Struct QueueConfig 

pub struct QueueConfig {
    pub enabled: bool,
    pub max_size: u32,
    pub max_wait_seconds: u64,
}

Configuration for request queuing when backends are saturated.

The request queue holds incoming requests when all backends are at capacity, preventing immediate 503 rejections for burst traffic.

Example

[queue]
enabled = true
max_size = 100
max_wait_seconds = 30

Fields

enabled: bool

Whether request queuing is enabled.

Default: true When false, saturated requests immediately return 503.

max_size: u32

Maximum number of queued requests.

Default: 100 When max_size is 0, queuing is disabled (equivalent to enabled=false). When queue is full, new requests immediately return 503.

max_wait_seconds: u64

Maximum wait time for queued requests in seconds.

Default: 30 seconds Requests exceeding this timeout return 503 with retry_after header.

Implementations

impl QueueConfig

pub fn is_enabled(&self) -> bool

Check if queuing is effectively enabled.

Queuing is disabled if either enabled=false or max_size=0.

Trait Implementations

impl Clone for QueueConfig

fn clone(&self) -> QueueConfig

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for QueueConfig

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

Formats the value using the given formatter.

impl Default for QueueConfig

fn default() -> Self

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for QueueConfig

where QueueConfig: Default,

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for QueueConfig

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

where __S: Serializer,

Serialize this value into the given Serde serializer.