Redis是一个很是NB的内存级的数据库,咱们能够把不少”热数据“(即读写很是多的数据)放入其中来操做,这样就减小了和关系型数据库(如SqlServer/My Sql等)之间的交互,程序的响应速度也大大提高。mysql
C#利用ServiceStack.Redis来操做Redis,它是Redis官方推荐的C#客户端,性能很是优越,使用也很方便。git
ServiceStack.LicenseException: The free-quota limit on '6000 Redis requests per hour' has been reached. Please see https://servicestack.net to upgrade to a commercial license or visit https://github.cgithub
开始本地测试的时候并无发现,由于咱们的数据量小,每小时访问Redis次数也少,可是到了服务器上发现总是报这个错误:redis
The free-quota limit on '6000 Redis requests per hour' has been reached. Please see https://servicestack.NET to upgrade to a commercial license.sql
在ServiceStack的官网(https://servicestack.Net/download)上看到了关于这个错误的说明:原来ServiceStack v4版本已经逐渐商业化了,普通版每小时智能访问Redis6000次,要取消这个限制就要付费或者您也能够往回使用V3版本。数据库