Struct MetricsSeries 

pub struct MetricsSeries { /* private fields */ }

Ring buffer of StoreMetrics snapshots for trend analysis.

Implementations

impl MetricsSeries

pub fn new(capacity: usize) -> Self

Create a new series with the given capacity.

pub fn record(&mut self, timestamp: u64, metrics: StoreMetrics)

Record a metrics snapshot at the given timestamp.

pub fn len(&self) -> usize

Number of snapshots stored.

pub fn is_empty(&self) -> bool

Whether the series is empty.

pub fn latest(&self) -> Option<&(u64, StoreMetrics)>

Get the most recent snapshot.

pub fn trend(&self) -> MetricsTrend

Compute trend analysis over the stored snapshots.