Home Database Mysql Tutorial 用SQL Storage Compress压缩SQL Server数据库文件

用SQL Storage Compress压缩SQL Server数据库文件

Jun 07, 2016 pm 04:18 PM
compress server storage compression database

Rea Hat提供了类似的工具SQL Storage Compress,而且号称可以达到90%的压缩比。SQL Storage Compress提供14天的使用版,下载后安装会启动HyperBac Control Service。这个服务配合Windows I/O Manager将SQLServer的读写请求压缩或者解压缩,对于SQL Server用

  Rea Hat提供了类似的工具SQL Storage Compress,而且号称可以达到90%的压缩比。SQL Storage Compress提供14天的使用版,下载后安装会启动HyperBac Control Service。这个服务配合Windows I/O Manager将SQLServer的读写请求压缩或者解压缩,对于SQL Server用户没有任何影响。工作原理见下图:

用SQL Storage Compress压缩SQL Server数据库文件

  SQLStorage Compress可以压缩MDF, LDF, NDF文件,但是只是针对于文件的,不能针对单表或者单个索引。备份和还原跟一般的SQL Server操作相同,不提供压缩备份。

  SQLStorage Compress提供了GUI可以让用户通过还原或者T-SQL将数据库备份还原将数据库转为压缩数据库。下面是我做的一个测试,大概压缩了50%。

  操作界面如下:

用SQL Storage Compress压缩SQL Server数据库文件

用SQL Storage Compress压缩SQL Server数据库文件

用SQL Storage Compress压缩SQL Server数据库文件

  做了一下数据测试,插入1000000数据,,启用压缩的数据库花费了6分钟,没有启用压缩的数据库竟然跑了6分钟都没跑完,可能是我的IO不够好啊,在服务器上用SQL Server自带的压缩,要比不启用压缩的表插入数据慢。

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