Struct CacheMetrics 

pub struct CacheMetrics {
    pub hits: u64,
    pub misses: u64,
    pub evictions: u64,
    pub bytes_evicted: usize,
}

Cache metrics for monitoring

Fields

hits: u64

Number of cache hits (partition already loaded)

misses: u64

Number of cache misses (partition needed loading)

evictions: u64

Number of partitions evicted

bytes_evicted: usize

Total bytes evicted

Implementations

impl CacheMetrics

pub fn hit_rate(&self) -> f64

Get hit rate as a percentage (0.0 - 1.0)

pub fn record_hit(&mut self)

Record a cache hit

pub fn record_miss(&mut self)

Record a cache miss

pub fn record_eviction(&mut self, bytes: usize)

Record an eviction

Trait Implementations

impl Clone for CacheMetrics

fn clone(&self) -> CacheMetrics

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for CacheMetrics

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

Formats the value using the given formatter.

impl Default for CacheMetrics

fn default() -> CacheMetrics

Returns the “default value” for a type.