Struct CostTracker 

pub struct CostTracker { /* private fields */ }

Tracks resource consumption during query execution

Implementations

impl CostTracker

pub fn new(budget: QueryBudget) -> Self

Create a new cost tracker with the given budget

pub fn add_ram_bytes(&self, bytes: u64) -> bool

Add RAM bytes consumed

pub fn add_ssd_random_read(&self) -> bool

Add SSD random read

pub fn add_ssd_sequential_bytes(&self, bytes: u64) -> bool

Add SSD sequential bytes

pub fn add_cpu_cycles(&self, cycles: u64) -> bool

Add CPU cycles

pub fn check_latency(&self) -> bool

Check if latency budget is exceeded

pub fn is_exhausted(&self) -> bool

Check if budget is exhausted

pub fn exhaustion_reason(&self) -> Option<BudgetExhaustionReason>

Get exhaustion reason if budget is exhausted

pub fn remaining_ram_bytes(&self) -> u64

Get remaining RAM bytes budget

pub fn remaining_ssd_random_reads(&self) -> u32

Get remaining SSD random reads budget

pub fn remaining_time(&self) -> Duration

Get remaining time budget

pub fn utilization(&self) -> CostUtilization

Get utilization ratios for all resources

pub fn summary(&self) -> CostSummary

Generate a summary for telemetry

Trait Implementations

impl Debug for CostTracker

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

Formats the value using the given formatter.