Struct LatencyStats 

pub struct LatencyStats { /* private fields */ }

延迟统计：为每个 slave 维护一份独立的 LatencySnapshot

Implementations

impl LatencyStats

pub fn new() -> Self

pub fn record(&self, slave: &str, latency: Duration)

记录一次 slave 的请求延迟

pub fn snapshot(&self, slave: &str) -> LatencySnapshot

返回某个 slave 的快照副本

pub fn all(&self) -> Vec<(String, LatencySnapshot)>

列出所有 slave 的快照

pub fn reset(&self, slave: &str)

重置某个 slave 的统计

Trait Implementations

impl Debug for LatencyStats

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for LatencyStats

fn default() -> LatencyStats

Returns the “default value” for a type.