Struct CompressionMetrics 

pub struct CompressionMetrics {
    pub raw_bytes: u64,
    pub encoded_bytes: u64,
    pub message_count: u64,
    pub encoding_distribution: HashMap<EncodingType, u64>,
    pub prediction_hits: u64,
    pub prediction_misses: u64,
}

Compression statistics collector

Fields

raw_bytes: u64

Total raw bytes (before compression)

encoded_bytes: u64

Total encoded bytes (after compression)

message_count: u64

Number of messages processed

encoding_distribution: HashMap<EncodingType, u64>

Encoding type distribution

prediction_hits: u64

Prediction hits (value matched prediction)

prediction_misses: u64

Prediction misses

Implementations

impl CompressionMetrics

pub fn new() -> Self

Create new metrics collector

pub fn record_encode( &mut self, raw_size: usize, encoded_size: usize, encoding: EncodingType, )

Record an encoding operation

pub fn record_prediction(&mut self, hit: bool)

Record a prediction result

pub fn compression_ratio(&self) -> f64

Calculate compression ratio (higher = better) Returns raw_size / encoded_size

pub fn space_savings_percent(&self) -> f64

Calculate space savings percentage Returns (1 - encoded/raw) * 100

pub fn prediction_accuracy(&self) -> f64

Calculate prediction accuracy (0.0 - 1.0)

pub fn most_used_encoding(&self) -> Option<EncodingType>

Get most used encoding type

pub fn average_message_size(&self) -> f64

Get average message size in bytes

pub fn reset(&mut self)

Reset all metrics

pub fn report(&self) -> String

Generate a human-readable report

Trait Implementations

impl Clone for CompressionMetrics

fn clone(&self) -> CompressionMetrics

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for CompressionMetrics

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

Formats the value using the given formatter.

impl Default for CompressionMetrics

fn default() -> CompressionMetrics

Returns the “default value” for a type.