Layer 2 — application architecture · 1,820 documents
| ID | Document | Source |
|---|---|---|
| app_invariants__57f9d54e843c8fab | INVARIANT: Deduplication of query history and notification events. SHADOW: Prevents redundant data processing and UI clutter by ensuring identical operations or events do not result in duplicate… | — |
| app_invariants__a53bb84ef8212565 | INVARIANT: Fetch queue concurrency throttling. SHADOW: Manages resource utilization by limiting parallel network requests, preventing browser-side bottlenecks and server-side overload. BYPASS: It… | — |
| app_invariants__817391c05a13b94c | INVARIANT: Reducer-based state transitions for navigation and notifications. SHADOW: Guarantees that state updates are applied as discrete, predictable units, maintaining consistency in the UI… | — |
| app_invariants__6bfd07bad3d1897e | INVARIANT: Dashboard scene serialization and schema versioning. SHADOW: Maintains a single source of truth for dashboard structure across different schema versions (V1 to V2) during… | — |
| app_invariants__f8001639dc207b41 | INVARIANT: Dashboard state persistence is governed by a debounced background diffing mechanism that isolates non-clonable properties from the persistence model. SHADOW: To maintain UI… | — |
| app_invariants__ffc90f13e1e82907 | INVARIANT: Hierarchical layout mutations must be addressed via deterministic string paths to ensure structural integrity across nested Row and Tab containers. SHADOW: Because layouts can be deeply… | — |
| app_invariants__bd27e0e595c778ed | INVARIANT: Legacy variable models are transformed into Scene-based objects through a pure mapping function that preserves selection state and value history. SHADOW: Transitioning from V1 to V2… | — |
| app_invariants__0628cda56285eb22 | INVARIANT: User activity tracking utilizes requestAnimationFrame throttling to synchronize state updates with the browser's vertical sync, preventing event-loop starvation. SHADOW: High-frequency… | — |
| app_invariants__dcadc5f629d9bcc8 | INVARIANT: Dashboard mutations are gated by a command-registry pattern that enforces pre-execution permission checks and Zod-backed payload validation. SHADOW: The MutationClient acts as a central… | — |
| app_invariants__00d99198c6761a75 | INVARIANT: Live dashboard refresh intervals are dynamically calculated as a function of panel pixel-width and time-range delta to prevent backend resource exhaustion. SHADOW: The 'LiveTimer'… | — |
| app_invariants__d0af7672311f13ac | INVARIANT: Dashboard portability is achieved by templateizing concrete Datasource UIDs into environment-agnostic variables during the export phase. SHADOW: To allow a dashboard to work on a… | — |
| app_invariants__bd94c8ae90425b7e | INVARIANT: Data partitioning logic transforms single-frame datasets into multi-series outputs by mapping distinct field-value combinations to unique internal labels. SHADOW: The 'PartitionByValues'… | — |
| app_invariants__79847bee3f958a09 | INVARIANT: API Version Negotiation via Error-Driven Fallback SHADOW: The UnifiedDashboardAPI establishes a hierarchy where v1 is the primary authority, but consensus on the resource state is only… | — |
| app_invariants__35f71fa3f2a01d91 | INVARIANT: Hierarchical Time Range Derivation SHADOW: TimeSrv enforces a state precedence where URL parameters override the TimeModel's internal state, which is then normalized to UTC to ensure… | — |
| app_invariants__5a2b5dcaf6898ff2 | INVARIANT: Generation-Based Reconciliation Invariance SHADOW: Provisioning logic determines resource 'readiness' by the strict equality of metadata.generation and status.observedGeneration, ensuring… | — |
| app_invariants__80c2d6412c56b364 | INVARIANT: Cross-Platform Migration Parity SHADOW: The DashboardMigrator logic requires that frontend TypeScript transformations and backend Go transformations produce bit-identical JSON models… | — |
| app_invariants__e0e190f653b6cbd4 | INVARIANT: Visibility-Gated Resource Throttling SHADOW: Auto-refresh mechanisms in TimeSrv implement a backpressure pattern by monitoring document.visibilityState; refresh cycles are suspended when… | — |
| app_invariants__b56fbd525be33daa | INVARIANT: Computational Offloading via Worker Isolation SHADOW: High-pressure logic, such as matching thousands of alert instances to complex route trees, is offloaded to Web Workers… | — |
| app_invariants__5e8c843e77711db5 | INVARIANT: Dual-Path Interaction Persistence SHADOW: User interactions like 'starring' a dashboard must execute a state mutation across two planes: a durable backend API call and a local navigation… | — |
| app_invariants__cf961064706db667 | INVARIANT: Workflow-Enforced Source Integrity SHADOW: In provisioned environments, the system prevents direct state mutation on protected branches by forcing a 'branch' (Pull Request) workflow if… | — |
| app_invariants__bb7ec51d10eb5c7b | INVARIANT: Unique Identifier Enforcement in Configuration Reducers SHADOW: Reducers managing Alertmanager receivers and notification templates must perform pre-flight checks for name collisions… | — |
| app_invariants__9edd3e63483fb1eb | INVARIANT: Deterministic Rule Group Reduction SHADOW: The use of 'useProduceNewRuleGroup' ensures that rule group modifications are applied as a sequence of discrete actions (add, update, delete)… | — |
| app_invariants__3201d0faee1fd251 | INVARIANT: Optimistic Concurrency via Resource Versioning SHADOW: The K8s-style API handlers for routing trees and receivers utilize 'resourceVersion' checks to detect mid-air collisions, returning… | — |
| app_invariants__57d24b74035e17d0 | INVARIANT: Asynchronous Stream Cancellation in Query Runners SHADOW: The 'AlertingQueryRunner' must explicitly unsubscribe from previous RxJS observables before initiating new backend requests to… | — |
| app_invariants__ac49f29531e89e00 | INVARIANT: Referential Integrity in Bulk Rule Migration SHADOW: The 'convertToGMA' logic treats the migration of Prometheus rules to Grafana Managed Alerts as an atomic operation where folder UIDs,… | — |
| app_invariants__ea6686f521c7c6e9 | INVARIANT: Sliding Window Evaluation for Alert Previews SHADOW: Previewing alert rules requires the dynamic calculation of the maximum query evaluation window across all sub-queries to ensure the… | — |
| app_invariants__82f71bf9a0a44a0d | INVARIANT: Recursive ID Sanitization for Configuration Cloning SHADOW: Cloning or exporting notification policies requires a recursive traversal to strip internal 'id' fields, ensuring that the… | — |
| app_invariants__e4dfb2432735c62c | INVARIANT: Trace search parameters are idempotently migrated from a legacy, multi-field format (serviceName, spanName, tags, query) to a canonical, unified `adhocFilters` array. The migration is only… | — |
| app_invariants__5b36b3a710106908 | INVARIANT: A canonical trace name is derived by heuristically identifying a root span from a set of spans. The root is determined as the span with no internal parent references, with ties broken by… | — |
| app_invariants__983beaadf59f6418 | INVARIANT: Tree traversal is performed iteratively using an explicit stack data structure, rather than recursively. This guarantees that traversing a tree of any depth will complete without causing a… | — |
| app_invariants__89a5aa87f4582620 | INVARIANT: UI detail visibility is managed as a map of states. Toggling a detail's visibility is an atomic operation that creates a new map instance from the previous state, either adding or removing… | — |
| app_invariants__90f376cd2d2ed19a | INVARIANT: The registry state must be derived from a deterministic scan of incoming configuration updates. SHADOW: Ensures that multiple registrations of the same plugin configuration do not result… | — |
| app_invariants__ed6a25eed510e608 | INVARIANT: Registry state is immutable and exposed via observable streams. SHADOW: Prevents side-effect-driven state corruption by enforcing read-only access to the registry state for… | — |
| app_invariants__3883c5be5be1cc5a | INVARIANT: Plugin registration must validate metadata integrity before committing to the registry. SHADOW: Ensures that only well-formed, valid plugin extensions are persisted, maintaining the… | — |
| app_invariants__60477a97a6aed47b | INVARIANT: Log aggregation and streaming must be bounded by retention time and volume limits. SHADOW: Protects system resources from unbounded memory growth during high-frequency logging… | — |
| app_invariants__5bfbc5b1728aa6c8 | INVARIANT: High-frequency events, such as throttling alerts, must be debounced and memoized based on their arguments to prevent UI thread starvation and alert fatigue. SHADOW: Ensures that repeated… | — |
| app_invariants__f316d8d85afa9fad | INVARIANT: Persistent streams (e.g., WebSockets) must implement bounded retry logic with interval delays for abnormal closures, transitioning to a terminal state after a maximum attempt… | — |
| app_invariants__cbea8ffdaf330cca | INVARIANT: Massive data requests must be partitioned by time or sharded by stream, executing sequentially with dynamic group sizing (e.g., square root reduction) upon encountering retriable… | — |
| app_invariants__f4be92c617d99580 | INVARIANT: Shared data providers must multicast their state to multiple subscribers, activating the source on the first subscription and executing deterministic cleanup/finalization when the last… | — |
| app_invariants__4b983a4f12a21bbb | INVARIANT: RefId-Isolated Partial Retry Strategy SHADOW: When a multi-target query batch encounters LimitExceeded or Throttling exceptions, the system must decompose the batch and only retry… | — |
| app_invariants__467da1b5e2de7270 | INVARIANT: Deterministic Resource Memoization SHADOW: Backend resource requests (Namespaces, Metrics, LogGroups) must be memoized based on a serialized string of path and parameters. This decouples… | — |
| app_invariants__ae156caf1e4c6cbb | INVARIANT: Region-Contextual Error Enrichment SHADOW: Throttling exceptions must be dynamically mapped to region-specific AWS Service Quotas URLs before being returned to the UI. This converts a… | — |
| app_invariants__6f87a17956f5beac | INVARIANT: Lexical-Driven Suggestion Gating SHADOW: Monaco editor autocomplete suggestions are strictly restricted by a finite state machine of lexical positions. A suggestion is only valid if its… | — |
| app_invariants__9c641ed7da1b1f7b | INVARIANT: Migration-Phase Invariance SHADOW: Query schema migrations must be performed on load and check for property existence before application. This ensures that legacy dashboard JSON is… | — |
| app_invariants__d7e4c67d31092135 | INVARIANT: Default-Region Determinism SHADOW: In the absence of a specified region, the system must fallback to the 'default' region defined in the datasource instance settings. This ensures query… | — |
| app_invariants__1387b8ea8448187f | INVARIANT: The representation of an embedded panel's data MUST enforce 'snapshot' query type and explicitly reference the Grafana data source UID. SHADOW: Failure to enforce this rule would result… | — |
| app_invariants__999001324c13ecc6 | INVARIANT: Annotation query tags containing template variables MUST be fully interpolated, splitting multi-value replacements by a predefined delimiter, to produce a flat list of individual tags for… | — |
| app_invariants__520dd64d5f28548c | INVARIANT: Time region queries MUST be validated for a complete and coherent configuration (either simple or advanced mode) before generating any data frames. SHADOW: Processing incomplete or… | — |
| app_invariants__b6c3734d174e6af4 | INVARIANT: Streaming metric query results MUST deduplicate time-series values by retaining only the latest data point for any given timestamp, ensuring data consistency and preventing visual… | — |
| app_invariants__a2fb1d4518d040e6 | INVARIANT: Generic backend error messages indicating query time range limits MUST be mapped to a standardized, user-friendly message. SHADOW: Exposing raw backend errors related to time range limits… | — |