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年后招人吗？容器方向
about cgroup-oom
how can i generate kernel backtrace in http://hustcat.github.io/cgroup-oom/
Why IO utils can reach to 100% when xfs has performance issue
Hi:
无意中看到这个博客，很感谢作者高质量的文章。
看到这个文章https://github.com/hustcat/hustcat.github.io/blob/master/_posts/2015-04-08-xfs-performance-problem.md，有点不能理解，为什么xfs的性能问题，会导致磁盘的利用率计算出来是100%呢？
磁盘的利用率应该是从block layer开始的统计，如果xfs上产生性能问题，请求到不了block layer，理论上不应该是100%的使用率才对。不知道怎么理解这个数据呢？希望能够解惑下，谢谢。
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