Struct MemoryTracker 

pub struct MemoryTracker { /* private fields */ }

Concurrent, exact accounting for memory explicitly owned by a stream.

Reservations fail before the configured hard limit is exceeded. Dropping a MemoryReservation releases its bytes, including during error unwinding.

Implementations

impl MemoryTracker

pub fn new(budget: MemoryBudget) -> Self

Creates a tracker for budget.

pub fn try_reserve(&self, bytes: u64) -> RecordsResult<MemoryReservation>

Atomically reserves bytes or fails without changing the current count.

pub fn snapshot(&self) -> MemorySnapshot

Returns an atomic snapshot of current, peak, and limit bytes.

Trait Implementations

impl Clone for MemoryTracker

fn clone(&self) -> MemoryTracker

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for MemoryTracker

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

Formats the value using the given formatter.