总体参考：http://www.cnblogs.com/zhangs1986/p/6564839.html搭建之间同步下spark01、02、03的环境复制/opt/flume这个文件夹到spark02的/opt目录下，同理03scpr/opt/flume/spark02:/opt/scpr/opt/kafka/spar

mysql数据库的安装：选择typical类型》install》next》next》configuretehmysqlservernow打勾点击finishdetailedconfigurationdevelopermachinemultifunctionaldatabasedecisionsupport(dss)/o

问题描述:IDEA连接本地mysql失败Connectiontolanyuekeji@localhostfailed.\08001\Couldnotcreateconnectiontodatabaseserver.Attemptedreconnect3times.Givingup.!(https://

MySQL 版本信息：root@db02~mysqlversionmysqlVer14.14Distrib5.6.36,forLinux(x86_64)usingEditLinewrapperUsage:    

ReplicationDriver针对Master/Slave，Mysqljdbcdrivrer:ReplicationDriverhttps://dev.mysql.com/doc/connectorj/8.0/en/connectorjmasterslavereplicationconnection.html(ht

MySQL版本信息：root@db02datamysqlversionmysqlVer14.14Distrib5.6.36,forLinux(x86_64)usingEditLinewrapper选项：\A

mysql之配置 客服端部分clientnobeep pipe socketmysqlport3306mysqldefaultcharactersetutf8 服务器部分mysqld

出现问题：Errorqueryingdatabase. Cause:com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException:InaggregatedquerywithoutGROUPBY,expression2ofSELECTlistcontainsnonagg

最新博客站点：欢迎来访(https://www.oschina.net/action/GoToLink?urlhttps%3A%2F%2Fwww.knightboy.cn%2F)1\.浏览器加载(1)同步加载    在网页中，浏览器加载js文件的方式是通过<script标签。如下所示：//

Redis的主从复制是如何工作的？如何在同步数据的同时，还保持着高性能，你了解吗？https://redis.io/topics/replication(https://www.oschina.net/action/GoToLink?urlhttps%3A%2F%2Fredis.io%2Ftopics%2Freplication)