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submodule
brpc
Commits
0d03b1c4
Commit
0d03b1c4
authored
Sep 22, 2017
by
Zhangyi Chen
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Translated vars.md
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docs/cn/vars.md
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@@ -48,7 +48,7 @@ bthread_worker_usage : 1.01056
x%分位值(percentile)是指把一段时间内的N个统计值排序,排在第N
* x%位的值就是x%分位值。比如一段时间内有1000个值,排在第500位(1000 *
50%)的值是50%分位值(即中位数),排在第990位的是99%分位值(1000
*
99%),排在第999位的是99.9%分位值。分位值能比平均值更准确的刻画数值分布,对衡量系统SLA有重要意义。对于最常见的延时统计,平均值很难反映出实质性的内容,99.9%分位值往往更加关键,它决定了系统能做什么。
分位值可以绘制为CDF曲线和按时间变化
时间
。
分位值可以绘制为CDF曲线和按时间变化
的曲线
。
![
img
](
../images/vars_4.png
)
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docs/en/vars.md
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