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 1>£¬ÎªÁË·½±ãµ÷Óý«Æä¸ÄÃûΪmysql£¬²¢ÇÒ·ÅÓÚ/usr/local/ÏÂ
 2>£¬´´½¨Á¬½ÓÎļþ£¬½øÈë/usr/local/ÏÂ
  
  ln -s ..../mysql mysql
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 groupadd mysql
 useradd -g mysql mysql
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 cd /usr/local/mysql
 
 chown -Rhf mysql .
 chgrp -Rhf mysql .
 
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 scritps/mysql_install_db --user=mysql &
 chown -Rhf root .
 chown -Rhf mysql .
 chown -R mysql data
 chgrp -R mysql .
 
 cp support-file/mysql.server /etc/rc.d/ini.d/mysqld
 chmod +x /etc/rc.d/init.d/mysqld
 <chkconfig - add mysqld>
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  /etc/rc.d/init.d/mysqld stop/start
  service mysqld restart
 Èç¹û»¹ÊÇʧ°Ü
 ln -s /var/lib/mysql/mysql.sock /tmp/mysql.sock
 
  
 bin/mysqld_safe --user=mysql &
 
 ÑéÖ¤³É¹¦ºó£¬Í£Ö¹mysql£¬Í£Ö¹½ø³Ì
 ps -ef | grep mysql<ndb>
 kill -9 ½ø³Ì±êºÅ
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 vi my.cnf
 
[mysqld]
default-storage-engine=ndbcluster
ndbcluster
ndb-connectstring=10.85.0.90,10.85.0.80
[ndbd]
connect-string=10.85.0.90,10.85.0.80
[ndb_mgm]
connect-string=10.85.0.90,10.85.0.80
[ndb_mgmd]
config-file=/usr/local/mysql/config.ini
[mysql_cluster]
ndb-connectstring=10.85.0.90,10.85.0.80
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 vi config.ini
[ndbd default]
NoOfReplicas= 2
MaxNoOfConcurrentOperations= 10000
DataMemory= 80M
IndexMemory= 24M
TimeBetweenWatchDogCheck= 30000
DataDir= /var/lib/mysql-cluster
MaxNoOfOrderedIndexes= 512
StartPartialTimeout=100
StartPartitionedTimeout=100
ArbitrationTimeout=5000
TransactionDeadlockDetectionTimeout=5000
HeartbeatIntervalDbDb=5000
StopOnError=0
[ndb_mgmd default]
DataDir= /var/lib/mysql-cluster
[ndb_mgmd]
Id=1
HostName= 10.85.0.90
[ndb_mgmd]
Id=2
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USE dxdb;
DELIMITER //
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DROP PROCEDURE IF EXISTS get_sid;
CREATE PROCEDURE get_sid(para_domain VARCHAR(20), out para_sid BIGINT UNSIGNED)
BEGIN
START TRANSACTION;
UPDATE t_sid SET sID=sID+1 WHERE cDomain=para_domain;
SELECT sID INTO para_sid from t_sid WHERE cDomain=para_domain;
......

ɾ³ýMYSQl BIN LOG ÈÕÖ¾

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mysql> show binary logs;
+----------------+-----------+
| Log_name | File_size |
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| ablelee.000001 | 150462942 |
| ablelee.000002 | 125 |
| ablelee.000003 | 106 |
+----------------+-----------+
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   alter table tabelname add new_field_name field_type default 0 not null auto_increment ,add primary key (new_field_name);
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   alter table tableName add new_field_name field_type;
   alter table tableNam ......
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