Struct ydb_unofficial::generated::ydb::rate_limiter::HierarchicalDrrSettings

pub struct HierarchicalDrrSettings {
    pub max_units_per_second: f64,
    pub max_burst_size_coefficient: f64,
    pub prefetch_coefficient: f64,
    pub prefetch_watermark: f64,
}

Settings for hierarchical deficit round robin (HDRR) algorithm.

Fields

max_units_per_second: f64

Resource consumption speed limit. Value is required for root resource. 0 is equivalent to not set. Must be nonnegative.

max_burst_size_coefficient: f64

Maximum burst size of resource consumption across the whole cluster divided by max_units_per_second. Default value is 1. This means that maximum burst size might be equal to max_units_per_second. 0 is equivalent to not set. Must be nonnegative.

prefetch_coefficient: f64

Prefetch in local bucket up to prefetch_coefficient*max_units_per_second units (full size). Default value is inherited from parent or 0.2 for root. Disables prefetching if any negative value is set (It is useful to avoid bursts in case of large number of local buckets).

prefetch_watermark: f64

Prefetching starts if there is less than prefetch_watermark fraction of full local bucket left. Default value is inherited from parent or 0.75 for root. Must be nonnegative and less than or equal to 1.

Trait Implementations

impl Clone for HierarchicalDrrSettings

fn clone(&self) -> HierarchicalDrrSettings

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for HierarchicalDrrSettings

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

Formats the value using the given formatter.

impl Default for HierarchicalDrrSettings

fn default() -> HierarchicalDrrSettings

Returns the “default value” for a type.

impl Message for HierarchicalDrrSettings

fn encoded_len(&self) -> usize

Returns the encoded length of the message without a length delimiter.

fn clear(&mut self)

Clears the message, resetting all fields to their default.

fn encode<B>(&self, buf: &mut B) -> Result<(), EncodeError>where B: BufMut, Self: Sized,

Encodes the message to a buffer.

fn encode_to_vec(&self) -> Vec<u8, Global>where Self: Sized,

Encodes the message to a newly allocated buffer.

fn encode_length_delimited<B>(&self, buf: &mut B) -> Result<(), EncodeError>where B: BufMut, Self: Sized,

Encodes the message with a length-delimiter to a buffer.

fn encode_length_delimited_to_vec(&self) -> Vec<u8, Global>where Self: Sized,

Encodes the message with a length-delimiter to a newly allocated buffer.

fn decode<B>(buf: B) -> Result<Self, DecodeError>where B: Buf, Self: Default,

Decodes an instance of the message from a buffer.

fn decode_length_delimited<B>(buf: B) -> Result<Self, DecodeError>where B: Buf, Self: Default,

Decodes a length-delimited instance of the message from the buffer.

fn merge<B>(&mut self, buf: B) -> Result<(), DecodeError>where B: Buf, Self: Sized,

Decodes an instance of the message from a buffer, and merges it into self.

fn merge_length_delimited<B>(&mut self, buf: B) -> Result<(), DecodeError>where B: Buf, Self: Sized,

Decodes a length-delimited instance of the message from buffer, and merges it into self.

impl PartialEq<HierarchicalDrrSettings> for HierarchicalDrrSettings

fn eq(&self, other: &HierarchicalDrrSettings) -> bool

This method tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl StructuralPartialEq for HierarchicalDrrSettings