Struct QueryCacheStats 

pub struct QueryCacheStats {
    pub total_queries: AtomicU64,
    pub cache_hits: AtomicU64,
    pub cache_misses: AtomicU64,
    pub expired_removed: AtomicU64,
    pub evicted_entries: AtomicU64,
    pub current_cache_size: AtomicUsize,
    pub estimated_memory_bytes: AtomicUsize,
    pub hit_rate: f32,
    pub avg_time_saved_ms: f32,
    /* private fields */
}

Cache statistics using atomic operations

Fields

total_queries: AtomicU64

Total number of queries processed (atomic)

cache_hits: AtomicU64

Number of cache hits (atomic)

cache_misses: AtomicU64

Number of cache misses (atomic)

expired_removed: AtomicU64

Number of expired entries removed (atomic)

evicted_entries: AtomicU64

Number of entries evicted due to size limit (atomic)

current_cache_size: AtomicUsize

Current cache size (atomic)

estimated_memory_bytes: AtomicUsize

Memory usage estimation in bytes (atomic)

hit_rate: f32

Hit rate percentage (computed)

avg_time_saved_ms: f32

Average query processing time saved (ms)

Implementations

impl QueryCacheStats

pub fn new() -> Self

Create new empty statistics

pub fn record_hit(&self, similarity: f32)

Record a cache hit (via CAS)

pub fn record_miss(&self)

Record a cache miss

pub fn avg_hit_similarity(&self) -> f32

Get average hit similarity

pub fn snapshot(&self) -> QueryCacheStatsSnapshot

Get snapshot of current stats

Trait Implementations

impl Debug for QueryCacheStats

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

Formats the value using the given formatter.

impl Default for QueryCacheStats

fn default() -> Self

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for QueryCacheStats

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for QueryCacheStats

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

where __S: Serializer,

Serialize this value into the given Serde serializer.