Struct CacheStats 

pub struct CacheStats {

    pub l1_hits: u64,
    pub l1_misses: u64,
    pub l2_hits: u64,
    pub l2_misses: u64,
    pub l1_sets: u64,
    pub l2_sets: u64,
    pub l1_deletes: u64,
    pub l2_deletes: u64,
    pub total_operations: u64,
    pub l1_item_count: u64,
    pub l1_capacity_used: u64,
    pub prefetch_count: u64,
    pub compression_count: u64,
    pub compression_bytes_saved: u64,
    pub timestamp: DateTime<Utc>,
}

缓存统计快照

包含缓存系统的详细统计信息，用于监控和报告。

Fields

l1_hits: u64

L1 命中次数

l1_misses: u64

L1 未命中次数

l2_hits: u64

L2 命中次数

l2_misses: u64

L2 未命中次数

l1_sets: u64

L1 设置次数

l2_sets: u64

L2 设置次数

l1_deletes: u64

L1 删除次数

l2_deletes: u64

L2 删除次数

total_operations: u64

总操作次数

l1_item_count: u64

L1 缓存项数量

l1_capacity_used: u64

L1 容量使用（字节）

prefetch_count: u64

预取操作次数

compression_count: u64

压缩操作次数

compression_bytes_saved: u64

压缩节省的字节数

timestamp: DateTime<Utc>

快照创建时间戳

Implementations

impl CacheStats

pub fn l1_hit_rate(&self) -> f64

计算 L1 命中率

pub fn l2_hit_rate(&self) -> f64

计算 L2 命中率

pub fn overall_hit_rate(&self) -> f64

计算总体命中率

pub fn l1_hit_rate_percent(&self) -> String

获取命中率百分比字符串

pub fn l2_hit_rate_percent(&self) -> String

获取 L2 命中率百分比字符串

pub fn overall_hit_rate_percent(&self) -> String

获取总体命中率百分比字符串

pub fn export_prometheus(&self) -> String

导出为 Prometheus 格式

pub fn export_json(&self) -> Result<String, Error>

导出为 JSON 格式

Trait Implementations

impl Clone for CacheStats

fn clone(&self) -> CacheStats

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for CacheStats

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

Formats the value using the given formatter.

impl Default for CacheStats

fn default() -> CacheStats

Returns the “default value” for a type.

impl Serialize for CacheStats

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.