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mysql -u root -p
mysql>use mysql;
mysql>select 'host' from user where user='root';
mysql>update user set host = '%' where user ='root';
mysql>flush privileges;
mysql>select 'host'   from user where user='root';
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ÐÞ¸Ämax_allowed_packet,net_buffer_lengthµÈ¼¸¸ö²ÎÊý,»òÖ±½ÓSET GLOBAL varName=value.
linux°æ± ......

ת MYSQLÖеÄmy.ini»òmy.cnfÅäÖÃ˵Ã÷

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basedir = path ʹÓøø¶¨Ä¿Â¼×÷Ϊ¸ùĿ¼(°²×°Ä¿Â¼)¡£
character-sets-dir = path ¸ø³ö´æ·Å×Å×Ö·û¼¯µÄĿ¼¡£
datadir = path ´Ó¸ø¶¨Ä¿Â¼¶ÁÈ¡Êý¾Ý¿âÎļþ¡£
pid-file = filename Ϊmysqld³ÌÐòÖ¸¶¨Ò»¸ö´æ·Å½ø³ÌIDµÄÎļþ(½öÊÊÓÃÓÚUNIX/Linuxϵͳ); Init-V½Å±¾ÐèҪʹÓÃÕâ¸öÎļþÀïµÄ½ø³ÌID½áÊømysqld½ø ......

MySQL Cluster Multi Computer Installation

    
Each MySQL Cluster host computer running an SQL node must have
installed on it a MySQL binary. For management nodes and data
nodes, it is not necessary to install the MySQL server binary, but
management nodes require the management server daemon
......

MySQL Cluster Multi Computer Configuration


For our four-node, four-host MySQL Cluster, it is necessary to
write four configuration files, one per node host.

Each data node or SQL node requires a
my.cnf
file that provides two pieces of
information: a connectstring
that tells
......
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