以下内容参考官方文档:http://dev.mysql.com/doc/refman/5.7/en/windows-start-command-line.html 解压缩zip到D:\mysql-5.7.13-winx64,建立data目录D:\mysql-5.7.13-winx64\data, 在D:\mysql-5.7.13-winx64创建配置文件my.ini,详见: [mysqld] # set basedir to your installation path basedir=D:\m
对于实践中可能出现的各种General Thread States 以下列表描述了与常规查询处理关联的线程状态值,而不是更复杂的活动,例如复制. 其中许多仅用于在服务器中查找错误. after create This occurs when the thread creates a table (including internal temporary tables), at the end of the function that creates the table. This state i
不同存储引擎中关键参数优化 MyISAM存储引擎 MyISAM存储引擎适用于读多写少,对读性能要求比较高的系统 官方文档:http://dev.mysql.com/doc/refman/5.6/en/myisam-storage-engine.html Key_buffer_size,可以设置为内存的30%-40%左右.通过show variables like ‘%key_buffer_size%’; 通过 show global status like ‘%key_blocks_unused
svn 备份后双机同步热备失效,提示 W200007 target server does not support atomic revision property edits; consider upgrading it to 1.7 or using an external locking program svnsync: E170009: Repository UUID 'xxxx' doesn't match expected UUID 'yyyyy' 解决方式: step 1 先查看当
org.xml.sax.helpers.DefaultHandler 实现了 org.xml.sax.EntityResolver.org.xml.sax.DTDHandler.org.xml.sax.ContentHandler 和 org.xml.sax.ErrorHandler,并提供了默认的实现方法(不做任何操作). ContentHandler setDocumentLocator Receive an object for locating the origin of SAX doc