Struct mz_compute_client::controller::instance::HydrationState
source · struct HydrationState {
replica_id: ReplicaId,
collection_id: GlobalId,
hydrated: bool,
operators: BTreeMap<(NodeId, usize), bool>,
introspection_tx: Sender<(IntrospectionType, Vec<(Row, Diff)>)>,
}
Expand description
Maintains both global and operator-level hydration introspection for a given replica and collection, and ensures that reported introspection data is retracted when the flag is dropped.
Fields§
§replica_id: ReplicaId
The ID of the replica.
collection_id: GlobalId
The ID of the compute collection.
hydrated: bool
Whether the collection is hydrated.
operators: BTreeMap<(NodeId, usize), bool>
Operator-level hydration state. (lir_id, worker_id) -> hydrated
introspection_tx: Sender<(IntrospectionType, Vec<(Row, Diff)>)>
A channel through which introspection updates are delivered.
Implementations§
source§impl HydrationState
impl HydrationState
sourcefn new(
replica_id: ReplicaId,
collection_id: GlobalId,
introspection_tx: Sender<(IntrospectionType, Vec<(Row, Diff)>)>
) -> Self
fn new( replica_id: ReplicaId, collection_id: GlobalId, introspection_tx: Sender<(IntrospectionType, Vec<(Row, Diff)>)> ) -> Self
Create a new HydrationState
and initialize introspection.
sourcefn collection_hydrated(&mut self)
fn collection_hydrated(&mut self)
Update the collection as hydrated.
sourcefn operator_hydrated(
&mut self,
lir_id: NodeId,
worker_id: usize,
hydrated: bool
)
fn operator_hydrated( &mut self, lir_id: NodeId, worker_id: usize, hydrated: bool )
Update the given (lir_id, worker_id) pair as hydrated.
sourcefn row_for_collection(&self) -> Row
fn row_for_collection(&self) -> Row
Return a Row
reflecting the current collection hydration status.
sourcefn row_for_operator(&self, lir_id: NodeId, worker_id: usize) -> Option<Row>
fn row_for_operator(&self, lir_id: NodeId, worker_id: usize) -> Option<Row>
Return a Row
reflecting the current hydration status of the identified operator.
Returns None
if the identified operator is not tracked.
fn send(&self, introspection_type: IntrospectionType, updates: Vec<(Row, Diff)>)
Trait Implementations§
source§impl Debug for HydrationState
impl Debug for HydrationState
Auto Trait Implementations§
impl RefUnwindSafe for HydrationState
impl Send for HydrationState
impl Sync for HydrationState
impl Unpin for HydrationState
impl UnwindSafe for HydrationState
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