benchmark: add sysbench 2.0 vs. 1.0 (#444)
benchmark: add sysbench 2.0 vs. 1.0 (#444)

* benchmark: add sysbench 2.0 vs. 1.0

via: https://github.com/pingcap/docs-cn/pull/699

* Update sysbench-v2.md

* Update sysbench-v2.md

* Update sysbench-v2.md

pingcap/docs,pingcap/docs,pingcap/docs