{"id":6707,"date":"2024-10-10T12:01:08","date_gmt":"2024-10-10T05:01:08","guid":{"rendered":"https:\/\/longvan.net\/cong-dong\/?p=6707"},"modified":"2024-10-10T14:11:45","modified_gmt":"2024-10-10T07:11:45","slug":"gioi-thieu-ve-galera-cluster-va-cach-cai-dat-mysql-galera-cluster-tren-ubuntu-22-04","status":"publish","type":"post","link":"https:\/\/longvan.net\/cong-dong\/gioi-thieu-ve-galera-cluster-va-cach-cai-dat-mysql-galera-cluster-tren-ubuntu-22-04\/","title":{"rendered":"Gi\u1edbi thi\u1ec7u v\u1ec1 Galera Cluster v\u00e0 c\u00e1ch c\u00e0i \u0111\u1eb7t MySQL Galera Cluster tr\u00ean Ubuntu 22.04"},"content":{"rendered":"<p>Galera Cluster l\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p \u0111\u1ed3ng b\u1ed9 h\u00f3a d\u1eef li\u1ec7u m\u1ea1nh m\u1ebd d\u00e0nh cho MySQL, gi\u00fap t\u1ea1o ra m\u1ed9t h\u1ec7 th\u1ed1ng MySQL ph\u00e2n t\u00e1n v\u1edbi t\u00ednh nh\u1ea5t qu\u00e1n cao gi\u1eefa c\u00e1c node trong cluster. Galera Cluster \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn trong c\u00e1c m\u00f4i tr\u01b0\u1eddng y\u00eau c\u1ea7u t\u00ednh s\u1eb5n s\u00e0ng cao, cho ph\u00e9p qu\u1ea3n l\u00fd nhi\u1ec1u node c\u00f9ng l\u00fac m\u00e0 v\u1eabn \u0111\u1ea3m b\u1ea3o t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a d\u1eef li\u1ec7u. <br>Trong b\u00e0i vi\u1ebft n\u00e0y Long V\u00e2n s\u1ebd gi\u1edbi thi\u1ec7u v\u00e0 h\u01b0\u1edbng d\u1eabn c\u00e1c b\u01b0\u1edbc \u0111\u1ec3 c\u00e0i \u0111\u1eb7t c\u1ea5u h\u00ecnh Galera Cluster cho MySQL, bao g\u1ed3m:<\/p>\n<ul>\n<li>Gi\u1edbi thi\u1ec7u v\u1ec1 Galera Cluster.<\/li>\n<li>S\u1ef1 kh\u00e1c nhau gi\u1eefa Galera Cluster v\u00e0 m\u00f4 h\u00ecnh Replication th\u01b0\u1eddng.<\/li>\n<li>H\u01b0\u1edbng d\u1eabn c\u00e0i \u0111\u1eb7t Galera Cluster.<\/li>\n<li>Th\u00eam node Slave<\/li>\n<\/ul>\n<h4><strong>I. Gi\u1edbi thi\u1ec7u MySQL Galera Cluster<\/strong><\/h4>\n<p>MySQL Galera Cluster l\u00e0 m\u1ed9t h\u1ec7 th\u1ed1ng Multi-Master m\u00e0 tr\u00ean \u0111\u00f3 t\u1ea5t c\u1ea3 node \u0111\u1ec1u c\u00f3 th\u1ec3 \u0111\u1ecdc v\u00e0 ghi d\u1eef li\u1ec7u t\u1ea1i m\u1ecdi th\u1eddi \u0111i\u1ec3m. Client c\u00f3 th\u1ec3 k\u1ebft n\u1ed1i t\u1edbi m\u1ecdi node, d\u1eef li\u1ec7u s\u1ebd \u0111\u01b0\u1ee3c t\u1ef1 \u0111\u1ed9ng \u0111\u1ed3ng b\u1ed9 gi\u1eefa c\u00e1c node, \u0111\u1ed3ng th\u1eddi s\u1ebd \u0111\u1ed3ng b\u1ed9 sang node m\u1edbi khi m\u1edbi \u0111\u01b0\u1ee3c th\u00eam v\u00e0o Cluster.<\/p>\n<p>M\u1ed9t c\u1ee5m Galera c\u1ea7n c\u00f3 \u00edt nh\u1ea5t 3 node v\u00e0 \u01b0u ti\u00ean ch\u1ea1y v\u1edbi s\u1ed1 l\u01b0\u1ee3ng node l\u1ebb \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh to\u00e0n v\u1eb9n khi x\u1ea3y ra s\u1ef1 c\u1ed1 v\u1edbi m\u1ed9t trong c\u00e1c node.<\/p>\n<h4><strong>II .S\u1ef1 kh\u00e1c nhau gi\u1eefa Galera Cluster v\u1edbi m\u00f4 h\u00ecnh Mysql Replicate th\u01b0\u1eddng.<\/strong><\/h4>\n<ol>\n<li>S\u01a1 \u0111\u1ed3 minh h\u1ecda&nbsp;<br><img decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/severalnines.com\/wp-content\/uploads\/2022\/05\/1-galera-wp.png\"><\/li>\n<li>S\u1ef1 kh\u00e1c nhau\n<ul>\n<li>MySQL Replication (H\u00ecnh b\u00ean tr\u00e1i)\n<ul>\n<li>M\u00f4 h\u00ecnh Master-Slave: D\u1eef li\u1ec7u t\u1eeb m\u00e1y ch\u1ee7 ch\u00ednh (Master) s\u1ebd \u0111\u01b0\u1ee3c ghi v\u00e0o m\u1ed9t t\u1ec7p log (Binlog). Sau \u0111\u00f3, d\u1eef li\u1ec7u n\u00e0y \u0111\u01b0\u1ee3c g\u1eedi t\u1edbi m\u00e1y ch\u1ee7 ph\u1ee5 (Slave) th\u00f4ng qua c\u00e1c lu\u1ed3ng sao ch\u00e9p (IO Thread, SQL Thread).<\/li>\n<li>Ch\u1ebf \u0111\u1ed9 ghi v\u00e0 \u0111\u1ecdc:\n<ul>\n<li>Master: Cho ph\u00e9p th\u1ef1c hi\u1ec7n c\u1ea3 \u0111\u1ecdc v\u00e0 ghi d\u1eef li\u1ec7u.<\/li>\n<li>Slave: Ch\u1ec9 cho ph\u00e9p \u0111\u1ecdc d\u1eef li\u1ec7u (kh\u00f4ng ghi).<\/li>\n<\/ul>\n<\/li>\n<li>Nh\u01b0\u1ee3c \u0111i\u1ec3m ch\u00ednh c\u1ee7a m\u00f4 h\u00ecnh n\u00e0y l\u00e0 c\u00f3 \u0111\u1ed9 tr\u1ec5 trong vi\u1ec7c sao ch\u00e9p d\u1eef li\u1ec7u v\u00e0 ch\u1ec9 c\u00f3 m\u1ed9t m\u00e1y ch\u1ee7 ch\u00ednh (Master) th\u1ef1c hi\u1ec7n c\u00e1c t\u00e1c v\u1ee5 ghi. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng ngh\u1ebdn c\u1ed5 chai n\u1ebfu c\u00f3 qu\u00e1 nhi\u1ec1u y\u00eau c\u1ea7u ghi v\u00e0o Master.<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>Galera Cluster (H\u00ecnh b\u00ean ph\u1ea3i)<\/p>\n<ul>\n<li>M\u00f4 h\u00ecnh Multi-Master: M\u1ed7i node trong c\u1ee5m Galera \u0111\u1ec1u c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n c\u1ea3 \u0111\u1ecdc v\u00e0 ghi d\u1eef li\u1ec7u. C\u00e1c giao d\u1ecbch sau khi \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n s\u1ebd \u0111\u01b0\u1ee3c \u0111\u1ed3ng b\u1ed9 h\u00f3a t\u1ee9c th\u1eddi gi\u1eefa c\u00e1c node b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng API <em>wsrep<\/em> v\u00e0 c\u01a1 ch\u1ebf giao ti\u1ebfp nh\u00f3m (group communication).<\/li>\n<li>Ch\u1ebf \u0111\u1ed9 ghi v\u00e0 \u0111\u1ecdc:\n<ul>\n<li>T\u1ea5t c\u1ea3 c\u00e1c node \u0111\u1ec1u c\u00f3 kh\u1ea3 n\u0103ng \u0111\u1ecdc\/ghi (read\/write).<\/li>\n<\/ul>\n<\/li>\n<li>Galera s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ed3ng b\u1ed9 d\u1eef li\u1ec7u \u0111\u1ed3ng th\u1eddi tr\u00ean t\u1ea5t c\u1ea3 c\u00e1c node, gi\u00fap lo\u1ea1i b\u1ecf \u0111\u1ed9 tr\u1ec5 v\u00e0 cho ph\u00e9p ghi v\u00e0o b\u1ea5t k\u1ef3 node n\u00e0o m\u00e0 kh\u00f4ng lo xung \u0111\u1ed9t ho\u1eb7c m\u1ea5t d\u1eef li\u1ec7u. M\u00f4 h\u00ecnh n\u00e0y \u0111\u1ea3m b\u1ea3o t\u00ednh nh\u1ea5t qu\u00e1n cao h\u01a1n so v\u1edbi MySQL Replication.<\/li>\n<\/ul>\n<\/li>\n<li>T\u00f3m l\u1ea1i\n<ul>\n<li>MySQL Replication ch\u1ec9 c\u00f3 m\u1ed9t m\u00e1y ch\u1ee7 ch\u00ednh (Master) th\u1ef1c hi\u1ec7n c\u00e1c t\u00e1c v\u1ee5 ghi v\u00e0 c\u00f3 \u0111\u1ed9 tr\u1ec5 khi sao ch\u00e9p d\u1eef li\u1ec7u sang m\u00e1y ch\u1ee7 ph\u1ee5 (Slave).<\/li>\n<li>Galera Cluster cho ph\u00e9p m\u1ecdi node \u0111\u1ec1u c\u00f3 th\u1ec3 ghi v\u00e0 d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c \u0111\u1ed3ng b\u1ed9 h\u00f3a \u0111\u1ed3ng th\u1eddi, gi\u00fap gi\u1ea3m thi\u1ec3u c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 xung \u0111\u1ed9t v\u00e0 \u0111\u1ed9 tr\u1ec5.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h4><strong>III. H\u01b0\u1edbng d\u1eabn c\u00e0i \u0111\u1eb7t Mysql Galera Cluster<\/strong><\/h4>\n<ol>\n<li>Chu\u1ea9n b\u1ecb:\n<ul>\n<li>\u1ede b\u00e0i vi\u1ebft n\u00e0y Long V\u00e2n s\u1ebd s\u1eed d\u1ee5ng 4 VPS \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t s\u1eb5n Os Ubuntu 22.04. Trong \u0111\u00f3<br><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-6866 aligncenter\" src=\"https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/lvs-galera-cluster-04-01.png\" alt=\"\" width=\"370\" height=\"389\" srcset=\"https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/lvs-galera-cluster-04-01.png 513w, https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/lvs-galera-cluster-04-01-285x300.png 285w\" sizes=\"auto, (max-width: 370px) 100vw, 370px\" \/>\n<ul>\n<li>1 server l\u00e0m Controller , c\u00e0i \u0111\u1eb7t Galera Manager\n<ul>\n<li>192.168.70.188 ( lvsnodecontroller)<\/li>\n<\/ul>\n<\/li>\n<li>3 server \u0111\u1ec3 c\u1ea5u h\u00ecnh Mysql Galera Cluster<\/li>\n<\/ul>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li>192.168.70.156 ( lvsnode1)<\/li>\n<li>192.168.70.159 ( lvsnode2)<\/li>\n<li>192.168.70.168 ( lvsnode3)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li>Ti\u1ebfn h\u00e0nh c\u00e0i \u0111\u1eb7t:\n<ul>\n<li>C\u1eadp nh\u1eadt l\u1ea1i h\u1ec7 th\u1ed1ng cho c\u1ea3 4 node\n<pre style=\"color: #313131; border-radius: 4px; padding: 0.65em 0.65em;\"><code class=\"language-shell\"><span class=\"token function\">sudo apt-get update\nsudo apt-get upgrade<\/span> <\/code><\/pre>\n<\/li>\n<li>Tr\u00ean Server Controller ( lvsnodecontroller)\n<ul>\n<li>C\u00e0i \u0111\u1eb7t tr\u00ecnh qu\u1ea3n l\u00ed Galera Manager \u0111\u1ec3 qu\u1ea3n l\u00ed c\u00e1c lvsnode\n<pre style=\"color: #313131; border-radius: 4px; padding: 0.65em 0.65em;\"><code class=\"language-shell\"><span class=\"token function\">wget https:\/\/galeracluster.com\/galera-manager\/gm-installer\nchmod +x gm-installer\n.\/gm-installer install<\/span> <\/code><\/pre>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-6740 aligncenter\" src=\"https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled40.png\" alt=\"\" width=\"1226\" height=\"444\" srcset=\"https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled40.png 1226w, https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled40-300x109.png 300w, https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled40-1024x371.png 1024w, https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled40-768x278.png 768w\" sizes=\"auto, (max-width: 1226px) 100vw, 1226px\" \/><\/p>\n<ul>\n<li>Ch\u1ecdn a \u0111\u1ec3 accept c\u00e0i \u0111\u1eb7t .<\/li>\n<li>\u0110i\u1ec1n th\u00f4ng tin user admin v\u00e0 password (c\u1ea7n \u0111\u1eb7t password \u1edf b\u01b0\u1edbc n\u00e0y sau \u0111\u00f3 m\u1edbi \u0111\u1ed5i password \u0111\u1ec3 tr\u00e1nh kh\u00f4ng login \u0111\u01b0\u1ee3c ).<\/li>\n<li>\u0110i\u1ec1n th\u00f4ng tin server l\u00e0m controller -&gt; nh\u1ea5n Enter&nbsp;<br><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-6741 aligncenter\" src=\"https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled41.png\" alt=\"\" width=\"1896\" height=\"767\" srcset=\"https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled41.png 1896w, https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled41-300x121.png 300w, https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled41-1024x414.png 1024w, https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled41-768x311.png 768w, https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled41-1536x621.png 1536w\" sizes=\"auto, (max-width: 1896px) 100vw, 1896px\" \/><\/li>\n<li>Ch\u1ea1y l\u1ea1i c\u1eadp nh\u1eadt h\u1ec7 th\u1ed1ng \u0111\u1ec3 apply Galera-Manager v\u1eeba kh\u1edfi&nbsp; t\u1ea1o\n<pre style=\"color: #313131; border-radius: 4px; padding: 0.65em 0.65em;\"><code class=\"language-shell\"><span class=\"token function\">sudo apt-get update\nsudo apt-get upgrade<\/span> <\/code><\/pre>\n<\/li>\n<li>Truy c\u1eadp tr\u00ecnh duy\u1ec7t \u0111\u1ec3 t\u1ea1o Galera Cluster v\u1edbi user v\u00e0 password \u0111\u00e3 t\u1ea1o \u1edf tr\u01b0\u1edbc \u0111\u00f3&nbsp;<br><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-6765 aligncenter\" src=\"https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled42-2.png\" alt=\"\" width=\"1185\" height=\"667\" srcset=\"https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled42-2.png 1185w, https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled42-2-300x169.png 300w, https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled42-2-1024x576.png 1024w, https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled42-2-768x432.png 768w\" sizes=\"auto, (max-width: 1185px) 100vw, 1185px\" \/><\/li>\n<li>L\u00fac n\u00e0y, qu\u1ea3n tr\u1ecb vi\u00ean c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c thao t\u00e1c tr\u00ean giao di\u1ec7n controller nh\u01b0 t\u1ea1o Cluster ho\u1eb7c th\u00eam node v\u00e0o Cluster.<img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-6743 aligncenter\" src=\"https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled43.png\" alt=\"\" width=\"1528\" height=\"868\" srcset=\"https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled43.png 1528w, https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled43-300x170.png 300w, https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled43-1024x582.png 1024w, https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled43-768x436.png 768w\" sizes=\"auto, (max-width: 1528px) 100vw, 1528px\" \/><\/li>\n<\/ul>\n<\/li>\n<li>T\u1ea1o Cluster:\n<ul>\n<li>Trong giao di\u1ec7n Galera Controller, ch\u1ecdn ADD CLUSTER -&gt; Deloy cluster on user-provided hosts<br><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-6744 aligncenter\" src=\"https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled44.png\" alt=\"\" width=\"917\" height=\"723\" srcset=\"https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled44.png 917w, https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled44-300x237.png 300w, https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled44-768x606.png 768w\" sizes=\"auto, (max-width: 917px) 100vw, 917px\" \/><\/li>\n<li>Nh\u1eadp th\u00eam th\u00f4ng tin t\u00ean Cluster v\u00e0 ch\u1ecdn c\u01a1 s\u1edf d\u1eef li\u1ec7u mu\u1ed1n s\u1eed d\u1ee5ng \u1edf \u0111\u00e2y Long V\u00e2n s\u1ebd ch\u1ea1y v\u1edbi mysql8.0. Ch\u1ecdn host system l\u00e0 h\u1ec7 \u0111i\u1ec1u h\u00e0nh \u0111ang ch\u1ea1y.<br><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-6745 aligncenter\" src=\"https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled45.png\" alt=\"\" width=\"601\" height=\"684\" srcset=\"https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled45.png 601w, https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled45-264x300.png 264w\" sizes=\"auto, (max-width: 601px) 100vw, 601px\" \/><\/li>\n<li>Click ch\u1ecdn I have added public key to \/root\/.ssh\/authorized_keys file on all nodes<br><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-6746 aligncenter\" src=\"https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled46.png\" alt=\"\" width=\"1901\" height=\"853\" srcset=\"https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled46.png 1901w, https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled46-300x135.png 300w, https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled46-1024x459.png 1024w, https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled46-768x345.png 768w, https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled46-1536x689.png 1536w\" sizes=\"auto, (max-width: 1901px) 100vw, 1901px\" \/><\/li>\n<li>Copy \u0111o\u1ea1n key tr\u00ean v\u00e0 th\u00eam v\u00e0o c\u1ea5u h\u00ecnh \/root\/.ssh\/authorized_keys c\u1ee7a c\u00e1c node c\u00f2n l\u1ea1i ( lvsnode1, lvsnode2, lvsnode3 ).<br><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-6747 aligncenter\" src=\"https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled47.png\" alt=\"\" width=\"909\" height=\"824\" srcset=\"https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled47.png 909w, https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled47-300x272.png 300w, https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled47-768x696.png 768w\" sizes=\"auto, (max-width: 909px) 100vw, 909px\" \/><\/li>\n<li>Tr\u00ean tr\u00ecnh duy\u1ec7t Galena Controller ti\u1ebfp t\u1ee5c ch\u1ecdn ADD NODE. Th\u00eam th\u00f4ng Node c\u1ea7n th\u00eam &#8211;&gt;CHECK ACCESS &#8211;&gt; DEPLOY ( \u1edf \u0111\u00e2y th\u00eam lvsnode1 node \u0111\u1ea7u ti\u00ean v\u00e0o).\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-6748 aligncenter\" src=\"https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled49.png\" alt=\"\" width=\"1328\" height=\"521\" srcset=\"https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled49.png 1328w, https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled49-300x118.png 300w, https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled49-1024x402.png 1024w, https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled49-768x301.png 768w\" sizes=\"auto, (max-width: 1328px) 100vw, 1328px\" \/><\/p>\n<\/li>\n<li>Th\u00eam ti\u1ebfp c\u00e1c node c\u00f2n l\u1ea1i lvsnode2 v\u00e0 lvsnode3 t\u01b0\u01a1ng t\u1ef1 nh\u01b0 l\u00e0m \u1edf lvsnode1.<br><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-6861 aligncenter\" src=\"https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled61.png\" alt=\"\" width=\"1671\" height=\"742\" srcset=\"https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled61.png 1671w, https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled61-300x133.png 300w, https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled61-1024x455.png 1024w, https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled61-768x341.png 768w, https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled61-1536x682.png 1536w\" sizes=\"auto, (max-width: 1671px) 100vw, 1671px\" \/><\/li>\n<li>Qu\u00e1 tr\u00ecnh th\u00eam node ho\u00e0n t\u1ea5t.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li>Ki\u1ec3m tra qu\u00e1 tr\u00ecnh \u0111\u1ed3ng b\u1ed9 gi\u1eefa c\u00e1c lvsnode tr\u00ean Cluster\n<ul>\n<li>Ki\u1ec3m tra ho\u1ea1t \u0111\u1ed9ng c\u1ee7a LongVan_Cluster v\u1eeba t\u1ea1o gi\u1eefa c\u00e1c lvsnode<img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-6750 aligncenter\" src=\"https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled51.png\" alt=\"\" width=\"661\" height=\"478\" srcset=\"https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled51.png 661w, https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled51-300x217.png 300w\" sizes=\"auto, (max-width: 661px) 100vw, 661px\" \/><\/li>\n<li>Ki\u1ec3m tra t\u00ednh \u0111\u1ed3ng b\u1ed9 d\u1eef li\u1ec7u tr\u00ean database<br><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-6751 aligncenter\" src=\"https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled52.png\" alt=\"\" width=\"1885\" height=\"848\" srcset=\"https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled52.png 1885w, https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled52-300x135.png 300w, https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled52-1024x461.png 1024w, https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled52-768x345.png 768w, https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled52-1536x691.png 1536w\" sizes=\"auto, (max-width: 1885px) 100vw, 1885px\" \/><\/li>\n<li>Ti\u1ebfn h\u00e0nh t\u1ea1o database c\u00f3 t\u00ean lvsdemo \u1edf lvsnode1 v\u00e0 ki\u1ec3m tra \u0111\u1ed3ng b\u1ed9 \u1edf lvsnode2 v\u00e0 lvsnode3 (nh\u01b0 h\u00ecnh tr\u00ean).<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p><strong>IV. Th\u00eam node Slave v\u00e0o trong Galera Cluster.<\/strong><\/p>\n<ol>\n<li>\n<p>Trong Galera Cluster, b\u1ea1n c\u00f3 th\u1ec3 k\u1ebft n\u1ed1i m\u1ed9t node kh\u00f4ng \u0111\u1ed3ng b\u1ed9 (async slave) v\u00e0o c\u1ee5m. \u0110i\u1ec1u n\u00e0y h\u1eefu \u00edch v\u00ec v\u00e0i l\u00fd do:<\/p>\n<ul>\n<li>\n<p><strong>Chuy\u1ec3n t\u1ea3i truy v\u1ea5n <\/strong>: N\u1ebfu c\u1ee5m c\u1ee7a b\u1ea1n ph\u1ea3i x\u1eed l\u00fd c\u00e1c truy v\u1ea5n&nbsp; ho\u1eb7c ph\u00e2n t\u00edch d\u00e0i v\u00e0 n\u1eb7ng, n\u00f3 c\u00f3 th\u1ec3 l\u00e0m ch\u1eadm c\u1ea3 h\u1ec7 th\u1ed1ng. B\u1eb1ng c\u00e1ch g\u1eedi c\u00e1c truy v\u1ea5n n\u00e0y \u0111\u1ebfn m\u1ed9t m\u00e1y ch\u1ee7 async slave ri\u00eang, b\u1ea1n ng\u0103n kh\u00f4ng cho t\u1ea3i n\u00e0y \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn Galera Cluster.<\/p>\n<\/li>\n<li>\n<p><strong>Sao l\u01b0u tr\u1ef1c ti\u1ebfp<\/strong>: Async slave c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u01b0 m\u1ed9t sao l\u01b0u t\u1eeb xa, gi\u00fap t\u1ea1o m\u1ed9t b\u1ea3n sao d\u1eef li\u1ec7u tr\u1ef1c ti\u1ebfp \u0111\u1ec3 kh\u00f4i ph\u1ee5c khi g\u1eb7p s\u1ef1 c\u1ed1.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>C\u00e1c b\u01b0\u1edbc th\u00eam node Async\n<ul>\n<li>Th\u00eam 1 Server&nbsp; cho qu\u00e1 tr\u00ecnh th\u00eam Node Async ( Slave )\n<ul>\n<li>192.168.70.180 ( lvsnode4 )<br><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-6867 aligncenter\" src=\"https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/lvs-galera-cluster-04-03.png\" alt=\"\" width=\"600\" height=\"401\" srcset=\"https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/lvs-galera-cluster-04-03.png 780w, https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/lvs-galera-cluster-04-03-300x200.png 300w, https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/lvs-galera-cluster-04-03-768x513.png 768w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/li>\n<\/ul>\n<\/li>\n<li>Tr\u00ean node lvsnode4\n<ul>\n<li>C\u00e0i \u0111\u1eb7t galera-4 mysql-wsrep-8.0\n<ul>\n<li>\n<p>Tr\u01b0\u1edbc ti\u00ean, c\u1ea7n \u0111\u1ea3m b\u1ea3o r\u1eb1ng kh\u00f3a Galera Cluster GPG \u0111\u00e3 \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t:<\/p>\n<pre style=\"color: #313131; border-radius: 4px; padding: 0.65em 0.65em;\"><code class=\"language-shell\"><span class=\"token function\">apt-key adv --keyserver keyserver.ubuntu.com --recv 8DA84635<\/span> <\/code><\/pre>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-6769 aligncenter\" src=\"https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled53.png\" alt=\"\" width=\"1339\" height=\"158\" srcset=\"https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled53.png 1339w, https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled53-300x35.png 300w, https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled53-1024x121.png 1024w, https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled53-768x91.png 768w\" sizes=\"auto, (max-width: 1339px) 100vw, 1339px\" \/><\/p>\n<\/li>\n<li>Th\u00eam th\u01b0 vi\u1ec7n souce list\n<pre style=\"color: #313131; border-radius: 4px; padding: 0.65em 0.65em;\"><code class=\"language-shell\"><span class=\"token function\">vi \/etc\/apt\/sources.list.d\/galera.list<\/span> <\/code><\/pre>\n<pre style=\"color: #313131; border-radius: 4px; padding: 0.65em 0.65em;\"><code class=\"language-shell\"><span class=\"token function\">deb https:\/\/releases.galeracluster.com\/galera-4.20\/ubuntu jammy main\ndeb https:\/\/releases.galeracluster.com\/mysql-wsrep-8.0.39-26.20\/ubuntu jammy main<\/span> <\/code><\/pre>\n<\/li>\n<li>Th\u00eam kho l\u01b0u tr\u1eef\n<pre style=\"color: #313131; border-radius: 4px; padding: 0.65em 0.65em;\"><code class=\"language-shell\"><span class=\"token function\">vi \/etc\/apt\/preferences.d\/galera.pref<\/span> <\/code><\/pre>\n<pre style=\"color: #313131; border-radius: 4px; padding: 0.65em 0.65em;\"><code class=\"language-shell\"><span class=\"token function\">Package: *\nPin: origin releases.galeracluster.com\nPin-Priority: 1001<\/span> <\/code><\/pre>\n<\/li>\n<li>Ch\u1ea1y l\u1ea1i update \u0111\u1ec3 c\u1eadp nh\u1eadt th\u01b0 vi\u1ec7n v\u00e0 kho l\u01b0u tr\u1eef v\u1eeba th\u00eam\n<pre style=\"color: #313131; border-radius: 4px; padding: 0.65em 0.65em;\"><code class=\"language-shell\"><span class=\"token function\">sudo apt-get update<\/span> <\/code><\/pre>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-6771 aligncenter\" src=\"https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled54.png\" alt=\"\" width=\"1891\" height=\"414\" srcset=\"https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled54.png 1891w, https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled54-300x66.png 300w, https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled54-1024x224.png 1024w, https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled54-768x168.png 768w, https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled54-1536x336.png 1536w\" sizes=\"auto, (max-width: 1891px) 100vw, 1891px\" \/><\/p>\n<\/li>\n<li>C\u00e0i \u0111\u1eb7t galera-4 mysql-wsrep-8.0\n<pre style=\"color: #313131; border-radius: 4px; padding: 0.65em 0.65em;\"><code class=\"language-shell\"><span class=\"token function\">sudo apt-get install galera-4 mysql-wsrep-8.0<\/span> <\/code><\/pre>\n<\/li>\n<li>Th\u00eam c\u1ea5u h\u00ecnh v\u00e0o file conf mysql v\u1eeba \u0111\u1eb7t\n<pre style=\"color: #313131; border-radius: 4px; padding: 0.65em 0.65em;\"><code class=\"language-shell\"><span class=\"token function\">vi \/etc\/mysql\/mysql.conf.d\/mysqld.cnf<\/span> <\/code><\/pre>\n<pre style=\"color: #313131; border-radius: 4px; padding: 0.65em 0.65em;\"><code class=\"language-shell\"><span class=\"token function\">gtid_mode=ON\nlog_bin=binlog\nlog_slave_updates=1\nenforce_gtid_consistency\nexpire_logs_days=7\nserver_id=4\nbinlog_format=ROW\nslave_net_timeout=60<\/span> <\/code><\/pre>\n<\/li>\n<li>Kh\u1edfi \u0111\u1ed9ng l\u1ea1i Mysql \u0111\u1ec3 l\u01b0u l\u1ea1i c\u1ea5u h\u00ecnh\n<pre style=\"color: #313131; border-radius: 4px; padding: 0.65em 0.65em;\"><code class=\"language-shell\"><span class=\"token function\">systemctl restart mysql<\/span> <\/code><\/pre>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li>Tr\u00ean node lvsnode1\n<ul>\n<li>Th\u00eam c\u1ea5u h\u00ecnh v\u00e0o file conf mysql\n<pre style=\"color: #313131; border-radius: 4px; padding: 0.65em 0.65em;\"><code class=\"language-shell\"><span class=\"token function\">vi \/etc\/mysql\/mysql.conf.d\/mysqld.cnf<\/span> <\/code><\/pre>\n<pre style=\"color: #313131; border-radius: 4px; padding: 0.65em 0.65em;\"><code class=\"language-shell\"><span class=\"token function\">gtid_mode=ON\nlog_bin=binlog\nlog_slave_updates=1\nenforce_gtid_consistency\nexpire_logs_days=7\nserver_id=1\nbinlog_format=ROW<\/span> <\/code><\/pre>\n<\/li>\n<li>Kh\u1edfi \u0111\u1ed9ng l\u1ea1i Mysql \u0111\u1ec3 l\u01b0u l\u1ea1i c\u1ea5u h\u00ecnh\n<pre style=\"color: #313131; border-radius: 4px; padding: 0.65em 0.65em;\"><code class=\"language-shell\"><span class=\"token function\">systemctl restart mysql<\/span> <\/code><\/pre>\n<\/li>\n<li>T\u1ea1o user replica cho node lvsnode4\n<pre style=\"color: #313131; border-radius: 4px; padding: 0.65em 0.65em;\"><code class=\"language-shell\"><span class=\"token function\">mysql\nCREATE USER 'replica'@'192.168.70.180' IDENTIFIED WITH 'mysql_native_password' BY 'P@ssw0rd321';\nGRANT REPLICATION SLAVE ON *.* TO 'replica'@'192.168.70.180';\nFLUSH PRIVILEGES;\nexit<\/span> <\/code><\/pre>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-6772 aligncenter\" src=\"https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled55.png\" alt=\"\" width=\"1085\" height=\"621\" srcset=\"https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled55.png 1085w, https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled55-300x172.png 300w, https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled55-1024x586.png 1024w, https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled55-768x440.png 768w\" sizes=\"auto, (max-width: 1085px) 100vw, 1085px\" \/><\/p>\n<\/li>\n<li>Tr\u00ean node lvsnode4\n<ul>\n<li>C\u1ea5u h\u00ecnh replicate v\u1edbi user v\u1eeba t\u1ea1o \u1edf node lvsnode1\n<pre style=\"color: #313131; border-radius: 4px; padding: 0.65em 0.65em;\"><code class=\"language-shell\"><span class=\"token function\">mysql\nCHANGE MASTER TO MASTER_HOST = '192.168.70.156', MASTER_PORT = 3306, MASTER_USER = 'replica', MASTER_PASSWORD = 'P@ssw0rd321', MASTER_AUTO_POSITION = 1;\nSTART SLAVE;\nSHOW SLAVE STATUS\\G;<\/span> <\/code><\/pre>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-6774 aligncenter\" src=\"https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled56-1.png\" alt=\"\" width=\"1885\" height=\"760\" srcset=\"https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled56-1.png 1885w, https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled56-1-300x121.png 300w, https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled56-1-1024x413.png 1024w, https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled56-1-768x310.png 768w, https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled56-1-1536x619.png 1536w\" sizes=\"auto, (max-width: 1885px) 100vw, 1885px\" \/><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>Ki\u1ec3m tra \u0111\u1ed3ng b\u1ed9 gi\u1eefa server Master ( lvsnode1) v\u00e0 server Slave ( lvsnode4 ).\n<ul>\n<li>\u0110\u1ee9ng t\u1eeb server Master (lvsnode1) t\u1ea1o database v\u1edbi t\u00ean lvsdemo1&nbsp; \u0111\u1ec3 xem qu\u00e1 tr\u00ecnh \u0111\u1ed3ng b\u1ed9 t\u1eeb Master (lvsnode1) xu\u1ed1ng Slave (lvsnode4).<br><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-6776 aligncenter\" src=\"https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled57.png\" alt=\"\" width=\"1516\" height=\"744\" srcset=\"https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled57.png 1516w, https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled57-300x147.png 300w, https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled57-1024x503.png 1024w, https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled57-768x377.png 768w\" sizes=\"auto, (max-width: 1516px) 100vw, 1516px\" \/><\/li>\n<li>Ng\u01b0\u1ee3c l\u1ea1i t\u1eeb server Slave (lvsnode4) t\u1ea1o database v\u1edbi t\u00ean lvsdemo2&nbsp; \u0111\u1ec3 xem qu\u00e1 tr\u00ecnh c\u00f3 \u0111\u1ed3ng b\u1ed9 ng\u01b0\u1ee3c t\u1eeb Slave ( lvsnode4 ) v\u1ec1 Master ( lvsnode1).<br><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-6777 aligncenter\" src=\"https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled58.png\" alt=\"\" width=\"1486\" height=\"507\" srcset=\"https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled58.png 1486w, https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled58-300x102.png 300w, https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled58-1024x349.png 1024w, https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2024\/10\/Untitled58-768x262.png 768w\" sizes=\"auto, (max-width: 1486px) 100vw, 1486px\" \/><\/li>\n<li>K\u1ebft qu\u1ea3 cho th\u1ea5y d\u1eef li\u1ec7u ph\u00e1t sinh tr\u00ean server Slave s\u1ebd kh\u00f4ng \u0111\u1ed3ng b\u1ed9 ng\u01b0\u1ee3c l\u1ea1i.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p><strong>&nbsp;<\/strong><\/p>\n<p>Nh\u01b0 v\u1eady qua b\u00e0i vi\u1ebft n\u00e0y Long V\u00e2n \u0111\u00e3 gi\u00fap c\u00e1c b\u1ea1n t\u00ecm hi\u1ec3u s\u01a1 l\u01b0\u1ee3c v\u1ec1 Galera Cluster c\u0169ng nh\u01b0 c\u00e1ch c\u00e0i \u0111\u1eb7t Mysql Galera Cluster v\u1edbi c\u1ea5u h\u00ecnh 3 node tr\u00ean Galera-Manager l\u00e0 nh\u01b0 th\u1ebf n\u00e0o. Ch\u00fac c\u00e1c b\u1ea1n th\u00e0nh c\u00f4ng .<\/p>\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Galera Cluster l\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p \u0111\u1ed3ng b\u1ed9 h\u00f3a d\u1eef li\u1ec7u m\u1ea1nh m\u1ebd d\u00e0nh cho MySQL, gi\u00fap t\u1ea1o ra m\u1ed9t h\u1ec7 th\u1ed1ng MySQL ph\u00e2n t\u00e1n v\u1edbi t\u00ednh nh\u1ea5t qu\u00e1n cao gi\u1eefa c\u00e1c node trong cluster. Galera Cluster \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn trong c\u00e1c m\u00f4i tr\u01b0\u1eddng y\u00eau c\u1ea7u t\u00ednh s\u1eb5n s\u00e0ng cao, cho ph\u00e9p qu\u1ea3n [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_oasis_is_in_workflow":0,"_oasis_original":0,"footnotes":""},"categories":[40],"tags":[372,373,5,279,374,150,148],"class_list":["post-6707","post","type-post","status-publish","format-standard","hentry","category-web-hosting","tag-cluster","tag-galera","tag-linux","tag-mariadb","tag-multi-master","tag-mysql","tag-ubuntu"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Gi\u1edbi thi\u1ec7u v\u1ec1 Galera Cluster v\u00e0 c\u00e1ch c\u00e0i \u0111\u1eb7t MySQL Galera Cluster tr\u00ean Ubuntu 22.04 - Long V\u00e2n<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/longvan.net\/cong-dong\/gioi-thieu-ve-galera-cluster-va-cach-cai-dat-mysql-galera-cluster-tren-ubuntu-22-04\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Gi\u1edbi thi\u1ec7u v\u1ec1 Galera Cluster v\u00e0 c\u00e1ch c\u00e0i \u0111\u1eb7t MySQL Galera Cluster tr\u00ean Ubuntu 22.04 - Long V\u00e2n\" \/>\n<meta property=\"og:description\" content=\"Galera Cluster l\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p \u0111\u1ed3ng b\u1ed9 h\u00f3a d\u1eef li\u1ec7u m\u1ea1nh m\u1ebd d\u00e0nh cho MySQL, gi\u00fap t\u1ea1o ra m\u1ed9t h\u1ec7 th\u1ed1ng MySQL ph\u00e2n t\u00e1n v\u1edbi t\u00ednh nh\u1ea5t qu\u00e1n cao gi\u1eefa c\u00e1c node trong cluster. 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