pub struct SourceManagerCore {
metadata_manager: MetadataManager,
managed_sources: HashMap<SourceId, ConnectorSourceWorkerHandle>,
source_fragments: HashMap<SourceId, BTreeSet<FragmentId>>,
backfill_fragments: HashMap<SourceId, BTreeSet<(FragmentId, FragmentId)>>,
actor_splits: HashMap<ActorId, Vec<SplitImpl>>,
}
Fields§
§metadata_manager: MetadataManager
§managed_sources: HashMap<SourceId, ConnectorSourceWorkerHandle>
Managed source loops
source_fragments: HashMap<SourceId, BTreeSet<FragmentId>>
Fragments associated with each source
backfill_fragments: HashMap<SourceId, BTreeSet<(FragmentId, FragmentId)>>
source_id
-> (fragment_id, upstream_fragment_id)
actor_splits: HashMap<ActorId, Vec<SplitImpl>>
Splits assigned per actor,
incl. both Source
and SourceBackfill
.
Implementations§
source§impl SourceManagerCore
impl SourceManagerCore
fn new( metadata_manager: MetadataManager, managed_sources: HashMap<SourceId, ConnectorSourceWorkerHandle>, source_fragments: HashMap<SourceId, BTreeSet<FragmentId>>, backfill_fragments: HashMap<SourceId, BTreeSet<(FragmentId, FragmentId)>>, actor_splits: HashMap<ActorId, Vec<SplitImpl>>, ) -> Self
sourceasync fn reassign_splits(
&self,
) -> MetaResult<HashMap<DatabaseId, SplitAssignment>>
async fn reassign_splits( &self, ) -> MetaResult<HashMap<DatabaseId, SplitAssignment>>
Checks whether the external source metadata has changed, and re-assigns splits if there’s a diff.
self.actor_splits
will not be updated. It will be updated by Self::apply_source_change
,
after the mutation barrier has been collected.
fn apply_source_change( &mut self, added_source_fragments: Option<HashMap<SourceId, BTreeSet<FragmentId>>>, added_backfill_fragments: Option<HashMap<SourceId, BTreeSet<(FragmentId, FragmentId)>>>, split_assignment: Option<SplitAssignment>, dropped_actors: Option<HashSet<ActorId>>, )
fn drop_source_fragments( &mut self, source_fragments: HashMap<SourceId, BTreeSet<FragmentId>>, removed_actors: &HashSet<ActorId>, )
Auto Trait Implementations§
impl Freeze for SourceManagerCore
impl !RefUnwindSafe for SourceManagerCore
impl Send for SourceManagerCore
impl Sync for SourceManagerCore
impl Unpin for SourceManagerCore
impl !UnwindSafe for SourceManagerCore
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