pub struct IngestValidator { /* private fields */ }Expand description
State machine that turns the events: Vec<IngestEvent> array into a
flat Vec<RowOutcome> matching the array’s index space. Buffers a whole
session substream so merge_insert runs once per substream (three
batches: sessions, messages, parts). A validation error on a single event
drops that event (one OutcomeStatus::Error outcome) and the substream
continues; only Session-level invariants (immutable source_agent / project
on re-write) drop the whole substream (spec.md#adapter-integrity-event-ordering).
Writes are batched at flush time. As complete substreams arrive (a new
Session event closes out the current one), they accumulate in
completed rather than each one calling merge_insert immediately.
The caller drains the buffer via Self::flush / Self::finish,
at which point one batched 3-parallel-merge-insert covers all pending
substreams. This is the load-bearing perf change: per-substream commit
overhead dominated the ingest profile (see benches/ingest_bench.rs),
and amortizing it across N sessions cuts wall time materially.
Implementations§
Source§impl IngestValidator
impl IngestValidator
Sourcepub async fn push(
&mut self,
store: &Store,
index: usize,
event: IngestEvent,
) -> Result<Vec<RowOutcome>>
pub async fn push( &mut self, store: &Store, index: usize, event: IngestEvent, ) -> Result<Vec<RowOutcome>>
Drive one input event through the validator. Returns the per-row
outcomes the event triggered: empty when the event is just buffered,
or N entries when a session substream just flushed (success or
failure). Err is reserved for catastrophic storage failures that
should fail the whole pond_ingest request.
Sourcepub async fn finish(
&mut self,
store: &Store,
) -> Result<(Vec<RowOutcome>, BatchCounts)>
pub async fn finish( &mut self, store: &Store, ) -> Result<(Vec<RowOutcome>, BatchCounts)>
Final flush at end-of-batch. Closes the in-flight substream and
drains the pending-flush buffer. Returns the per-row outcomes (for
the wire layer) alongside the honest per-table counts (for
IngestSummary::add_batch).
Sourcepub async fn flush(
&mut self,
store: &Store,
) -> Result<(Vec<RowOutcome>, BatchCounts)>
pub async fn flush( &mut self, store: &Store, ) -> Result<(Vec<RowOutcome>, BatchCounts)>
Drain every completed substream into batched 3-parallel-merge_insert
writes. Caller invokes this periodically (every N completed
substreams) to keep memory bounded; in adapter-driven sync that
happens via the BATCH_SIZE check in ingest_adapter. The current
in-flight substream stays buffered - close it explicitly via
Self::finish or by feeding the next Session event.
Sourcepub fn pending_substreams(&self) -> usize
pub fn pending_substreams(&self) -> usize
Number of fully-buffered substreams awaiting batched write. Used by
the adapter caller to decide when to call Self::flush.
Trait Implementations§
Source§impl Debug for IngestValidator
impl Debug for IngestValidator
Source§impl Default for IngestValidator
impl Default for IngestValidator
Source§fn default() -> IngestValidator
fn default() -> IngestValidator
Auto Trait Implementations§
impl Freeze for IngestValidator
impl RefUnwindSafe for IngestValidator
impl Send for IngestValidator
impl Sync for IngestValidator
impl Unpin for IngestValidator
impl UnsafeUnpin for IngestValidator
impl UnwindSafe for IngestValidator
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