pub struct ByteBudgetConfig {
pub start_bytes: u64,
pub max_bytes: u64,
pub floor_records: u64,
pub nominal_record_bytes: u64,
pub target_rho: f64,
pub ai_step: u64,
pub md_factor: f64,
pub ema_alpha: f64,
pub record_cap: usize,
}Available on crate feature
governor only.Expand description
Configuration for the ByteBudgetController.
All byte values are in bytes. The controller starts at start_bytes
and moves between min_bytes (derived from floor_records) and
max_bytes.
Fields§
§start_bytes: u64Initial budget. Starts BIG so a cold pipeline is not throttled.
max_bytes: u64Hard ceiling on the budget (additive-increase saturates here).
floor_records: u64Floor in records: the budget never drops below
floor_records * nominal_record_bytes (and never below 1 byte).
nominal_record_bytes: u64Nominal per-record size used to derive the byte floor from
floor_records. Record sizes vary at runtime; this is only the
floor estimate, not a live measurement.
target_rho: f64Target utilisation rho in (0, 1). Default 0.7.
ai_step: u64Additive-increase step (bytes added per slack observation).
md_factor: f64Multiplicative-decrease factor in (0, 1). Default e.g. 0.5.
ema_alpha: f64EMA smoothing factor in (0, 1] for the timing signals.
record_cap: usizePoll-safety cap on record count, independent of the byte budget. A tiny-record flood cannot blow the count even within budget.
Trait Implementations§
Source§impl Clone for ByteBudgetConfig
impl Clone for ByteBudgetConfig
Source§fn clone(&self) -> ByteBudgetConfig
fn clone(&self) -> ByteBudgetConfig
Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from
source. Read moreimpl Copy for ByteBudgetConfig
Source§impl Debug for ByteBudgetConfig
impl Debug for ByteBudgetConfig
Auto Trait Implementations§
impl Freeze for ByteBudgetConfig
impl RefUnwindSafe for ByteBudgetConfig
impl Send for ByteBudgetConfig
impl Sync for ByteBudgetConfig
impl Unpin for ByteBudgetConfig
impl UnsafeUnpin for ByteBudgetConfig
impl UnwindSafe for ByteBudgetConfig
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