Struct ReplicaHealth 

pub struct ReplicaHealth {
    pub id: String,
    pub status: HealthStatus,
    pub lag: Option<Duration>,
    pub last_check: Option<Instant>,
    pub latency: Option<Duration>,
    pub consecutive_failures: u32,
}

Health information for a replica.

Fields

id: String

Replica ID.

status: HealthStatus

Current health status.

lag: Option<Duration>

Current replication lag (if known).

last_check: Option<Instant>

Last successful health check.

latency: Option<Duration>

Response latency.

consecutive_failures: u32

Consecutive failures.

Implementations

impl ReplicaHealth

pub fn new(id: impl Into<String>) -> Self

Create a new health record.

pub fn mark_healthy(&mut self, latency: Duration, lag: Option<Duration>)

Mark as healthy.

pub fn mark_degraded(&mut self, reason: &str)

Mark as degraded.

pub fn mark_unhealthy(&mut self)

Mark as unhealthy.

pub fn is_usable(&self) -> bool

Check if replica is usable for queries.

Trait Implementations

impl Clone for ReplicaHealth

fn clone(&self) -> ReplicaHealth

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ReplicaHealth

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

Formats the value using the given formatter.