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AcknowledgementPipelineConfig

hopr_transport_protocol::pipeline

Struct AcknowledgementPipelineConfig 

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pub struct AcknowledgementPipelineConfig {
    pub ack_buffer_interval: Duration,
    pub ack_grouping_capacity: usize,
    pub ticket_ack_buffer_size: usize,
    pub ack_out_buffer_size: usize,
    pub ack_input_concurrency: Option<usize>,
    pub ack_output_concurrency: Option<usize>,
}
Expand description

Configuration for the acknowledgement processing pipeline.

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§ack_buffer_interval: Duration

Interval for which to wait to buffer acknowledgements before sending them out.

Default is 200 ms.

§ack_grouping_capacity: usize

Initial capacity when grouping outgoing acknowledgements.

If set too low, it causes additional reallocations in the outgoing acknowledgement processing pipeline. The value should grow if ack_buffer_interval grows.

Default is 5.

§ticket_ack_buffer_size: usize

Capacity of the incoming_ack MPSC channel carrying received acknowledgements to the ticket-ack processing pipeline.

The previous hardcoded value of 1_000_000 pre-allocated ~MBs of ring buffer per node even though real-world throughput rarely saturates more than a few thousand entries. Let the 50 ms sink timeouts (QUEUE_SEND_TIMEOUT) propagate backpressure instead.

Default is 50_000.

§ack_out_buffer_size: usize

Capacity of the outgoing_ack MPSC channel carrying acknowledgements to be sent back to the previous hop.

Default is 50_000. See ticket_ack_buffer_size for the rationale on why this is smaller than the original hardcoded 1_000_000.

§ack_input_concurrency: Option<usize>

Maximum concurrency when processing incoming (received) acknowledgements.

None or Some(0) both fall back to a default of 10.

§ack_output_concurrency: Option<usize>

Maximum concurrency when processing outgoing (sent-back) acknowledgements.

None or Some(0) both fall back to a default of 10.

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impl Clone for AcknowledgementPipelineConfig

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fn clone(&self) -> AcknowledgementPipelineConfig

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for AcknowledgementPipelineConfig

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

Formats the value using the given formatter. Read more
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impl Default for AcknowledgementPipelineConfig

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fn default() -> Self

Return AcknowledgementPipelineConfig { ack_buffer_interval: default_ack_buffer_interval(), ack_grouping_capacity: default_ack_grouping_capacity(), ticket_ack_buffer_size: default_ticket_ack_buffer_size(), ack_out_buffer_size: default_ack_out_buffer_size(), ack_input_concurrency: Default::default(), ack_output_concurrency: Default::default() }

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impl<'de> Deserialize<'de> for AcknowledgementPipelineConfig

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fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>
where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more
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impl PartialEq for AcknowledgementPipelineConfig

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

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl Serialize for AcknowledgementPipelineConfig

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fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>
where __S: Serializer,

Serialize this value into the given Serde serializer. Read more
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impl Validate for AcknowledgementPipelineConfig

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fn validate(&self) -> Result<(), ValidationErrors>

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impl Copy for AcknowledgementPipelineConfig

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impl Eq for AcknowledgementPipelineConfig

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impl StructuralPartialEq for AcknowledgementPipelineConfig

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