mysql archive´æ´¢ÒýÇæ
http://www.mysqlperformanceblog.com/2006/11/12/trying-archive-storage-engine/
£¨1£©ÔÚÏàͬµÄÌõ¼þÏ£¬archiveµÄÊý¾Ý´óСԶСÓÚmyisam
£¨2£©ÔÚѹËõarchiveÊý¾Ýʱ£¬bzip2ºÃÓÚgzip
£¨3£©ÐèÒªÌí¼ÓarchiveµÄ·½·¨ºÍѹËõµÄlevel£¬ÒÔÂú×㲻ͬÓû§µÄÐèÇó
£¨4£©Õâ¸ö´æ´¢ÒýÇæÊÊÓÃÓÚÈÕÖ¾Êý¾Ý
£¨5£©´ËÒýÇæ²»ÄÜupdate,delete£¬²¢ÇÒÎÞË÷Òý
Ïà¹ØÎĵµ£º
1¡¢´ò¿ªMyEclipse6.6
2¡¢Ñ¡Ôñ²Ëµ¥£ºWindow/Open Perspective/MyEclipse Database Explorer£¬µã»÷OK£¬ÔÚ×ó±ß´ò¿ªDB Brower´°¿Ú¡£
3¡¢ÔÚDB Brower´°¿ÚÄÚÈÎÒâ¿Õ°×´¦»÷ÓÒ¼ü£¬Ñ¡ÔñNewÃüÁµ¯³öDatabase Driver´°¿Ú
4¡¢±¾´°¿Ú¸÷Ïî˵Ã÷£º
Driver template: MySQL Connector/J Ñ¡ÔñÇý¶¯Ä£°å
& ......
×ܽáÁËһЩMySQLÓÅ»¯·½ÃæµÄ¼¼ÇÉ
Ò». Æô¶¯²ÎÊýÓÅ»¯
ÐÞ¸Ä my.cnf (»òÕßmy.ini)£¬¼ÓÈë/ÐÞ¸ÄÒÔϼ¸ÐÐ
#É趨»º´æµÄÁ¬½ÓÊý,½ÚÊ¡Á¬½ÓʱµÄ¿ªÏú
back_log = 64
#½ûÓÃÎļþϵͳÍⲿËø
external-locking = 0
#½ûÓÃBDB,Èç¹ûÄãȷʵ²»ÐèÒªµÄ»°,innodbÒ²ÊÇÈç´Ë
skip-bdb
#Ë÷Òý»º³å,Èç¹ûÊÇרÓõÄÊý¾Ý¿â·þÎñÆ÷,¿ÉÒÔÉèÖøߴï·þÎñÆ÷ÄÚ´ ......
ÎÒÔÚmysql ÃüÁîÐÐÕâ¸öϵÁÐÀï½éÉܹýÓÐÌõ¼þ²éѯ£¬ËüÓõ½WHERE×Ӿ䡣µ«ÊÇÓÐʱºòÓÃWHERE×Ó¾äÎÞ·¨¸øÎÒÃǵIJéѯ¼ÓÈëÌõ¼þ£¬±ÈÈçÔÚÉÏÒ»½ÚÎÒÃÇѧϰµÄGROUP BY(°´×é¹éÀà)×Ӿ䣬Èç¹ûÎÒÃÇÒªÔÚ°´×é¹éÀàºó¼ÓÈëÌõ¼þ£¬ÓÃWHERE¾ÍÐв»Í¨£¬ÒòΪWHEREÖ»¿ÉÒÔÔÚ°´×é¹éÀàÇ°¼ÓÈëÌõ¼þ¡£ºÃÔÚmysqlÌṩHAVING×Ӿ䣬Ëü¿ÉÒÔ°ïÎÒÃǽâ¾öÕâ¸öÎÊÌâ¡£
ÈçºÎÊ¹Ó ......
½ñÌ죬Êý¾Ý¿âµÄ²Ù×÷Ô½À´Ô½³ÉΪÕû¸öÓ¦ÓõÄÐÔÄÜÆ¿¾±ÁË£¬Õâµã¶ÔÓÚWebÓ¦ÓÃÓÈÆäÃ÷ÏÔ¡£¹ØÓÚÊý¾Ý¿âµÄÐÔÄÜ£¬Õâ²¢²»Ö»ÊÇDBA²ÅÐèÒªµ£ÐĵÄÊ£¬¶øÕâ¸üÊÇÎÒÃdzÌÐòÔ±ÐèҪȥ¹Ø×¢µÄÊÂÇé¡£µ±ÎÒÃÇÈ¥Éè¼ÆÊý¾Ý¿â±í½á¹¹£¬¶Ô²Ù×÷Êý¾Ý¿âʱ£¨ÓÈÆäÊDzé±íʱµÄSQLÓï¾ä£©£¬ÎÒÃǶ¼ÐèҪעÒâÊý¾Ý²Ù×÷µÄÐÔÄÜ¡£ÕâÀÎÒÃDz»»á½²¹ý¶àµÄSQLÓï¾äµÄÓÅ»¯£¬¶øÖ»ÊÇÕë ......
http://immike.net/blog/2007/04/09/how-not-to-optimize-a-mysql-query/
ÕâƪÎÄÕ½¨Ò飺
£¨1£©²»ÒªÊ¹ÓÃһЩmysqlµÄtip£¬È磺SQL_SMALL_RESULT, HIGH/LOW_PRIORITY, and INSERT DELAYED£¬STRAIGHT_JOIN£¬³ý·ÇûÓÐÆäËû·½·¨£¬ÒòΪÕâÑùʧȥÁËSQLµÄ¿ÉÒÆÖ²ÐÔ
£¨2£©Êʵ±¶Ô±í½øÐÐË÷Òý
£¨3£©±ÜÃâ¶Ô²»±ØÒªÊý¾ÝµÄ²éѯ
£¨4£©´¦Àí× ......