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Graph Analytics Engine

Module

Graph

Status

VERIFIED

Description

Graph analytics with engine, pipeline, DI extensions, and Postgres persistence for analytics results.

Implementation Details

  • Analytics engine: src/Graph/StellaOps.Graph.Indexer/Analytics/GraphAnalyticsEngine.cs -- core graph analytics computation engine
  • Analytics pipeline: src/Graph/StellaOps.Graph.Indexer/Analytics/GraphAnalyticsPipeline.cs -- multi-stage analytics pipeline orchestration
  • Hosted service: src/Graph/StellaOps.Graph.Indexer/Analytics/GraphAnalyticsHostedService.cs -- background service running analytics on schedule
  • Analytics types: src/Graph/StellaOps.Graph.Indexer/Analytics/GraphAnalyticsTypes.cs -- clustering, centrality, and analytics result types
  • Metrics: src/Graph/StellaOps.Graph.Indexer/Analytics/GraphAnalyticsMetrics.cs -- Prometheus-compatible analytics execution metrics
  • Options: src/Graph/StellaOps.Graph.Indexer/Analytics/GraphAnalyticsOptions.cs -- configurable analytics parameters
  • Writer options: src/Graph/StellaOps.Graph.Indexer/Analytics/GraphAnalyticsWriterOptions.cs -- result persistence configuration
  • Overlay exporter: src/Graph/StellaOps.Graph.Indexer/Analytics/GraphOverlayExporter.cs -- exports analytics results as graph overlays
  • In-memory writer: src/Graph/StellaOps.Graph.Indexer/Analytics/InMemoryGraphAnalyticsWriter.cs -- test analytics writer
  • In-memory snapshot: src/Graph/StellaOps.Graph.Indexer/Analytics/InMemoryGraphSnapshotProvider.cs -- test snapshot provider
  • DI extensions: src/Graph/StellaOps.Graph.Indexer/Analytics/GraphAnalyticsServiceCollectionExtensions.cs -- DI registration
  • Postgres persistence: src/Graph/__Libraries/StellaOps.Graph.Indexer.Persistence/Postgres/Repositories/PostgresGraphAnalyticsWriter.cs -- PostgreSQL analytics result storage
  • Tests: src/Graph/__Tests/StellaOps.Graph.Indexer.Tests/GraphAnalyticsEngineTests.cs, GraphAnalyticsPipelineTests.cs, GraphOverlayExporterTests.cs, GraphAnalyticsTestData.cs
  • Source: Feature matrix scan

E2E Test Plan

  • Verify analytics engine computes clustering and centrality scores
  • Test pipeline executes multi-stage analytics in correct order
  • Verify hosted service runs analytics on configured schedule
  • Test Postgres persistence stores analytics results correctly
  • Verify overlay exporter generates valid overlay data from analytics

Verification

  • Run ID: run-001
  • Date: 2026-02-09T16:00:00Z
  • Tier: 1 (Build + Test)
  • Result: PASS
  • Evidence: Graph.Indexer.Tests 37/37 pass, Graph.Core.Tests 19/19 pass. Persistence tests skipped (Docker unavailable, env_issue). All source files verified (16/16).

Tier 2 Recheck (Behavioral Integration)

  • Run ID: run-002
  • Date: 2026-02-10T11:41:00Z
  • Tier: 2 (Behavioral integration verification)
  • Result: PASS
  • Evidence: Re-ran indexer and persistence suites (Graph.Indexer.Tests 37/37, Graph.Indexer.Persistence.Tests 17/17) including Postgres-backed analytics persistence paths. Artifact: docs/qa/feature-checks/runs/graph/graph-analytics-engine/run-002/tier2-integration-check.json.

Tier 2 Recheck (Docker-Restored Persistence Replay)

  • Run ID: run-003
  • Date: 2026-02-10T16:37:52Z
  • Tier: 2 (Behavioral integration verification)
  • Result: PASS
  • Evidence: Replayed indexer + persistence suites with Docker available (Graph.Indexer.Tests 37/37, Graph.Indexer.Persistence.Tests 17/17). Artifact: docs/qa/feature-checks/runs/graph/graph-analytics-engine/run-003/tier2-integration-check.json.

Recheck (Run-005)

  • Verified: 2026-02-10
  • Method: Tier 2d deterministic integration replay.
  • Tests: PASS (src/Graph/__Tests/StellaOps.Graph.Indexer.Tests: 37/37; src/Graph/__Tests/StellaOps.Graph.Indexer.Persistence.Tests: 17/17).
  • Tier 2 Evidence: docs/qa/feature-checks/runs/graph/graph-analytics-engine/run-005/tier2-integration-check.json
  • Outcome: Analytics pipeline and persistence-backed behaviors remain healthy.

Recheck (Run-006)

  • Verified: 2026-02-10
  • Method: Tier 2 replay validated via Graph API/indexer suites.
  • Tests: PASS (src/Graph/__Tests/StellaOps.Graph.Api.Tests: 66/66; src/Graph/__Tests/StellaOps.Graph.Indexer.Tests: 37/37; src/Graph/__Tests/StellaOps.Graph.Indexer.Persistence.Tests: 17/17).
  • Tier 2 Evidence: docs/qa/feature-checks/runs/graph/graph-analytics-engine/run-006/tier2-integration-check.json
  • Outcome: Analytics pipeline and persistence behavior remain healthy.

Recheck (Run-007)

  • Verified: 2026-02-10
  • Method: Tier 2 replay validated via Graph API/indexer suites.
  • Tests: PASS (src/Graph/__Tests/StellaOps.Graph.Api.Tests: 66/66; src/Graph/__Tests/StellaOps.Graph.Indexer.Tests: 37/37; src/Graph/__Tests/StellaOps.Graph.Indexer.Persistence.Tests: 17/17).
  • Tier 2 Evidence: docs/qa/feature-checks/runs/graph/graph-analytics-engine/run-007/tier2-integration-check.json
  • Outcome: Analytics pipeline and persistence behavior remain healthy.

Recheck (Run-008)

  • Verified: 2026-02-10
  • Method: Tier 2 replay validated via Graph API/indexer suites.
  • Tests: PASS (src/Graph/__Tests/StellaOps.Graph.Api.Tests: 66/66; src/Graph/__Tests/StellaOps.Graph.Indexer.Tests: 37/37; src/Graph/__Tests/StellaOps.Graph.Indexer.Persistence.Tests: 17/17).
  • Tier 2 Evidence: docs/qa/feature-checks/runs/graph/graph-analytics-engine/run-008/tier2-integration-check.json
  • Outcome: Analytics pipeline and persistence behavior remain healthy.

Recheck (Run-009)

  • Verified: 2026-02-10
  • Method: Tier 2d deterministic integration replay.
  • Tests: PASS (Graph.Api.Tests 66/66, Graph.Indexer.Tests 37/37, Graph.Indexer.Persistence.Tests 17/17).
  • Tier 2 Evidence: docs/qa/feature-checks/runs/graph/graph-analytics-engine/run-009/tier2-integration-check.json
  • Outcome: Checked Graph behavior remains healthy in continued replay.

Recheck (Run-010)

  • Verified: 2026-02-10
  • Method: Tier 2d deterministic integration replay.
  • Tests: PASS (Graph Api 66/66, Indexer 37/37, Indexer.Persistence 17/17; total 120/120).
  • Tier 2 Evidence: docs/qa/feature-checks/runs/graph/graph-analytics-engine/run-010/tier2-integration-check.json
  • Outcome: Checked graph behavior remains healthy in continued replay.

Recheck (Run-011)

  • Verified: 2026-02-10
  • Method: Tier 2d deterministic integration replay.
  • Tests: PASS (Graph Api 66/66, Indexer 37/37, Indexer.Persistence 17/17; total 120/120).
  • Tier 2 Evidence: docs/qa/feature-checks/runs/graph/graph-analytics-engine/run-011/tier2-integration-check.json
  • Outcome: Checked graph behavior remains healthy in continued replay.

Recheck (Run-012)

  • Verified: 2026-02-10
  • Method: Tier 2 replay + deterministic Graph suite replay.
  • Tests: PASS (Graph.Api 66/66, Graph.Indexer 37/37, Graph.Indexer.Persistence 17/17; total 120/120).
  • Tier 2 Evidence: docs/qa/feature-checks/runs/graph/graph-analytics-engine/run-012/tier2-integration-check.json
  • Outcome: Checked graph behavior remains healthy in continued replay.

Recheck (Run-013)

  • Verified: 2026-02-10
  • Method: Tier 2d deterministic integration replay with fresh command-output evidence.
  • Tests: PASS (Graph matrix 120/120: Api 66, Indexer 37, Indexer.Persistence 17.)
  • Tier 2 Evidence: docs/qa/feature-checks/runs/graph/graph-analytics-engine/run-013/tier2-integration-check.json
  • Outcome: Checked Graph behavior remains healthy in continued replay.

Recheck (Run-016)

  • Verified: 2026-02-11
  • Method: Strict Tier 2 API replay (query/lineage/diff + tenant guard checks) with deterministic Graph suite replay.
  • Tests: PASS (src/Graph/StellaOps.Graph.sln: 120/120).
  • Tier 2 Evidence: docs/qa/feature-checks/runs/graph/graph-analytics-engine/run-016/tier2-api-check.json
  • Outcome: Fresh user-surface replay confirms graph analytics outputs remain queryable through query/lineage/diff endpoints with expected validation semantics.