²é¿´MySQL¼Ç¼ִÐйýµÄSQL
µÚÒ»ÖÖ:²éSlow queryµÄSQLÓï·¨:
log_slow_queries = /var/log/mysql/mysql-slow.log
long_query_time = 2 (³¬¹ý2ÃëµÄSQLÓï·¨¼Ç¼ÆðÀ´,Éè¶ÌÒ»µãÀ´¼Ç¼³ý´íÒ²ÊÇÒ»ÖÖ·½·¨.)
µÚ¶þÖÖ:ÉèMySQL ReplicationÓÃbinlog:
log_bin = /var/log/mysql/mysql-bin.log (´ËµµÒªÓÃmysqlbinlog½âÀ´¿´£¬
mysqlbinlog mysql-bin.000042| grep "T_ABC" | grep "column value"
)
mysql»á½«ËùÓÐINSERT/UPDATE/DELETEÓï·¨¼ÇÓÚ´Ë(µ«ÊÇÓï·¨¿ÉÄܸúÄãÏëµÄ²»Í¬),ÕâÊÇҪд¸øSLAVEÓõÄlog Îļþ
µÚÈýÖÖ:ÍÆ¼ö´Ë·½·¨,½«MySQLÖ´ÐеÄÿÐÐÖ¸ÁîÈ«¶¼¼Ç¼ÆðÀ´:
log = /tmp/mysql.log
restart mysqlºó, tail -f /tmp/mysql.log¾Í¿ÉÒÔ¿´µ½
Ïà¹ØÎĵµ£º
Ð¶ÔØMySQLÊý¾Ý¿â£º
ÏÈÍ£µôWINDOWSÀïµÄMySQL·þÎñ£»
ÓÃ360°²È«ÎÀʿǿÐÐɾ³ýMySQLÊý¾Ý¿â
½Ó×ÅÔÚ×¢²á±íÀïÇå³ýMySQL·þÎñ£º
1¡¢HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\Eventlog\Application\MySQL Ŀ¼ɾ³ý
2¡¢HKEY_LOCAL_MACHINE\SYSTEM\ControlSet002\Services\Eventlog\Application\MySQL Ŀ¼ɾ³ý
3¡¢HKEY_ ......
°æÈ¨ÉùÃ÷
£º×ªÔØÊ±ÇëÒÔ³¬Á´½ÓÐÎʽ±êÃ÷ÎÄÕÂÔʼ³ö´¦ºÍ×÷ÕßÐÅÏ¢¼°±¾ÉùÃ÷
http://bbayou.blogbus.com/logs/37045617.html
²âÊÔÊý¾Ý2.5G£¬¹²ÓÐÊý¾Ý9427567Ìõ¡£ÓõÄmysqlµÄlarge·þÎñÆ÷µÄÅäÖá£
load
Ò»´ÎÐèÒª´ó¸Å10·ÖÖÓ×óÓÒ¡£
½¨µÄ±íÓõÄÊÇMYISAM£¬µ÷ÕûÁ˼¸¸ösessionµÄ²ÎÊýÖµ
SET
SESSION
BULK_INSERT_BUFFER_S ......
package com.wxpn.tutorial.db;
import java.io.IOException;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.sql.SQLWarning;
import java.sql.Statement;
import java.util.Date;
/**
* ÃèÊö: Êý¾Ý¿âÁ¬½Ó³ØÀà
*
*
&n ......
ÍøÕ¾µÄÊý¾Ý¿âÊǵ÷ÓÃÔ¶³Ì·þÎñÆ÷ÉϵÄ,²»ÊDZ¾»úµÄ.ÍøÕ¾´ò¿ª±È½ÏÂý.ÔÚÍøÉÏËÑË÷ÁË·½·¨,Õâ¸ö·½·¨¿ÉÒÔ½â¾ö,µ«ÊÇÓÐÁíÍâµÄÎÊÌâ³öÏÖ:
-----------------------------------------------------------------------
ÔÚ¾ÖÓòÍøÄÚÁ¬½ÓÆäËû»úÆ÷µÄMYSQL,·¢ÏÖËÙ¶ÈÂýµÄºÜ,²»ÖªµÀʲôÔÒò,×ÜÓм¸ÃëµÄÑÓ³Ù.
ºóÀ´ÔÚÍøÉÏ·¢ÏÖ½â¾ö·½·¨,my.iniÀïÃæÌ ......
MySQL·ÖÇø£¨Partition£©¹¦ÄÜÊÔÑé2008-07-06 20:02Ŀ¼
[¸ÅÊö]
[·ÖÇø±íºÍδ·ÖÇø±íÊÔÑé¹ý³Ì]
[·ÖÇøÃüÁîÏê½â]
[¸ÅÊö]
×Ô5.1¿ªÊ¼¶Ô·ÖÇø(Partition)ÓÐÖ§³Ö£¬6.0Ó¦±È½ÏÎȶ¨
= ˮƽ·ÖÇø£¨¸ù¾ÝÁÐÊôÐÔ°´Ðз֣©=
¾Ù¸ö¼òµ¥Àý×Ó£ºÒ»¸ö°üº¬Ê®Ä귢Ʊ¼Ç¼µÄ±í¿ÉÒÔ±»·ÖÇøÎªÊ®¸ö²»Í¬µÄ·ÖÇø£¬Ã¿¸ö·ÖÇø°üº¬µÄÊÇÆäÖÐÒ»ÄêµÄ¼Ç¼¡£
=== Ë® ......