Struct mz_compute_client::controller::instance::ReplicaState

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struct ReplicaState<T: ComputeControllerTimestamp> {
    id: ReplicaId,
    client: ReplicaClient<T>,
    config: ReplicaConfig,
    metrics: ReplicaMetrics,
    introspection_tx: Sender<(IntrospectionType, Vec<(Row, Diff)>)>,
    collections: BTreeMap<GlobalId, ReplicaCollectionState<T>>,
    epoch: ClusterStartupEpoch,
}
Expand description

State maintained about individual replicas.

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§id: ReplicaId

The ID of the replica.

§client: ReplicaClient<T>

Client for the running replica task.

§config: ReplicaConfig

The replica configuration.

§metrics: ReplicaMetrics

Replica metrics.

§introspection_tx: Sender<(IntrospectionType, Vec<(Row, Diff)>)>

A channel through which introspection updates are delivered.

§collections: BTreeMap<GlobalId, ReplicaCollectionState<T>>

Per-replica collection state.

§epoch: ClusterStartupEpoch

The epoch of the replica.

Implementations§

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impl<T: ComputeControllerTimestamp> ReplicaState<T>

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fn new( id: ReplicaId, client: ReplicaClient<T>, config: ReplicaConfig, metrics: ReplicaMetrics, introspection_tx: Sender<(IntrospectionType, Vec<(Row, Diff)>)>, epoch: ClusterStartupEpoch, ) -> Self

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fn add_collection( &mut self, id: GlobalId, as_of: Antichain<T>, input_read_holds: Vec<ReadHold<T>>, )

Add a collection to the replica state.

§Panics

Panics if a collection with the same ID exists already.

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fn remove_collection( &mut self, id: GlobalId, ) -> Option<ReplicaCollectionState<T>>

Remove state for a collection.

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fn collection_frontiers_empty(&self, id: GlobalId) -> bool

Returns whether all replica frontiers of the given collection are empty.

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pub fn dump(&self) -> Result<Value, Error>

Returns the state of the ReplicaState formatted as JSON.

The returned value is not guaranteed to be stable and may change at any point in time.

Trait Implementations§

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impl<T: Debug + ComputeControllerTimestamp> Debug for ReplicaState<T>

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

Formats the value using the given formatter. Read more

Auto Trait Implementations§

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impl<T> Freeze for ReplicaState<T>

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impl<T> !RefUnwindSafe for ReplicaState<T>

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impl<T> Send for ReplicaState<T>

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impl<T> Sync for ReplicaState<T>

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impl<T> Unpin for ReplicaState<T>

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impl<T> !UnwindSafe for ReplicaState<T>

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