{"id":611,"date":"2018-02-09T10:05:58","date_gmt":"2018-02-09T02:05:58","guid":{"rendered":"https:\/\/blog.jsjs.org\/?p=611"},"modified":"2018-02-09T10:05:58","modified_gmt":"2018-02-09T02:05:58","slug":"mariadb-galera-cluster-%e9%83%a8%e7%bd%b2","status":"publish","type":"post","link":"https:\/\/blog.jsjs.org\/?p=611","title":{"rendered":"MariaDB Galera Cluster \u90e8\u7f72"},"content":{"rendered":"<section>\n<h2 class=\"subtitle\">\u5982\u4f55\u5feb\u901f\u90e8\u7f72MariaDB\u96c6\u7fa4<\/h2>\n<div class=\"meta\">\n<address>\u9648\u4eae<\/address>\n<p>\u2014 <time title=\"July 02, 2015\" datetime=\"2015-02-July\">July 02, 2015<\/time><\/div>\n<p>&nbsp;<\/p>\n<p>MariaDB\u4f5c\u4e3aMysql\u7684\u4e00\u4e2a\u5206\u652f\uff0c\u5728\u5f00\u6e90\u9879\u76ee\u4e2d\u5df2\u7ecf\u5e7f\u6cdb\u4f7f\u7528\uff0c\u4f8b\u5982\u5927\u70ed\u7684openstack\uff0c\u6240\u4ee5\uff0c\u4e3a\u4e86\u4fdd\u8bc1\u670d\u52a1\u7684\u9ad8\u53ef\u7528\u6027\uff0c\u540c\u65f6\u63d0\u9ad8\u7cfb\u7edf\u7684\u8d1f\u8f7d\u80fd\u529b\uff0c\u96c6\u7fa4\u90e8\u7f72\u662f\u5fc5\u4e0d\u53ef\u5c11\u7684\u3002<\/p>\n<h4>MariaDB Galera Cluster \u4ecb\u7ecd<\/h4>\n<p>MariaDB\u96c6\u7fa4\u662fMariaDB\u540c\u6b65\u591a\u4e3b\u673a\u96c6\u7fa4\u3002\u5b83\u4ec5\u652f\u6301XtraDB\/ InnoDB\u5b58\u50a8\u5f15\u64ce\uff08\u867d\u7136\u6709\u5bf9MyISAM\u5b9e\u9a8c\u652f\u6301 &#8211; \u770bwsrep_replicate_myisam\u7cfb\u7edf\u53d8\u91cf\uff09\u3002<\/p>\n<p>\u4e3b\u8981\u529f\u80fd:<\/p>\n<ul>\n<li>\u540c\u6b65\u590d\u5236<\/li>\n<li>\u771f\u6b63\u7684multi-master\uff0c\u5373\u6240\u6709\u8282\u70b9\u53ef\u4ee5\u540c\u65f6\u8bfb\u5199\u6570\u636e\u5e93<\/li>\n<li>\u81ea\u52a8\u7684\u8282\u70b9\u6210\u5458\u63a7\u5236\uff0c\u5931\u6548\u8282\u70b9\u81ea\u52a8\u88ab\u6e05\u9664<\/li>\n<li>\u65b0\u8282\u70b9\u52a0\u5165\u6570\u636e\u81ea\u52a8\u590d\u5236<\/li>\n<li>\u771f\u6b63\u7684\u5e76\u884c\u590d\u5236\uff0c\u884c\u7ea7<\/li>\n<li>\u7528\u6237\u53ef\u4ee5\u76f4\u63a5\u8fde\u63a5\u96c6\u7fa4\uff0c\u4f7f\u7528\u611f\u53d7\u4e0a\u4e0eMySQL\u5b8c\u5168\u4e00\u81f4<\/li>\n<\/ul>\n<p>\u4f18\u52bf:<\/p>\n<ul>\n<li>\u56e0\u4e3a\u662f\u591a\u4e3b\uff0c\u6240\u4ee5\u4e0d\u5b58\u5728Slavelag(\u5ef6\u8fdf)<\/li>\n<li>\u4e0d\u5b58\u5728\u4e22\u5931\u4e8b\u52a1\u7684\u60c5\u51b5<\/li>\n<li>\u540c\u65f6\u5177\u6709\u8bfb\u548c\u5199\u7684\u6269\u5c55\u80fd\u529b<\/li>\n<li>\u66f4\u5c0f\u7684\u5ba2\u6237\u7aef\u5ef6\u8fdf<\/li>\n<li>\u8282\u70b9\u95f4\u6570\u636e\u662f\u540c\u6b65\u7684,\u800cMaster\/Slave\u6a21\u5f0f\u662f\u5f02\u6b65\u7684,\u4e0d\u540cslave\u4e0a\u7684binlog\u53ef\u80fd\u662f\u4e0d\u540c\u7684<\/li>\n<\/ul>\n<p>\u6280\u672f:<\/p>\n<p>Galera\u96c6\u7fa4\u7684\u590d\u5236\u529f\u80fd\u57fa\u4e8eGaleralibrary\u5b9e\u73b0,\u4e3a\u4e86\u8ba9MySQL\u4e0eGalera library\u901a\u8baf\uff0c\u7279\u522b\u9488\u5bf9MySQL\u5f00\u53d1\u4e86wsrep API\u3002<\/p>\n<p>Galera\u63d2\u4ef6\u4fdd\u8bc1\u96c6\u7fa4\u540c\u6b65\u6570\u636e\uff0c\u4fdd\u6301\u6570\u636e\u7684\u4e00\u81f4\u6027\uff0c\u9760\u7684\u5c31\u662f\u53ef\u8ba4\u8bc1\u7684\u590d\u5236\uff0c\u5de5\u4f5c\u539f\u7406\u5982\u4e0b\u56fe\uff1a <img decoding=\"async\" src=\"http:\/\/7xk2is.com1.z0.glb.clouddn.com\/mariadb-galera-cluster.png\" alt=\"\" \/><\/p>\n<p>\u5f53\u5ba2\u6237\u7aef\u53d1\u51fa\u4e00\u4e2acommit\u7684\u6307\u4ee4\uff0c\u5728\u4e8b\u52a1\u88ab\u63d0\u4ea4\u4e4b\u524d\uff0c\u6240\u6709\u5bf9\u6570\u636e\u5e93\u7684\u66f4\u6539\u90fd\u4f1a\u88ab <code>write-set<\/code> \u6536\u96c6\u8d77\u6765,\u5e76\u4e14\u5c06 <code>write-set<\/code> \u7eaa\u5f55\u7684\u5185\u5bb9\u53d1\u9001\u7ed9\u5176\u4ed6\u8282\u70b9\u3002<\/p>\n<p><code>write-set<\/code> \u5c06\u5728\u6bcf\u4e2a\u8282\u70b9\u8fdb\u884c\u8ba4\u8bc1\u6d4b\u8bd5\uff0c\u6d4b\u8bd5\u7ed3\u679c\u51b3\u5b9a\u7740\u8282\u70b9\u662f\u5426\u5e94\u7528<code>write-set<\/code>\u66f4\u6539\u6570\u636e\u3002<\/p>\n<p>\u5982\u679c\u8ba4\u8bc1\u6d4b\u8bd5\u5931\u8d25\uff0c\u8282\u70b9\u5c06\u4e22\u5f03 <code>write-set<\/code> \uff1b\u5982\u679c\u8ba4\u8bc1\u6d4b\u8bd5\u6210\u529f\uff0c\u5219\u4e8b\u52a1\u63d0\u4ea4\u3002<\/p>\n<h6>1 \u5b89\u88c5\u73af\u5883\u51c6\u5907<\/h6>\n<p>\u5b89\u88c5MariaDB\u96c6\u7fa4\u81f3\u5c11\u9700\u89813\u53f0\u670d\u52a1\u5668\uff08\u5982\u679c\u53ea\u6709\u4e24\u53f0\u7684\u8bdd\u9700\u8981\u7279\u6b8a\u914d\u7f6e\uff0c\u8bf7\u53c2\u7167<a href=\"http:\/\/galeracluster.com\/documentation-webpages\/twonode.html\">\u5b98\u65b9\u6587\u6863<\/a>\uff09<\/p>\n<p>\u5728\u8fd9\u91cc\uff0c\u6211\u5217\u51fa\u8bd5\u9a8c\u673a\u5668\u7684\u914d\u7f6e\uff1a<\/p>\n<p>\u64cd\u4f5c\u7cfb\u7edf\u7248\u672c\uff1acentos7<\/p>\n<p>node4:10.128.20.16 node5:10.128.20.17 node6:10.128.20.18<\/p>\n<p>\u4ee5\u7b2c\u4e00\u884c\u4e3a\u4f8b\uff0cnode4\u4e3a <code>hostname<\/code> \uff0c10.128.20.16\u4e3a <code>ip<\/code> \uff0c\u5728\u4e09\u53f0\u673a\u5668\u4fee\u6539 <code>\/etc\/hosts<\/code> \u6587\u4ef6\uff0c\u6211\u7684\u6587\u4ef6\u5982\u4e0b\uff1a<\/p>\n<div class=\"highlight\">\n<pre><code class=\"language-text\" data-lang=\"text\">10.128.20.16 node4\n10.128.20.17 node5\n10.128.20.18 node6\n<\/code><\/pre>\n<\/div>\n<p>\u4e3a\u4e86\u4fdd\u8bc1\u8282\u70b9\u95f4\u76f8\u4e92\u901a\u4fe1\uff0c\u9700\u8981\u7981\u7528\u9632\u706b\u5899\u8bbe\u7f6e\uff08\u5982\u679c\u9700\u8981\u9632\u706b\u5899\uff0c\u5219\u53c2\u7167<a href=\"http:\/\/galeracluster.com\/documentation-webpages\/galerainstallation.html#firewall-configuration\">\u5b98\u65b9\u7f51\u7ad9<\/a>\u589e\u52a0\u9632\u706b\u5899\u4fe1\u606f\u8bbe\u7f6e\uff09<\/p>\n<p>\u5728\u4e09\u4e2a\u8282\u70b9\u5206\u522b\u6267\u884c\u547d\u4ee4\uff1a<\/p>\n<div class=\"highlight\">\n<pre><code class=\"language-text\" data-lang=\"text\">systemctl stop firewalld\n<\/code><\/pre>\n<\/div>\n<p>\u7136\u540e\u5c06 <code>\/etc\/sysconfig\/selinux<\/code> \u7684 <code>selinux<\/code> \u8bbe\u7f6e\u6210 <code>disabled<\/code> ,\u8fd9\u6837\u521d\u59cb\u5316\u73af\u5883\u5c31\u5b8c\u6210\u4e86\u3002<\/p>\n<h6>2 \u5b89\u88c5 MariaDB Galera Cluster<\/h6>\n<div class=\"highlight\">\n<pre><code class=\"language-text\" data-lang=\"text\">[root@node4 ~]# yum install -y mariadb mariadb-galera-server mariadb-galera-common galera rsync\n<\/code><\/pre>\n<\/div>\n<div class=\"highlight\">\n<pre><code class=\"language-text\" data-lang=\"text\">[root@node5 ~]# yum install -y mariadb mariadb-galera-server mariadb-galera-common galera rsync\n<\/code><\/pre>\n<\/div>\n<div class=\"highlight\">\n<pre><code class=\"language-text\" data-lang=\"text\">[root@node6 ~]# yum install -y mariadb mariadb-galera-server mariadb-galera-common galera rsync\n<\/code><\/pre>\n<\/div>\n<h6>3 \u914d\u7f6e MariaDB Galera Cluster<\/h6>\n<p>\u521d\u59cb\u5316\u6570\u636e\u5e93\u670d\u52a1\uff0c\u53ea\u5728\u4e00\u4e2a\u8282\u70b9\u8fdb\u884c<\/p>\n<div class=\"highlight\">\n<pre><code class=\"language-text\" data-lang=\"text\">[root@node4 mariadb]# systemctl start mariadb\n[root@node4 mariadb]# mysql_secure_installation\n\nNOTE: RUNNING ALL PARTS OF THIS SCRIPT IS RECOMMENDED FOR ALL MariaDB\n      SERVERS IN PRODUCTION USE!  PLEASE READ EACH STEP CAREFULLY!\n\nIn order to log into MariaDB to secure it, we'll need the current\npassword for the root user.  If you've just installed MariaDB, and\nyou haven't set the root password yet, the password will be blank,\nso you should just press enter here.\n\nEnter current password for root (enter for none):\nOK, successfully used password, moving on...\n\nSetting the root password ensures that nobody can log into the MariaDB\nroot user without the proper authorisation.\n\nSet root password? [Y\/n]\nNew password:\nRe-enter new password:\nPassword updated successfully!\nReloading privilege tables..\n ... Success!\n\n\nBy default, a MariaDB installation has an anonymous user, allowing anyone\nto log into MariaDB without having to have a user account created for\nthem.  This is intended only for testing, and to make the installation\ngo a bit smoother.  You should remove them before moving into a\nproduction environment.\n\nRemove anonymous users? [Y\/n] n\n ... skipping.\n\nNormally, root should only be allowed to connect from 'localhost'.  This\nensures that someone cannot guess at the root password from the network.\n\nDisallow root login remotely? [Y\/n] y\n ... Success!\n\nBy default, MariaDB comes with a database named 'test' that anyone can\naccess.  This is also intended only for testing, and should be removed\nbefore moving into a production environment.\n\nRemove test database and access to it? [Y\/n] n\n ... skipping.\n\nReloading the privilege tables will ensure that all changes made so far\nwill take effect immediately.\n\nReload privilege tables now? [Y\/n] y\n ... Success!\n\nCleaning up...\n\nAll done!  If you've completed all of the above steps, your MariaDB\ninstallation should now be secure.\n\nThanks for using MariaDB!\n<\/code><\/pre>\n<\/div>\n<p>\u5173\u95ed\u6570\u636e\u5e93\uff0c\u4fee\u6539 <code>\/etc\/my.cnf.d\/galera.cnf<\/code><\/p>\n<div class=\"highlight\">\n<pre><code class=\"language-text\" data-lang=\"text\">[root@node4 mariadb]# systemctl stop mariadb\n<\/code><\/pre>\n<\/div>\n<div class=\"highlight\">\n<pre><code class=\"language-text\" data-lang=\"text\">[root@node4 ~]# vim \/etc\/my.cnf.d\/galera.cnf\n<\/code><\/pre>\n<\/div>\n<p>\u4fee\u6539\u4ee5\u4e0b\u5185\u5bb9\uff1a<\/p>\n<div class=\"highlight\">\n<pre><code class=\"language-text\" data-lang=\"text\">[mysqld]\n......\nwsrep_provider = \/usr\/lib64\/galera\/libgalera_smm.so\nwsrep_cluster_address = \"gcomm:\/\/node4,node5,node6\"\nwsrep_node_name = node4\nwsrep_node_address=10.128.20.16\n#wsrep_provider_options=\"socket.ssl_key=\/etc\/pki\/galera\/galera.key; socket.ssl_cert=\/etc\/pki\/galera\/galera.crt;\"\n<\/code><\/pre>\n<\/div>\n<p>\u63d0\u793a\uff1a\u5982\u679c\u4e0d\u7528ssl\u7684\u65b9\u5f0f\u8ba4\u8bc1\u7684\u8bdd\uff0c\u8bf7\u628a <code>wsrep_provider_options<\/code> \u6ce8\u91ca\u6389\u3002<\/p>\n<p>\u5c06\u6b64\u6587\u4ef6\u590d\u5236\u5230node5\u3001node6\uff0c\u6ce8\u610f\u8981\u628a <code>wsrep_node_name<\/code> \u548c <code>wsrep_node_address<\/code> \u6539\u6210\u76f8\u5e94\u8282\u70b9\u7684 <code>hostname<\/code> \u548c <code>ip<\/code>\u3002<\/p>\n<h6>4 \u542f\u52a8 MariaDB Galera Cluster \u670d\u52a1<\/h6>\n<div class=\"highlight\">\n<pre><code class=\"language-text\" data-lang=\"text\">[root@node4 ~]# \/usr\/libexec\/mysqld --wsrep-new-cluster --user=root &amp;\n<\/code><\/pre>\n<\/div>\n<p>\u89c2\u5bdf\u65e5\u5fd7\uff1a<\/p>\n<div class=\"highlight\">\n<pre><code class=\"language-text\" data-lang=\"text\">[root@node4 ~]# tail -f \/var\/log\/mariadb\/mariadb.log\n\n150701 19:54:17 [Note] WSREP: wsrep_load(): loading provider library 'none'\n150701 19:54:17 [Note] \/usr\/libexec\/mysqld: ready for connections.\nVersion: '5.5.40-MariaDB-wsrep'  socket: '\/var\/lib\/mysql\/mysql.sock'  port: 3306  MariaDB Server, wsrep_25.11.r4026\n<\/code><\/pre>\n<\/div>\n<p>\u51fa\u73b0 <code>ready for connections<\/code> ,\u8bc1\u660e\u6211\u4eec\u542f\u52a8\u6210\u529f\uff0c\u7ee7\u7eed\u542f\u52a8\u5176\u4ed6\u8282\u70b9\uff1a<\/p>\n<div class=\"highlight\">\n<pre><code class=\"language-text\" data-lang=\"text\">[root@node5 ~]# systemctl start mariadb\n<\/code><\/pre>\n<\/div>\n<div class=\"highlight\">\n<pre><code class=\"language-text\" data-lang=\"text\">[root@node6 ~]# systemctl start mariadb\n<\/code><\/pre>\n<\/div>\n<p>\u53ef\u4ee5\u67e5\u770b <code>\/var\/log\/mariadb\/mariadb.log<\/code>\uff0c\u5728\u65e5\u5fd7\u53ef\u4ee5\u770b\u5230\u8282\u70b9\u5747\u52a0\u5165\u4e86\u96c6\u7fa4\u4e2d\u3002<\/p>\n<p>\u8b66\u544a\u26a0\uff1a<code>--wsrep-new-cluster<\/code> \u8fd9\u4e2a\u53c2\u6570\u53ea\u80fd\u5728\u521d\u59cb\u5316\u96c6\u7fa4\u4f7f\u7528\uff0c\u4e14\u53ea\u80fd\u5728\u4e00\u4e2a\u8282\u70b9\u4f7f\u7528\u3002<\/p>\n<h6>5 \u67e5\u770b\u96c6\u7fa4\u72b6\u6001<\/h6>\n<p><img decoding=\"async\" src=\"http:\/\/7xk2is.com1.z0.glb.clouddn.com\/galera-status.png\" alt=\"\" \/><\/p>\n<p>\u6211\u4eec\u53ef\u4ee5\u5173\u6ce8\u51e0\u4e2a\u5173\u952e\u7684\u53c2\u6570\uff1a<\/p>\n<p><code>wsrep_connected = on<\/code> <em>\u94fe\u63a5\u5df2\u5f00\u542f<\/em><\/p>\n<p><code>wsrep_local_index = 1<\/code> <em>\u5728\u96c6\u7fa4\u4e2d\u7684\u7d22\u5f15\u503c<\/em><\/p>\n<p><code>wsrep_cluster_size =3<\/code> <em>\u96c6\u7fa4\u4e2d\u8282\u70b9\u7684\u6570\u91cf<\/em><\/p>\n<p><code>wsrep_incoming_addresses =  10.128.20.17:3306,10.128.20.16:3306,10.128.20.18:3306<\/code> <em>\u96c6\u7fa4\u4e2d\u8282\u70b9\u7684\u8bbf\u95ee\u5730\u5740<\/em><\/p>\n<h6>6 \u9a8c\u8bc1\u6570\u636e\u540c\u6b65<\/h6>\n<p>\u6211\u4eec\u5728 <code>node4<\/code> \u4e0a\u65b0\u5efa\u6570\u636e\u5e93 <code>galera_test<\/code> ,\u7136\u540e\u5728 <code>node5<\/code> \u548c <code>node6<\/code> \u4e0a\u67e5\u8be2\uff0c\u5982\u679c\u53ef\u4ee5\u67e5\u8be2\u5230 <code>galera_test<\/code> \u8fd9\u4e2a\u5e93\uff0c\u8bf4\u660e\u6570\u636e\u540c\u6b65\u6210\u529f\uff0c\u96c6\u7fa4\u8fd0\u884c\u6b63\u5e38\u3002<\/p>\n<div class=\"highlight\">\n<pre><code class=\"language-text\" data-lang=\"text\">[root@node4 ~]# mysql  -uroot  -proot  -e  \"create database galera_test\"\n<\/code><\/pre>\n<\/div>\n<div class=\"highlight\">\n<pre><code class=\"language-text\" data-lang=\"text\">[root@node5 ~]# mysql  -uroot  -proot  -e  \"show databases\"\n+--------------------+\n| Database           |\n+--------------------+\n| information_schema |\n| galera_test        |\n| mysql              |\n| performance_schema |\n+--------------------+\n<\/code><\/pre>\n<\/div>\n<div class=\"highlight\">\n<pre><code class=\"language-text\" data-lang=\"text\">[root@node6 ~]# mysql  -uroot  -proot  -e  \"show databases\"\n+--------------------+\n| Database           |\n+--------------------+\n| information_schema |\n| galera_test        |\n| mysql              |\n| performance_schema |\n+--------------------+\n<\/code><\/pre>\n<\/div>\n<p>\u81f3\u6b64\uff0c\u6211\u4eec\u7684 MariaDB Galera Cluster \u5df2\u7ecf\u6210\u529f\u90e8\u7f72\u3002<\/p>\n<blockquote><p>\u53c2\u8003\u6587\u7ae0\uff1a<\/p><\/blockquote>\n<ul>\n<li>http:\/\/galeracluster.com\/documentation-webpages\/<\/li>\n<li>https:\/\/mariadb.com\/kb\/en\/mariadb\/getting-started-with-mariadb-galera-cluster\/<\/li>\n<\/ul>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u5feb\u901f\u90e8\u7f72MariaDB\u96c6\u7fa4 \u9648\u4eae \u2014 July 02, 2015 &nbsp; MariaDB\u4f5c\u4e3aMysql\u7684\u4e00\u4e2a\u5206\u652f\uff0c\u5728\u5f00\u6e90\u9879\u76ee\u4e2d\u5df2\u7ecf\u5e7f\u6cdb\u4f7f\u7528\uff0c\u4f8b\u5982\u5927\u70ed\u7684openstack\uff0c\u6240\u4ee5\uff0c\u4e3a\u4e86\u4fdd\u8bc1\u670d\u52a1\u7684\u9ad8\u53ef\u7528\u6027\uff0c\u540c\u65f6\u63d0\u9ad8\u7cfb\u7edf\u7684\u8d1f\u8f7d\u80fd\u529b\uff0c\u96c6\u7fa4\u90e8\u7f72\u662f\u5fc5\u4e0d\u53ef\u5c11\u7684\u3002 MariaDB Galera Cluster \u4ecb\u7ecd MariaDB\u96c6\u7fa4\u662fMariaDB\u540c\u6b65\u591a\u4e3b\u673a\u96c6\u7fa4\u3002\u5b83\u4ec5\u652f\u6301XtraDB\/ InnoDB\u5b58\u50a8\u5f15\u64ce\uff08\u867d\u7136\u6709\u5bf9MyISAM\u5b9e\u9a8c\u652f\u6301 &#8211; \u770bwsrep_replicate_myisam\u7cfb\u7edf\u53d8\u91cf\uff09\u3002 \u4e3b\u8981\u529f\u80fd: \u540c\u6b65\u590d\u5236 \u771f\u6b63\u7684multi-master\uff0c\u5373\u6240\u6709\u8282\u70b9\u53ef\u4ee5\u540c\u65f6\u8bfb\u5199\u6570\u636e\u5e93 \u81ea\u52a8\u7684\u8282\u70b9\u6210\u5458\u63a7\u5236\uff0c\u5931\u6548\u8282\u70b9\u81ea\u52a8\u88ab\u6e05\u9664 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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