng th\u1ea5p h\u01a1n. Nh\u1edd vi\u1ec7c ph\u00e2n chia \u0111\u01b0\u1ee3c di\u1ec5n ra tr\u00ean h\u1ec7 th\u1ed1ng m\u00e1y t\u00ednh m\u00e0 c\u00e1c Developer c\u00f3 th\u1ec3 qu\u1ea3n l\u00fd d\u1ec5 h\u01a1n, t\u1eeb \u0111\u00f3 gi\u1ea3m thi\u1ec3u \u0111\u01b0\u1ee3c th\u1eddi gian truy xu\u1ea5t d\u1eef li\u1ec7u v\u00e0 \u0111\u01a1n gi\u1ea3n h\u00f3a qu\u00e1 tr\u00ecnh qu\u1ea3n l\u00fd.<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>D\u00f9ng chuy\u00ean bi\u1ec7t cho c\u00e1c \u1ee9ng d\u1ee5ng x\u1eed l\u00fd d\u1ea1ng kh\u1ed1i<\/li><\/ul>\n\n\n\n<p>B\u1ea1n bi\u1ebft \u0111\u1ea5y to\u00e0n b\u1ed9 c\u00e1c file khi \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh tr\u00ean h\u1ec7 th\u1ed1ng HDFS \u0111\u1ec1u c\u00f3 chung m\u1ed9t \u0111\u1eb7c \u0111i\u1ec3m l\u00e0 \u0111\u1ec1u \u0111\u01b0\u1ee3c ghi, \u0111\u00f3ng l\u1ea1i v\u00e0 kh\u00f4ng th\u1ec3 ch\u1ec9nh s\u1eeda \u0111\u01b0\u1ee3c, nh\u1edd v\u1eady m\u00e0 t\u00ednh b\u1ea3o m\u1eadt v\u00e0 nh\u1ea5t qu\u00e1n cho c\u00e1c t\u1eadp tin c\u1ee7a d\u1eef li\u1ec7u r\u1ea5t cao.<\/p>\n\n\n\n<p>>>>Xem th\u00eam: <a href=\"https:\/\/topviecit.vn\/blog\/json-la-gi\/\">Json L\u00e0 G\u00ec? Nh\u1eefng \u0110i\u1ec1u D\u00e2n L\u1eadp Tr\u00ecnh C\u1ea7n Bi\u1ebft V\u1ec1 JSON<\/a><\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"500\" src=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/image-38.png\" alt=\"Ph\u00e2n chia nh\u1eefng t\u1eadp d\u1eef li\u1ec7u h\u00e0ng tr\u0103m Terabyte\" class=\"wp-image-1683\" srcset=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/image-38.png 800w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/image-38-640x400.png 640w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/image-38-768x480.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption><em>Ph\u00e2n chia nh\u1eefng t\u1eadp d\u1eef li\u1ec7u h\u00e0ng tr\u0103m Terabyte<\/em><\/figcaption><\/figure><\/div>\n\n\n\n<p>Tr\u00ean \u0111\u00e2y l\u00e0 to\u00e0n b\u1ed9 nh\u1eefng ki\u1ebfn th\u1ee9c v\u1ec1 HDFS v\u00e0 ch\u1eafc h\u1eb3n \u0111\u1ebfn \u0111\u00e2y b\u1ea1n c\u0169ng \u0111\u00e3 bi\u1ebft \u0111\u01b0\u1ee3c kh\u00e1i ni\u1ec7m <strong>Hadoop l\u00e0 g\u00ec<\/strong> r\u1ed3i ph\u1ea3i kh\u00f4ng n\u00e0o? \u0110\u1eebng qu\u00ean theo d\u00f5i ch\u00fang m\u00ecnh \u0111\u1ec3 bi\u1ebft th\u00eam nhi\u1ec1u th\u00f4ng tin b\u1ed5 \u00edch v\u00e0 th\u00fa v\u1ecb kh\u00e1c nh\u00e9!<\/p>\n\n\n\n<p class=\"has-text-align-right\"><em>H\u00ecnh \u1ea3nh: S\u01b0u t\u1ea7m<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>N\u1ebfu l\u00e0 m\u1ed9t d\u00e2n c\u00f4ng ngh\u1ec7 th\u1ef1c th\u1ee5, b\u1ea1n s\u1ebd ch\u1eb3ng th\u1ec3 n\u00e0o kh\u00f4ng bi\u1ebft \u0111\u1ebfn kh\u00e1i ni\u1ec7m Hadoop l\u00e0 g\u00ec ph\u1ea3i kh\u00f4ng n\u00e0o? Trong b\u00e0i vi\u1ebft ng\u00e0y h\u00f4m nay topviecit.vn c\u00f9ng \u0111i t\u00ecm hi\u1ec3u chi ti\u1ebft v\u1ec1 HDFS nh\u00e9! Hadoop l\u00e0 g\u00ec? Hadoop l\u00e0 g\u00ec? Hadoop \u0111\u01b0\u1ee3c hi\u1ec3u l\u00e0 m\u1ed9t d\u1ea1ng framework, m\u00e0 c\u1ee5 [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":1684,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"cybocfi_hide_featured_image":"","footnotes":""},"categories":[86],"tags":[405],"class_list":["post-1680","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-chia-se-kinh-nghiem","tag-hadoop-la-gi"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Hadoop L\u00e0 G\u00ec? T\u00ecm Hi\u1ec3u Chi Ti\u1ebft V\u1ec1 HDFS<\/title>\n<meta name=\"description\" content=\"Hadoop l\u00e0 g\u00ec? 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