Struct MemoryConfig 

pub struct MemoryConfig {
    pub budget_bytes: usize,
    pub temp_directory: PathBuf,
    pub spill_threshold: f64,
    pub target_partition_bytes: usize,
}

Configuration for memory-bounded execution

Fields

budget_bytes: usize

Total memory budget for query execution

temp_directory: PathBuf

Directory for spill files (defaults to system temp)

spill_threshold: f64

Threshold at which to trigger spilling (0.0 - 1.0)

target_partition_bytes: usize

Target size for each partition in external operators

Implementations

impl MemoryConfig

pub fn with_budget(budget_bytes: usize) -> Self

Create a new configuration with the specified budget

pub fn with_temp_dir(self, path: PathBuf) -> Self

Create a configuration with a specific temp directory

pub fn with_spill_threshold(self, threshold: f64) -> Self

Set the spill threshold (0.0 - 1.0)

Trait Implementations

impl Clone for MemoryConfig

fn clone(&self) -> MemoryConfig

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for MemoryConfig

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

Formats the value using the given formatter.

impl Default for MemoryConfig

fn default() -> Self

Returns the “default value” for a type.