IT咨询，教育，旅游 http://www.qqread.com zh-cn WWW.QQREAD.COM Copyright 2002 - 2006 qqread.com, All Rights Reserved Tues, 25 Jul 2006 00:16:05 GMT http://www.qqread.com/mysql/f090156052.html WWW.QQREAD.COM http://www.qqread.com/mysql/f090156052.html MySql Fri, 14 Jul 2006 00:00:00 GMT 《MySQL管理员指南》之 MySQL的优化本文由正泰linux http://linux-down.kmip.net 搜集，整理，如需转载，请注明出处！本站有大量的linux电子教程，软件，技术文档，欢迎大家访问！站长阿泰qq：253222170**************************************************************... http://www.qqread.com/mysql/z568130052.html WWW.QQREAD.COM http://www.qqread.com/mysql/z568130052.html MySql Fri, 30 Jun 2006 00:00:00 GMT 您可以看到MySQL有很多可以导入数据的方法，然而这些只是数据传输中的一半。另外的一般是从MySQL数据库中导出数据。有许多的原因我们需要导出数据。一个重要的原因是用于备份数据库。数据的造价常常是昂贵的，需要谨慎处理它们。经常地备份可以帮助防止宝贵数据地丢失；... http://www.qqread.com/mysql/f574130052.html WWW.QQREAD.COM http://www.qqread.com/mysql/f574130052.html MySql Fri, 30 Jun 2006 00:00:00 GMT 此文档是一位高手同事Hewei的原创实践总结,过程真是精彩,最后修复损坏数据库取得圆满效果,值得收藏的一篇好文章mysql数据库下损坏数据的恢复操作其过程总结(此文档是一位高手同事Hewei的原创实践总结,过程真是精彩,最后修复损坏数据库取得圆满效果,值得收藏的一篇好文章... http://www.qqread.com/mysql/e686129052.html WWW.QQREAD.COM http://www.qqread.com/mysql/e686129052.html MySql Mon, 26 Jun 2006 00:00:00 GMT 妈的。。今天下午忙了半天也没搞定mysql的远程连接。。郁闷啊。。最后回到家里上网无意见看到了篇比较正点的资料。。呵呵，，问题解决了。。明天搞定ftp服务器。。哈哈netstat -an | grep LISTEN查看端口远程连接到mysql需要做的- - 1、进入mysql，创建一个新用户xuys：... http://www.qqread.com/mysql/q953127052.html WWW.QQREAD.COM http://www.qqread.com/mysql/q953127052.html MySql Wed, 21 Jun 2006 00:00:00 GMT 为达到启动多个mysqld服务，只要启动时使用不同pid-file,datadir,socket,port是完全的可行。步骤：1、准备目录mkdir /mysql1chown mysql:mysql /mysql1chmod 755 mysql /mysql12、准备新的服务要读取的数据库cp /path/to/mysql/var /mysql13、创建mysqld启动脚本#start_... http://www.qqread.com/mysql/u258127052.html WWW.QQREAD.COM http://www.qqread.com/mysql/u258127052.html MySql Sun, 18 Jun 2006 00:00:00 GMT 安装mysql数据库如果你下载的是源码,按如下方式安装# pw groupadd mysql # pw useradd mysql -g mysql -s /nonexitent # tar -zxvf mysql-3.23.53.tar.gz # mv mysql-3.23.53 mysql # cd mysql # ./configure --prefix=/usr/local/mysql # make # make install # script... http://www.qqread.com/mysql/f261127052.html WWW.QQREAD.COM http://www.qqread.com/mysql/f261127052.html MySql Sun, 18 Jun 2006 00:00:00 GMT The server maintains many system variables that indicate how it isconfigured. All of them have default values. They can be set atserver startup using options on the command line or in option files.Most of them can be set at runtime using the SETstate... http://www.qqread.com/mysql/f541125052.html WWW.QQREAD.COM http://www.qqread.com/mysql/f541125052.html MySql Thur, 15 Jun 2006 00:00:00 GMT 系统不能连接数据库，关键要看两个数据： 1、数据库系统允许的最大可连接数max_connections。这个参数是可以设置的。如果不设置，默认是100。最大是16384。 2、数据库当前的连接线程数threads_connected。这是动态变化的。 查看max_connections、max_connections的办法... http://www.qqread.com/mysql/e330117052.html WWW.QQREAD.COM http://www.qqread.com/mysql/e330117052.html MySql Sun, 4 Jun 2006 00:00:00 GMT 首先进入mysql并以root登陆，随后输入如下内容。 mysqlGRANTALLPRIVILEGESON[dbname].*to'[user]'@'[hostname]'identifiedby'[password]'; 异常： 当运行DateTest时屏幕提示“Serverconfigurationdeniesaccesstodatasource” 解决方法： ... http://www.qqread.com/mysql/z331117052.html WWW.QQREAD.COM http://www.qqread.com/mysql/z331117052.html MySql Sun, 4 Jun 2006 00:00:00 GMT 常见问题集锦MySQL总是崩溃 首先你应该试着找出问题mysqld守护进程是否死掉或你的问题是否与你的客户有关。你可以用mysqladmin version检查你的mysqld服务器正常执行了多长时间，如果mysqld死了，你可以在文件“mysql-data-directory/'hostname'.err”中找到其原因。使... http://www.qqread.com/mysql/z359112052.html WWW.QQREAD.COM http://www.qqread.com/mysql/z359112052.html MySql Sun, 21 May 2006 00:00:00 GMT 网站访问量越来越大，MySQL自然成为瓶颈，因此最近我一直在研究 MySQL 的优化，第一步自然想到的是 MySQL 系统参数的优化，作为一个访问量很大的网站（日20万人次以上）的数据库系统，不可能指望 MySQL 默认的系统参数能够让 MySQL运行得非常顺畅。 通过在网络上查找资... http://www.qqread.com/mysql/e846110052.html WWW.QQREAD.COM http://www.qqread.com/mysql/e846110052.html MySql Tues, 16 May 2006 00:00:00 GMT 笔者是一个中小Linux网站的管理员，系统构架是：RHEL 4.0 ＋ PHP 4.3 ＋ Mysql 4.03 ＋Apache 1.23。日均IP访问量在200次，一个典型的Linux小型网站。由于是小型网站，所以没有经费使用磁带机进行系统备份，使用的DVD光盘刻录机＋网络硬盘。随着Linux的应用日益广泛，特... http://www.qqread.com/mysql/u056110052.html WWW.QQREAD.COM http://www.qqread.com/mysql/u056110052.html MySql Sat, 13 May 2006 00:00:00 GMT How To Set Up A Load-Balanced MySQL Cluster Version 1.0 Author: Falko Timme ft [at] falkotimme [dot] com Last edited 03/27/2006This tutorial shows how to configure a MySQL 5 cluster with three nodes: two storage nodes and one management node.... http://www.qqread.com/mysql/u057110052.html WWW.QQREAD.COM http://www.qqread.com/mysql/u057110052.html MySql Sat, 13 May 2006 00:00:00 GMT 3 Set Up The MySQL Cluster Nodes (Storage Nodes)Now we install mysql-max-5.0.19 on both sql1.example.com and sql2.example.com:sql1.example.com / sql2.example.com: groupadd mysqluseradd -g mysql mysqlcd /usr/local/wget http://dev.mysql.com/get/Downloa... http://www.qqread.com/mysql/u058110052.html WWW.QQREAD.COM http://www.qqread.com/mysql/u058110052.html MySql Sat, 13 May 2006 00:00:00 GMT 4 Test The MySQL ClusterOur MySQL cluster configuration is already finished, now it's time to test it. On the cluster management server (loadb1.example.com), run the cluster management client ndb_mgm to check if the cluster nodes are connected:loadb1... http://www.qqread.com/mysql/u059110052.html WWW.QQREAD.COM http://www.qqread.com/mysql/u059110052.html MySql Sat, 13 May 2006 00:00:00 GMT 5 How To Restart The ClusterNow let's asume you want to restart the MySQL cluster, for example because you have changed /var/lib/mysql-cluster/config.ini on loadb1.example.com or for some other reason. To do this, you use the ndb_mgm cluster manageme... http://www.qqread.com/mysql/u060110052.html WWW.QQREAD.COM http://www.qqread.com/mysql/u060110052.html MySql Sat, 13 May 2006 00:00:00 GMT 6 Configure The Load BalancersOur MySQL cluster is finished now, and you could start using it now. However, we don't have a single IP address that we can use to access the cluster, which means you must configure your applications in a way that a part... http://www.qqread.com/mysql/u061110052.html WWW.QQREAD.COM http://www.qqread.com/mysql/u061110052.html MySql Sat, 13 May 2006 00:00:00 GMT 6.2 Configure heartbeat Next we configure heartbeat by creating three files (all three files must be identical on loadb1.example.com and loadb2.example.com):loadb1.example.com / loadb2.example.com:vi /etc/ha.d/ha.cflogfacilitylocal0bcasteth0mcast e... http://www.qqread.com/mysql/u062110052.html WWW.QQREAD.COM http://www.qqread.com/mysql/u062110052.html MySql Sat, 13 May 2006 00:00:00 GMT 6.4 Create A Database Called ldirectorNext we create the ldirector database on our MySQL cluster nodes sql1.example.com and sql2.example.com. This database will be used by our load balancers to check the availability of the MySQL cluster nodes.sql1.e... http://www.qqread.com/mysql/u063110052.html WWW.QQREAD.COM http://www.qqread.com/mysql/u063110052.html MySql Sat, 13 May 2006 00:00:00 GMT 7 Start The Load Balancer And Do Some TestingNow we can start our two load balancers for the first time:loadb1.example.com / loadb2.example.com:/etc/init.d/ldirectord stop/etc/init.d/heartbeat start If you don't see errors, you should now reboot both...