压缩无止境,xz小胜bzip2, 大胜gzip

获悉, With typical files, XZ Utils create 30 % smaller output than gzip and 15 % smaller output than bzip2.

测试如下:

普通文本:all-db-data-201310.sql / 3147104

compressed by zip: 732943,

compressed by gzip:  732790,  less than orig at 23.28%

by bzip2: 593504, less than orig at 18.86%, smaller than gzip by 19.01%

by xz: 526584, less than orig at 16.73%, smaller than gzip by 28.14%, smaller than bzip2 by  11.28%.

xz介绍自己基本属实,值得在新的系统维护中使用和部署。

 

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