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PoolMetrics

network_protocol::service::pool

Struct PoolMetrics

pub struct PoolMetrics {
    pub connections_created: AtomicU64,
    pub connections_reused: AtomicU64,
    pub connections_evicted: AtomicU64,
    pub acquisition_errors: AtomicU64,
    pub active_connections: AtomicUsize,
    pub idle_connections: AtomicUsize,
    pub total_wait_time_us: AtomicU64,
    pub total_acquisitions: AtomicU64,
}

Expand description

Pool metrics for monitoring and capacity planning

Fields§

§connections_created: AtomicU64

Total connections created

§connections_reused: AtomicU64

Total connections reused from pool

§connections_evicted: AtomicU64

Total connections evicted (expired/unhealthy)

§acquisition_errors: AtomicU64

Total acquisition errors

§active_connections: AtomicUsize

Current active (checked out) connections

§idle_connections: AtomicUsize

Current idle (in pool) connections

§total_wait_time_us: AtomicU64

Total wait time in microseconds (for avg calculation)

§total_acquisitions: AtomicU64

Total successful acquisitions

Implementations§

impl PoolMetrics

pub fn new() -> Self

pub fn average_wait_time_us(&self) -> u64

pub fn utilization_percent(&self) -> f64

Trait Implementations§

impl Debug for PoolMetrics

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

Formats the value using the given formatter. Read more

impl Default for PoolMetrics

fn default() -> PoolMetrics

Returns the “default value” for a type. Read more

Auto Trait Implementations§

impl !Freeze for PoolMetrics

impl RefUnwindSafe for PoolMetrics

impl Send for PoolMetrics

impl Sync for PoolMetrics

impl Unpin for PoolMetrics

impl UnsafeUnpin for PoolMetrics

impl UnwindSafe for PoolMetrics

Blanket Implementations§

impl<T> Any for T
where T: 'static + ?Sized,

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

impl<T> Borrow<T> for T
where T: ?Sized,

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for T
where T: ?Sized,

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

impl<T> From<T> for T

fn from(t: T) -> T

Returns the argument unchanged.

impl<T> Instrument for T

fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more

fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

impl<T, U> Into<U> for T
where U: From<T>,

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

impl<T> Same for T

type Output = T

Should always be Self

impl<T, U> TryFrom<U> for T
where U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.

impl<T> WithSubscriber for T

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more

fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more