Struct BufferManagerConfig 

pub struct BufferManagerConfig {
    pub budget: usize,
    pub soft_limit_fraction: f64,
    pub evict_limit_fraction: f64,
    pub hard_limit_fraction: f64,
    pub background_eviction: bool,
    pub spill_path: Option<PathBuf>,
}

Configuration for the buffer manager.

Fields

budget: usize

Total memory budget in bytes.

soft_limit_fraction: f64

Soft limit threshold (default: 70%).

evict_limit_fraction: f64

Eviction threshold (default: 85%).

hard_limit_fraction: f64

Hard limit threshold (default: 95%).

background_eviction: bool

Enable background eviction thread.

spill_path: Option<PathBuf>

Directory for spilling data to disk.

Implementations

impl BufferManagerConfig

pub fn detect_system_memory() -> usize

Detects system memory size.

Returns a conservative estimate if detection fails.

pub fn with_budget(budget: usize) -> Self

Creates a config with the given budget.

Trait Implementations

impl Clone for BufferManagerConfig

fn clone(&self) -> BufferManagerConfig

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for BufferManagerConfig

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

Formats the value using the given formatter.

impl Default for BufferManagerConfig

fn default() -> Self

Returns the “default value” for a type.