{"id":228,"date":"2011-06-01T14:53:24","date_gmt":"2011-06-01T06:53:24","guid":{"rendered":"http:\/\/cowman-chiang.no-ip.org\/wordpress\/?p=228"},"modified":"2023-10-31T15:50:52","modified_gmt":"2023-10-31T07:50:52","slug":"mysql-cluster","status":"publish","type":"post","link":"https:\/\/cowmanchiang.me\/wp\/?p=228","title":{"rendered":"MySQL Cluster"},"content":{"rendered":"

\u5df2\u7d93\u5fd8\u4e86\u7576\u521d\u5be6\u969b\u5efa\u7f6e\u7684\u904e\u7a0b
\n\u53ea\u8a18\u5f97\u7576\u521d\u7684\u53c3\u8003\u6587\u4ef6\u5728\u9019\u88e1<\/span><\/a>
\n\u6709\u9700\u8981\u7684\u53ef\u4ee5\u518d\u53bb\u770b\u4e00\u4e0b<\/p>\n

<\/p>\n

\u76ee\u524d\u5229\u75285\u53f0vm\u7684centos\u4f86\u5efa\u7f6emysql cluster
\n\u5206\u5225\u70ba
\nmysql 1 (Management node)\u3001192.168.55.21
\nmysql 2 (SQL node)\u3001192.168.55.22
\nmysql 3 (SQL node)\u3001192.168.55.23
\nmysql 4 (Data node)\u3001192.168.55.24
\nmysql 5 (Data node)\u3001192.168.55.25<\/p>\n

\u5728 mysql 1 \u4e0a\u7684\u8a2d\u5b9a\u6a94 \/var\/lib\/mysql-cluster\/config.ini \u4e4b\u5167\u5bb9\u70ba
\n[ndbd default]
\nNoOfReplicas=2 #\u5b9a\u7fa9\u4e86\u5169\u500bdb\u7bc0\u9ede\u70ba\u4e00\u7d44,\u6bcf\u500b\u7d44\u53ea\u8981\u6709\u4e00\u500b\u7bc0\u9ede\u80fd\u9023\u4e0a,\u5c31\u4e0d\u6703\u5f71\u97ff\u6574\u500bcluster
\nDataMemory=2048M #\u5b9a\u7fa9DataMemory\u7684\u5927\u5c0f\u70ba2048M
\nIndexMemory=640M #\u5b9a\u7fa9IndexMemory\u7684\u5927\u5c0f\u70ba640M
\nMaxNoOfTables=2048
\nMaxNoOfAttributes=4096
\nMaxNoOfConcurrentOperations=100000
\nMaxNoOfLocalOperations=110000
\ndatadir=\/var\/lib\/mysql-cluster
\n[tcp default]
\nportnumber=2202
\n[ndb_mgmd] # \u7ba1\u7406node
\nhostname=192.168.55.21
\ndatadir=\/var\/lib\/mysql-cluster
\n[ndbd] # Data node
\nhostname=192.168.55.24
\nDataMemory=2048M
\n[ndbd] # Data node
\nhostname=192.168.55.25
\nDataMemory=2048M
\n[mysqld] # SQL node
\nhostname=192.168.55.22
\n[mysqld] # SQL node
\nhostname=192.168.55.23<\/code><\/p>\n

\u53e6\u5916\u4e5f\u9700\u5728 \/etc\/my.cnf \u8a2d\u5b9a
\n[mysqld]
\nndbcluster # run NDB storage engine
\nndb-connectstring=192.168.55.21<\/code>\ufeff\ufeff\ufeff\ufeff\ufeff<\/p>\n

[mysql_cluster]
\nndb-connectstring=192.168.55.21<\/p>\n

\u4e26\u540c\u6642\u8981\u78ba\u4fdd 2202 \u7684port\u662f\u5426\u6709\u958b\u555f\uff0c\u56e0\u70ba\u90fd\u662f\u5167\u7db2\uff0c\u5c31\u4e7e\u8106\u90fd\u4e0d\u95dc\u4e86<\/p>\n

\u5728mysql cluster Management\u4e0a\u9762\u53ef\u4ee5\u57f7\u884c\u4e0b\u5217\u6307\u4ee4
\nndb_mgmd -f \/var\/lib\/mysql-cluster\/config.ini<\/code>
\n\u555f\u52d5mysql cluster<\/p>\n

ndb_mgm -e shutdown<\/code>
\n\u95dc\u9589mysql cluster<\/p>\n

ndb_mgm -e show<\/code>
\n\u79c0\u51fa\u76ee\u524dmysql cluster\u6210\u54e1\u9593\u7684\u9023\u7dda\u72c0\u614b<\/p>\n

ndb_size.pl --database=radius --hostname=192.168.55.22 --user=cowman --password=123456 --socket=\/tmp\/mysql.sock >> mysql_ndb.html<\/code>
\n\u5c07mysql cluster\u8a73\u7d30\u8cc7\u8a0a\u7522\u751f\u81f3mysql_ndb.html<\/p>\n

\u7576\u767c\u73fe\u6709\u554f\u984c\u6642\uff0c\u5927\u81f4\u4e0a\u90fd\u6703\u5148show\u4e00\u4e0b\u770b\u9023\u7dda\u72c0\u614b\u8cc7\u8a0a
\n\u5982\u679c\u90fd\u6b63\u5e38\uff0c\u90a3\u61c9\u8a72\u5c31\u662f\u8cc7\u6599\u5eab\u53c8\u7206\u4e86
\n\u5c31\u6703\u53bb\u6aa2\u67e5\u76f8\u95dc\u7684\u670d\u52d9log\u8cc7\u8a0a<\/p>\n

\u5982\u679c\u767c\u73fe\u7570\u5e38
\n\u90a3\u5148\u8a18\u5f97\u4e0b\u95dc\u9589\u7684\u6307\u4ee4
\n\u4e14\u8981\u5230\u6bcf\u4e00\u500bnode\u53bb\u628acluster\u57f7\u884c\u7684\u6307\u4ee4\u90fd\u7d66\u5f37\u5236\u505c\u6b62
\n\u63a5\u8457\u5728\u7167\u958b\u59cb\u7684\u9806\u5e8f\u4e00\u4e00\u6253\u958b<\/p>\n

\u958b\u59cb\u7684\u9806\u5e8f\u70ba
\n\u5148\u555f\u52d5 Management Node
\nndb_mgmd -f \/var\/lib\/mysql-cluster\/config.ini<\/code><\/p>\n

\u63a5\u8457\u555f\u52d5Data Node
\nndbd<\/code><\/p>\n

\u63a5\u8457\u555f\u52d5SQL Node
\nservice mysql start<\/code><\/p>\n

\u7136\u5f8c\u5728show\u770b\u770b\u6709\u6c92\u6709\u6b63\u5e38\u9023\u7dda<\/p>\n","protected":false},"excerpt":{"rendered":"

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