Skip to main content
GET
Stream events from a DAG-failure diagnosis run

Authorizations

Authorization
string
header
required

Bearer authentication header of the form Bearer <token>, where <token> is your auth token.

Path Parameters

organizationId
string
required

The ID of the Organization to which the Deployment belongs.

deploymentId
string
required

The Deployment's ID.

diagnosisRunId
string
required

The diagnosis run ID.

Query Parameters

lastEventId
string

The last event ID received, used for reconnection.

Response

OK

summary
string
required
title
string
required

Core identification

affected_dags
string[]

Affected DAGs & child findings

amplifier_description
string
blast_radius
object
cascade_chain
object[]

Cascade topology

cascade_depth
integer
change_point_date
string
change_signals
object[]
child_dag_findings
object[]
cofailure_pairs
object[]

Cofailure analysis

confidence
number
confidence_justification
string
contributing_factors
string[]
coverage_quality
string

Coverage quality

dag_level_checks
object[]

Diagnostic checks

duration_percentiles
object
effective_availability
number

Availability

evidence
string[]

Evidence

evidence_gaps
object[]
evidence_status
enum<string>
Available options:
confirmed,
hypothesis,
insufficient_evidence
exception_class
string
exception_message
string
failure_onset_date
string

Temporal context

fleet_health_score
number
from_dag_run_id
string

Provenance fields layered on by core / polaris-agent after the LLM emits:

  • FromDagRunId: original dag_run_id when this diagnosis was replayed from the polaris-agent dedup cache (absent on fresh diagnoses).
  • SessionId: durable id of the RCA session row this diagnosis was emitted from.
health_gap
string
is_cascade_amplifier
boolean
last_success_date
string
log_classification
string
log_signals
string[]
log_snippet
string

Log analysis

match_count
integer
prevention_measures
object[]
priority
string
remediation
string
rendered_conn_ids
string[]

Connection context

reported_success_rate
number
root_cause
string

Root cause

root_cause_task
string
root_cause_type
string
seasonality_signal
string
session_id
string
severity
string

Severity & confidence

suggested_fix
string

Remediation & recommendations

symptoms
string[]
tasks
object[]
timeline_events
object[]

Timeline & change signals

transience
string
trend_direction
string
vendor_dashboard_url
string
vendor_destination
string
vendor_name
string

Vendor context

vendor_remediation
string