Struct BackendMetrics 

pub struct BackendMetrics { /* private fields */ }

Metrics for storage backends.

Implementations

impl BackendMetrics

pub fn new(id: &str, backend_type: &str) -> Arc<Self>

Create a BackendMetrics object for a storage backend.

pub fn release(&self) -> Result<(), MetricsError>

Release a BackendMetrics object for a storage backend.

pub fn begin(&self) -> SystemTime

Mark starting of an IO operations.

pub fn end(&self, begin: &SystemTime, size: usize, error: bool)

Mark ending of an IO operations.

Trait Implementations

impl Debug for BackendMetrics

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

Formats the value using the given formatter.

impl Default for BackendMetrics

fn default() -> BackendMetrics

Returns the “default value” for a type.

impl Serialize for BackendMetrics

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

where __S: Serializer,

Serialize this value into the given Serde serializer.