Skip to main content

MemoryStats

cqlite_core::memory

Struct MemoryStats

pub struct MemoryStats {
    pub block_cache_hits: u64,
    pub block_cache_misses: u64,
    pub row_cache_hits: u64,
    pub row_cache_misses: u64,
    pub total_memory_used: usize,
    pub buffer_allocations: u64,
    pub buffer_deallocations: u64,
}

Expand description

Memory statistics

Fields§

§block_cache_hits: u64

Block cache hits

§block_cache_misses: u64

Block cache misses

§row_cache_hits: u64

Row cache hits

§row_cache_misses: u64

Row cache misses

§total_memory_used: usize

Total memory used

§buffer_allocations: u64

Buffer pool allocations

§buffer_deallocations: u64

Buffer pool deallocations

Implementations§

impl MemoryStats

pub fn block_cache_hit_rate(&self) -> f64

Calculate block cache hit rate

pub fn row_cache_hit_rate(&self) -> f64

Calculate row cache hit rate

Trait Implementations§

impl Clone for MemoryStats

fn clone(&self) -> MemoryStats

Returns a duplicate of the value. Read more

1.0.0 (const: unstable) · Source§

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

Performs copy-assignment from source. Read more

impl Debug for MemoryStats

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

Formats the value using the given formatter. Read more

impl Default for MemoryStats

fn default() -> MemoryStats

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

Auto Trait Implementations§

impl Freeze for MemoryStats

impl RefUnwindSafe for MemoryStats

impl Send for MemoryStats

impl Sync for MemoryStats

impl Unpin for MemoryStats

impl UnsafeUnpin for MemoryStats

impl UnwindSafe for MemoryStats

Blanket Implementations§

impl<T> Allocation for T
where T: RefUnwindSafe + Send + Sync,

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<ST, DT> CastableFrom<ST, Initialized, Initialized> for DT
where ST: ?Sized, DT: ?Sized,

impl<ST, DT> CastableFrom<ST, Uninit, Uninit> for DT
where ST: ?Sized, DT: ?Sized,

impl<T> CloneToUninit for T
where T: Clone,

unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)

Performs copy-assignment from self to dest. Read more

impl<T> From<T> for T

fn from(t: T) -> T

Returns the argument unchanged.

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> Pointable for T

const ALIGN: usize

The alignment of pointer.

type Init = T

The type for initializers.

unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more

unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more

unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more

unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more

impl<T> Read<Exclusive, BecauseExclusive> for T
where T: ?Sized,

impl<T> ToOwned for T
where T: Clone,

type Owned = T

The resulting type after obtaining ownership.

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more

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.