Struct CacheMetrics 

pub struct CacheMetrics { /* private fields */ }

Cache metrics collector

Implementations

impl CacheMetrics

pub fn new() -> Self

Create a new metrics collector

pub fn record_hit(&self, level: CacheLevel, latency: Duration)

Record a cache hit

pub fn record_miss(&self, _latency: Duration)

Record a cache miss

pub fn record_skip(&self)

Record a cache skip (due to hint)

pub fn record_put(&self)

Record a cache put

pub fn record_invalidation(&self, table_count: usize)

Record cache invalidation

pub fn record_clear(&self)

Record cache clear

pub fn record_size_exceeded(&self)

Record size exceeded rejection

pub fn record_eviction(&self, level: CacheLevel)

Record eviction for a cache level

pub fn set_entry_count(&self, level: CacheLevel, count: u64)

Update entry count for a cache level

pub fn set_memory_bytes(&self, level: CacheLevel, bytes: u64)

Update memory usage for a cache level

pub fn snapshot(&self) -> CacheStatsSnapshot

Get a snapshot of current metrics

pub fn total_hits(&self) -> u64

Get total hit count

pub fn total_misses(&self) -> u64

Get total miss count

pub fn hit_rate(&self) -> f64

Calculate hit rate percentage

Trait Implementations

impl Debug for CacheMetrics

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

Formats the value using the given formatter.

impl Default for CacheMetrics

fn default() -> Self

Returns the “default value” for a type.