guodongxiaren opened a new issue #1225:
URL: https://github.com/apache/incubator-brpc/issues/1225
**Is your feature request related to a problem? (你需要的功能是否与某个问题有关?)**
不用生产环境来dump流量。用的非生产环境，但是非生产环境的流量很小。想dump流量貌似很慢。
**Describe the solution you'd like (描述你期望的解决方法)**
调节一下随机策略。加一个控制因子
```c
inline size_t is_collectable(CollectorSpeedLimit* speed_limit) {
if (speed_limit->ever_grabbed) { // most common case
const size_t sampling_range = speed_limit->sampling_range;
// fast_rand is faster than fast_rand_in
if ((butil::fast_rand() & (COLLECTOR_SAMPLING_BASE - 1)) >=
sampling_range) {
return 0;
}
return sampling_range;
}
// Slower, only runs before -bvar_collector_expected_per_second samples
are
// collected to calculate a more reasonable sampling_range for the type.
extern size_t
is_collectable_before_first_time_grabbed(CollectorSpeedLimit*);
return is_collectable_before_first_time_grabbed(speed_limit);
}
```
这个sampling_range 能不能是通过控制因子计算的。
**Describe alternatives you've considered (描述你想到的折衷方案)**
**Additional context/screenshots (更多上下文/截图)**
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