Enum conjure_runtime::NodeSelectionStrategy

#[non_exhaustive]
pub enum NodeSelectionStrategy {
    PinUntilError,
    PinUntilErrorWithoutReshuffle,
    Balanced,
}

Specifies the strategy used to select a node of a service to use for a request attempt.

Variants (Non-exhaustive)

Non-exhaustive enums could have additional variants added in future. Therefore, when matching against variants of non-exhaustive enums, an extra wildcard arm must be added to account for any future variants.

PinUntilError

Pin to a single host as long as it continues to successfully respond to requests.

If the pinned node fails to successfully respond, the client will rotate through the other nodes until it finds one that can successfully respond and then pin to that new node. The pinned node will also be randomly rotated periodically to help spread load across the cluster.

This is the default behavior.

PinUntilErrorWithoutReshuffle

Like PinUntilError except that the pinned node is never randomly shuffled.

Balanced

For each new request, select the “next” node (in some unspecified order).

Trait Implementations

impl Clone for NodeSelectionStrategy

fn clone(&self) -> NodeSelectionStrategy

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for NodeSelectionStrategy

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

Formats the value using the given formatter.

impl PartialEq for NodeSelectionStrategy

fn eq(&self, other: &NodeSelectionStrategy) -> 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 Copy for NodeSelectionStrategy

impl Eq for NodeSelectionStrategy

impl StructuralPartialEq for NodeSelectionStrategy