Struct PoolModeMetrics

Source

pub struct PoolModeMetrics {Show 13 fields
    pub acquires: AtomicU64,
    pub releases: AtomicU64,
    pub acquire_failures: AtomicU64,
    pub acquire_timeouts: AtomicU64,
    pub connections_created: AtomicU64,
    pub connections_closed: AtomicU64,
    pub connection_resets: AtomicU64,
    pub reset_failures: AtomicU64,
    pub transactions_completed: AtomicU64,
    pub statements_executed: AtomicU64,
    pub active_leases: AtomicU64,
    pub peak_active_leases: AtomicU64,
    pub queue_waits: AtomicU64,
    /* private fields */
}

Expand description

Connection pool metrics

Fields§

§acquires: AtomicU64

Total connections acquired

§releases: AtomicU64

Total connections released

§acquire_failures: AtomicU64

Connection acquire failures

§acquire_timeouts: AtomicU64

Acquire timeouts

§connections_created: AtomicU64

Connections created

§connections_closed: AtomicU64

Connections closed

§connection_resets: AtomicU64

Connection resets performed

§reset_failures: AtomicU64

Reset failures

§transactions_completed: AtomicU64

Total transactions completed

§statements_executed: AtomicU64

Total statements executed

§active_leases: AtomicU64

Current active leases

§peak_active_leases: AtomicU64

Peak active leases

§queue_waits: AtomicU64

Queue wait count (when pool exhausted)

Implementations§

Source §

impl PoolModeMetrics

Source

pub fn new() -> Self

Create new metrics instance

Source

pub fn record_acquire(&self, mode: PoolingMode)

Record a connection acquire

Source

pub fn record_release( &self, mode: PoolingMode, lease_duration_ms: u64, statements: u64, )

Record a connection release

Source

pub fn record_acquire_failure(&self)

Record an acquire failure

Source

pub fn record_acquire_timeout(&self)

Record an acquire timeout

Source

pub fn record_connection_created(&self)

Record connection creation

Source

pub fn record_connection_closed(&self)

Record connection close

Source

pub fn record_reset(&self, success: bool)

Record connection reset

Source

pub fn record_transaction_complete(&self)

Record transaction completion

Source

pub fn record_queue_wait(&self)

Record queue wait

Source

pub fn snapshot(&self) -> MetricsSnapshot

Get a snapshot of all metrics

Source

pub fn reset(&self)

Reset all metrics

Trait Implementations§

Source §

impl Debug for PoolModeMetrics

Source §

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

Formats the value using the given formatter. Read more

Source §

impl Default for PoolModeMetrics

Source §

fn default() -> Self

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

Auto Trait Implementations§

§

impl !UnwindSafe for PoolModeMetrics

Blanket Implementations§

Source §

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

Source §

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

Source §

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

Source §

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

Source §

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

Source §

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

Mutably borrows from an owned value. Read more

Source §

impl<T> From<T> for T

Source §

fn from(t: T) -> T

Returns the argument unchanged.

Source §

impl<T> Instrument for T

Source §

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

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

Source §

fn in_current_span(self) -> Instrumented<Self>

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

Source §

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

Source §

fn into(self) -> U

Calls U::from(self).

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

Source §

impl<T> IntoEither for T

Source §

fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

Source §

fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

Source §