Charts — Flow Circuit Chart — Semiotic

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Canonical: https://semiotic.nteract.io/charts/flow-circuit-chart

Flow Circuit

charts

import { FlowCircuitChart } from "semiotic/atlas"

Wraps: PhysicsCustomChart

Observed tapes and explicitly modeled editions over fixed apparatus. Prepare analysis once upstream with semiotic/atlas/core, then share the artifact across readers, JSON exports and static SVG.

Synthetic design fixtures. These stories demonstrate evidence handling, not production findings.

StoryRead modeled editionObservation time60s

Why does a queue grow below installed capacity?

Observed baseline: 80,000 records/s capacity, 60,000 arrivals/s and 40,000 completions/s leave 1.2 million records queued per minute.

80,000 records/s capacity, 60,000 arrivals/s and 40,000 completions/s leave 1.2 million records queued per minute.

Read chart interactions

Focus a mark with the arrow keys and press Space, or click a module. This readout subscribes through ObservationReadout to the chart’s ID inside LinkedCharts. The observation carries the canonical vertex and analysis revision for linked views and inspectors.

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Read the evidence

Inspect vertex

observed edition at 60s. Rates are per second; queue is stock. Unmeasured values remain unknown.
Vertex	Reading
source	arrivals: 60000 · completions: 60000 · capacity: unmeasured · queued: unmeasured · status: exact
router	arrivals: 60000 · completions: 60000 · capacity: unmeasured · queued: unmeasured · status: exact
p1	arrivals: 30000 · completions: 10000 · capacity: 10000 · queued: 1200000 · status: exact
p2	arrivals: 4286 · completions: 4286 · capacity: 10000 · queued: 0 · status: exact
p3	arrivals: 4286 · completions: 4286 · capacity: 10000 · queued: 0 · status: exact
p4	arrivals: 4286 · completions: 4286 · capacity: 10000 · queued: 0 · status: exact
p5	arrivals: 4286 · completions: 4286 · capacity: 10000 · queued: 0 · status: exact
p6	arrivals: 4286 · completions: 4286 · capacity: 10000 · queued: 0 · status: exact
p7	arrivals: 4285 · completions: 4285 · capacity: 10000 · queued: 0 · status: exact
p8	arrivals: 4285 · completions: 4285 · capacity: 10000 · queued: 0 · status: exact
output	arrivals: 40000 · completions: 40000 · capacity: unmeasured · queued: unmeasured · status: exact

Source revision: etl-hot-partition-v1:circuit-v1. Selection and exported evidence retain the complete analysis identity.

Synthetic rates held constant over the declared 60-second window.
Complete no-loss ledger; initially empty FIFO queues; no cancellation, rejection or duplicate work.
The seven original cold partitions divide 30,000 records/s as evenly as integral counts permit.

Data dictionary and independent inputs

{ "id": "etl-hot-partition-v1", "synthetic": true, "label": "Synthetic design fixture. Not a production analysis.", "leadView": "FlowCircuitChart (not implemented in Phase 1)", "note": "Flagship eight-partition story. Distinct from the small etl-snapshot-v1 kernel.", "dataDictionary": { "capacityPerPartition": "Installed records/second at one partition.", "arrivalsPerSecond": "Offered load. Not completions.", "completionsPerSecond": "Measured throughput.", "queuedPerMinute": "Stock increase over 60 seconds from arrivals minus completions under the complete no-loss ledger." }, "inputs": { "partitionCount": 8, "capacityPerPartition": 10000, "arrivalsPerSecond": 60000, "hotPartitionArrivalsPerSecond": 30000, "completionsPerSecond": 40000, "windowSeconds": 60 }, "expected": { "installedCapacity": 80000, "otherPartitionsArrivalsPerSecond": 30000, "queuedPerMinute": 1200000, "limitations": [ "Fan-in is not labelled a bottleneck from shape alone.", "A split across partitions is a capacity-feasible candidate, not a permitted rewrite of key semantics." ] } }

Serialized public chart props

JSON

{ "circuit": { "atlas": { "sourceGraphRef": "etl-hot-partition-v1", "analysisRevision": "[1,\"etl-hot-partition-v1\",\"etl-hot-partition-v1:circuit-v1\",{\"coordinate\":{\"kind\":\"ordinal\",\"sectionIds\":[\"Intake\",\"Distribute\",\"Partitions\",\"Output\"]},\"dataRevision\":\"etl-hot-partition-v1:circuit-v1\",\"evidencePolicyId\":\"synthetic-circuit-intervals-v1\",\"forest\":{\"display\":{\"kind\":\"rooted-backbone\",\"rankingPolicyId\":\"rooted-traversal:id-asc\",\"roots\":[\"source\"]},\"requiredPaths\":{\"relationScopeId\":\"directed-admitted\",\"roots\":[\"source\"]}},\"measures\":{},\"motifs\":{\"anchor\":\"completion\",\"catalogId\":\"atlas-core\",\"catalogVersion\":\"1\",\"countUnit\":\"entity\"},\"relations\":{\"directed\":true,\"edgeIdRequired\":true,\"parallelEdges\":\"keep-by-id\",\"selfLoops\":\"keep-by-id\"},\"schemaVersion\":\"0.2\",\"temporal\":{\"end\":60,\"kind\":\"window\",\"start\":0}}]", "spec": { "schemaVersion": "0.2", "coordinate": { "kind": "ordinal", "sectionIds": [ "Intake", "Distribute", "Partitions", "Output" ] }, "relations": { "directed": true, "edgeIdRequired": true, "parallelEdges": "keep-by-id", "selfLoops": "keep-by-id" }, "evidencePolicyId": "synthetic-circuit-intervals-v1", "measures": {}, "motifs": { "catalogId": "atlas-core", "catalogVersion": "1", "countUnit": "entity", "anchor": "completion" }, "forest": { "display": { "kind": "rooted-backbone", "roots": [ "source" ], "rankingPolicyId": "rooted-traversal:id-asc" }, "requiredPaths": { "roots": [ "source" ], "relationScopeId": "directed-admitted" } }, "dataRevision": "etl-hot-partition-v1:circuit-v1", "temporal": { "kind": "window", "start": 0, "end": 60 } }, "source": { "graphRef": "etl-hot-partition-v1", "revision": "etl-hot-partition-v1:circuit-v1", "nodes": [ { "id": "source", "sectionId": "Intake" }, { "id": "router", "sectionId": "Distribute" }, { "id": "p1", "sectionId": "Partitions" }, { "id": "p2", "sectionId": "Partitions" }, { "id": "p3", "sectionId": "Partitions" }, { "id": "p4", "sectionId": "Partitions" }, { "id": "p5", "sectionId": "Partitions" }, { "id": "p6", "sectionId": "Partitions" }, { "id": "p7", "sectionId": "Partitions" }, { "id": "p8", "sectionId": "Partitions" }, { "id": "output", "sectionId": "Output" } ], "edges": [ { "id": "intake", "source": "source", "target": "router" }, { "id": "in:p1", "source": "router", "target": "p1" }, { "id": "out:p1", "source": "p1", "target": "output" }, { "id": "in:p2", "source": "router", "target": "p2" }, { "id": "out:p2", "source": "p2", "target": "output" }, { "id": "in:p3", "source": "router", "target": "p3" }, { "id": "out:p3", "source": "p3", "target": "output" }, { "id": "in:p4", "source": "router", "target": "p4" }, { "id": "out:p4", "source": "p4", "target": "output" }, { "id": "in:p5", "source": "router", "target": "p5" }, { "id": "out:p5", "source": "p5", "target": "output" }, { "id": "in:p6", "source": "router", "target": "p6" }, { "id": "out:p6", "source": "p6", "target": "output" }, { "id": "in:p7", "source": "router", "target": "p7" }, { "id": "out:p7", "source": "p7", "target": "output" }, { "id": "in:p8", "source": "router", "target": "p8" }, { "id": "out:p8", "source": "p8", "target": "output" } ], "occurrences": [], "measureValues": [] }, "sections": { "kind": "ordinal", "sectionIds": [ "Intake", "Distribute", "Partitions", "Output" ], "nodeIdsBySection": { "Intake": [ "source" ], "Distribute": [ "router" ], "Partitions": [ "p1", "p2", "p3", "p4", "p5", "p6", "p7", "p8" ], "Output": [ "output" ] } }, "motifs": { "catalogId": "atlas-core", "catalogVersion": "1", "matches": [ { "id": "fan-out:router", "template": "fan-out", "roles": { "source": "router", "destinations": [ "p1", "p2", "p3", "p4", "p5", "p6", "p7", "p8" ] }, "nodePath": [ "router", "p1", "p2", "p3", "p4", "p5", "p6", "p7", "p8" ], "edgeIds": [ "in:p1", "in:p2", "in:p3", "in:p4", "in:p5", "in:p6", "in:p7", "in:p8" ], "startSectionId": "Distribute", "completionSectionId": "Partitions", "intersectSectionIds": [ "Distribute", "Partitions" ], "entityIds": [], "entityWeights": {}, "entityCount": 0, "flags": { "occurrence": false, "temporal": false, "trajectorySupported": false, "enriched": false } }, { "id": "fan-in:output", "template": "fan-in", "roles": { "destination": "output", "sources": [ "p1", "p2", "p3", "p4", "p5", "p6", "p7", "p8" ] }, "nodePath": [ "output", "p1", "p2", "p3", "p4", "p5", "p6", "p7", "p8" ], "edgeIds": [ "out:p1", "out:p2", "out:p3", "out:p4", "out:p5", "out:p6", "out:p7", "out:p8" ], "startSectionId": "Output", "completionSectionId": "Partitions", "intersectSectionIds": [ "Output", "Partitions" ], "entityIds": [], "entityWeights": {}, "entityCount": 0, "flags": { "occurrence": false, "temporal": false, "trajectorySupported": false, "enriched": false } }, { "id": "serial-chain:source>router", "template": "serial-chain", "roles": { "nodes": [ "source", "router" ], "start": "source", "end": "router" }, "nodePath": [ "source", "router" ], "edgeIds": [ "intake" ], "startSectionId": "Intake", "completionSectionId": "Distribute", "intersectSectionIds": [ "Intake", "Distribute" ], "entityIds": [], "entityWeights": {}, "entityCount": 0, "flags": { "occurrence": false, "temporal": false, "trajectorySupported": false, "enriched": false } }, { "id": "serial-chain:p1>output", "template": "serial-chain", "roles": { "nodes": [ "p1", "output" ], "start": "p1", "end": "output" }, "nodePath": [ "p1", "output" ], "edgeIds": [ "out:p1" ], "startSectionId": "Partitions", "completionSectionId": "Output", "intersectSectionIds": [ "Partitions", "Output" ], "entityIds": [], "entityWeights": {}, "entityCount": 0, "flags": { "occurrence": false, "temporal": false, "trajectorySupported": false, "enriched": false } }, { "id": "serial-chain:p2>output", "template": "serial-chain", "roles": { "nodes": [ "p2", "output" ], "start": "p2", "end": "output" }, "nodePath": [ "p2", "output" ], "edgeIds": [ "out:p2" ], "startSectionId": "Partitions", "completionSectionId": "Output", "intersectSectionIds": [ "Partitions", "Output" ], "entityIds": [], "entityWeights": {}, "entityCount": 0, "flags": { "occurrence": false, "temporal": false, "trajectorySupported": false, "enriched": false } }, { "id": "serial-chain:p3>output", "template": "serial-chain", "roles": { "nodes": [ "p3", "output" ], "start": "p3", "end": "output" }, "nodePath": [ "p3", "output" ], "edgeIds": [ "out:p3" ], "startSectionId": "Partitions", "completionSectionId": "Output", "intersectSectionIds": [ "Partitions", "Output" ], "entityIds": [], "entityWeights": {}, "entityCount": 0, "flags": { "occurrence": false, "temporal": false, "trajectorySupported": false, "enriched": false } }, { "id": "serial-chain:p4>output", "template": "serial-chain", "roles": { "nodes": [ "p4", "output" ], "start": "p4", "end": "output" }, "nodePath": [ "p4", "output" ], "edgeIds": [ "out:p4" ], "startSectionId": "Partitions", "completionSectionId": "Output", "intersectSectionIds": [ "Partitions", "Output" ], "entityIds": [], "entityWeights": {}, "entityCount": 0, "flags": { "occurrence": false, "temporal": false, "trajectorySupported": false, "enriched": false } }, { "id": "serial-chain:p5>output", "template": "serial-chain", "roles": { "nodes": [ "p5", "output" ], "start": "p5", "end": "output" }, "nodePath": [ "p5", "output" ], "edgeIds": [ "out:p5" ], "startSectionId": "Partitions", "completionSectionId": "Output", "intersectSectionIds": [ "Partitions", "Output" ], "entityIds": [], "entityWeights": {}, "entityCount": 0, "flags": { "occurrence": false, "temporal": false, "trajectorySupported": false, "enriched": false } }, { "id": "serial-chain:p6>output", "template": "serial-chain", "roles": { "nodes": [ "p6", "output" ], "start": "p6", "end": "output" }, "nodePath": [ "p6", "output" ], "edgeIds": [ "out:p6" ], "startSectionId": "Partitions", "completionSectionId": "Output", "intersectSectionIds": [ "Partitions", "Output" ], "entityIds": [], "entityWeights": {}, "entityCount": 0, "flags": { "occurrence": false, "temporal": false, "trajectorySupported": false, "enriched": false } }, { "id": "serial-chain:p7>output", "template": "serial-chain", "roles": { "nodes": [ "p7", "output" ], "start": "p7", "end": "output" }, "nodePath": [ "p7", "output" ], "edgeIds": [ "out:p7" ], "startSectionId": "Partitions", "completionSectionId": "Output", "intersectSectionIds": [ "Partitions", "Output" ], "entityIds": [], "entityWeights": {}, "entityCount": 0, "flags": { "occurrence": false, "temporal": false, "trajectorySupported": false, "enriched": false } }, { "id": "serial-chain:p8>output", "template": "serial-chain", "roles": { "nodes": [ "p8", "output" ], "start": "p8", "end": "output" }, "nodePath": [ "p8", "output" ], "edgeIds": [ "out:p8" ], "startSectionId": "Partitions", "completionSectionId": "Output", "intersectSectionIds": [ "Partitions", "Output" ], "entityIds": [], "entityWeights": {}, "entityCount": 0, "flags": { "occurrence": false, "temporal": false, "trajectorySupported": false, "enriched": false } } ], "incompleteCandidates": [], "unsupportedTemplates": [ "split-rejoin-diamond", "shared-upstream-source", "connector-bypass" ] }, "forest": { "kind": "rooted-backbone", "roots": [ "source" ], "rankingPolicyId": "rooted-traversal:id-asc", "backboneEdgeIds": [ "intake", "in:p1", "out:p1", "in:p2", "in:p3", "in:p4", "in:p5", "in:p6", "in:p7", "in:p8" ], "primaryParentEdgeIdByNode": { "router": "intake", "p1": "in:p1", "output": "out:p1", "p2": "in:p2", "p3": "in:p3", "p4": "in:p4", "p5": "in:p5", "p6": "in:p6", "p7": "in:p7", "p8": "in:p8" } }, "residualEdges": { "originalEdgeIds": [ "intake", "in:p1", "out:p1", "in:p2", "out:p2", "in:p3", "out:p3", "in:p4", "out:p4", "in:p5", "out:p5", "in:p6", "out:p6", "in:p7", "out:p7", "in:p8", "out:p8" ], "residualEdgeIds": [ "out:p2", "out:p3", "out:p4", "out:p5", "out:p6", "out:p7", "out:p8" ] }, "ports": { "hops": [], "graphAdjacency": [ { "source": "source", "target": "router", "edgeId": "intake" }, { "source": "router", "target": "p1", "edgeId": "in:p1" }, { "source": "p1", "target": "output", "edgeId": "out:p1" }, { "source": "router", "target": "p2", "edgeId": "in:p2" }, { "source": "p2", "target": "output", "edgeId": "out:p2" }, { "source": "router", "target": "p3", "edgeId": "in:p3" }, { "source": "p3", "target": "output", "edgeId": "out:p3" }, { "source": "router", "target": "p4", "edgeId": "in:p4" }, { "source": "p4", "target": "output", "edgeId": "out:p4" }, { "source": "router", "target": "p5", "edgeId": "in:p5" }, { "source": "p5", "target": "output", "edgeId": "out:p5" }, { "source": "router", "target": "p6", "edgeId": "in:p6" }, { "source": "p6", "target": "output", "edgeId": "out:p6" }, { "source": "router", "target": "p7", "edgeId": "in:p7" }, { "source": "p7", "target": "output", "edgeId": "out:p7" }, { "source": "router", "target": "p8", "edgeId": "in:p8" }, { "source": "p8", "target": "output", "edgeId": "out:p8" } ] }, "ledger": { "entries": [] }, "completeness": { "nodes": { "source": "known", "router": "known", "p1": "known", "p2": "known", "p3": "known", "p4": "known", "p5": "known", "p6": "known", "p7": "known", "p8": "known", "output": "known" }, "motifs": { "split-rejoin-diamond": "unsupported-template", "shared-upstream-source": "unsupported-template", "connector-bypass": "unsupported-template" }, "traces": "known" }, "provenance": { "sourceRevision": "etl-hot-partition-v1:circuit-v1", "analysisRevision": "[1,\"etl-hot-partition-v1\",\"etl-hot-partition-v1:circuit-v1\",{\"coordinate\":{\"kind\":\"ordinal\",\"sectionIds\":[\"Intake\",\"Distribute\",\"Partitions\",\"Output\"]},\"dataRevision\":\"etl-hot-partition-v1:circuit-v1\",\"evidencePolicyId\":\"synthetic-circuit-intervals-v1\",\"forest\":{\"display\":{\"kind\":\"rooted-backbone\",\"rankingPolicyId\":\"rooted-traversal:id-asc\",\"roots\":[\"source\"]},\"requiredPaths\":{\"relationScopeId\":\"directed-admitted\",\"roots\":[\"source\"]}},\"measures\":{},\"motifs\":{\"anchor\":\"completion\",\"catalogId\":\"atlas-core\",\"catalogVersion\":\"1\",\"countUnit\":\"entity\"},\"relations\":{\"directed\":true,\"edgeIdRequired\":true,\"parallelEdges\":\"keep-by-id\",\"selfLoops\":\"keep-by-id\"},\"schemaVersion\":\"0.2\",\"temporal\":{\"end\":60,\"kind\":\"window\",\"start\":0}}]", "generation": 1, "relationScope": "directed-admitted", "motifCatalogVersion": "1", "coordinatePolicy": "ordinal:Intake,Distribute,Partitions,Output", "forestRoots": [ "source" ], "rankingPolicyId": "rooted-traversal:id-asc", "population": "entity", "temporalHorizon": "window", "evidencePolicyId": "synthetic-circuit-intervals-v1" }, "requiredPaths": { "roots": [ "source" ], "relationScopeId": "directed-admitted", "status": "exact", "immediateDominatorByNode": { "output": "router", "p1": "router", "p2": "router", "p3": "router", "p4": "router", "p5": "router", "p6": "router", "p7": "router", "p8": "router", "router": "source", "source": null }, "reachableNodeIds": [ "output", "p1", "p2", "p3", "p4", "p5", "p6", "p7", "p8", "router", "source" ], "unreachableNodeIds": [] } }, "overlapPolicy": "role-priority:id-asc", "modules": [ { "id": "module:source", "nodeId": "source", "kind": "stage", "semantics": { "nodeId": "source", "label": "Source", "unit": "records" }, "selectedMatchId": "serial-chain:source>router", "relatedMatchIds": [ "serial-chain:source>router" ], "roles": { "nodes": [ "source", "router" ], "start": "source", "end": "router" }, "ports": [ { "edgeId": "intake", "direction": "out", "endpointId": "router" } ] }, { "id": "module:router", "nodeId": "router", "kind": "distributor", "semantics": { "nodeId": "router", "label": "Router", "unit": "records", "routing": "Measured key-partition assignment" }, "selectedMatchId": "fan-out:router", "relatedMatchIds": [ "fan-out:router", "serial-chain:source>router" ], "roles": { "source": "router", "destinations": [ "p1", "p2", "p3", "p4", "p5", "p6", "p7", "p8" ] }, "ports": [ { "edgeId": "intake", "direction": "in", "endpointId": "source" }, { "edgeId": "in:p1", "direction": "out", "endpointId": "p1" }, { "edgeId": "in:p2", "direction": "out", "endpointId": "p2" }, { "edgeId": "in:p3", "direction": "out", "endpointId": "p3" }, { "edgeId": "in:p4", "direction": "out", "endpointId": "p4" }, { "edgeId": "in:p5", "direction": "out", "endpointId": "p5" }, { "edgeId": "in:p6", "direction": "out", "endpointId": "p6" }, { "edgeId": "in:p7", "direction": "out", "endpointId": "p7" }, { "edgeId": "in:p8", "direction": "out", "endpointId": "p8" } ] }, { "id": "module:p1", "nodeId": "p1", "kind": "queue", "semantics": { "nodeId": "p1", "label": "Partition 1", "unit": "records", "queueDiscipline": "fifo" }, "selectedMatchId": "serial-chain:p1>output", "relatedMatchIds": [ "fan-out:router", "fan-in:output", "serial-chain:p1>output" ], "roles": { "nodes": [ "p1", "output" ], "start": "p1", "end": "output" }, "ports": [ { "edgeId": "in:p1", "direction": "in", "endpointId": "router" }, { "edgeId": "out:p1", "direction": "out", "endpointId": "output" } ] }, { "id": "module:output", "nodeId": "output", "kind": "junction", "semantics": { "nodeId": "output", "label": "Output", "unit": "records" }, "selectedMatchId": "fan-in:output", "relatedMatchIds": [ "fan-in:output", "serial-chain:p1>output", "serial-chain:p2>output", "serial-chain:p3>output", "serial-chain:p4>output", "serial-chain:p5>output", "serial-chain:p6>output", "serial-chain:p7>output", "serial-chain:p8>output" ], "roles": { "destination": "output", "sources": [ "p1", "p2", "p3", "p4", "p5", "p6", "p7", "p8" ] }, "ports": [ { "edgeId": "out:p1", "direction": "in", "endpointId": "p1" }, { "edgeId": "out:p2", "direction": "in", "endpointId": "p2" }, { "edgeId": "out:p3", "direction": "in", "endpointId": "p3" }, { "edgeId": "out:p4", "direction": "in", "endpointId": "p4" }, { "edgeId": "out:p5", "direction": "in", "endpointId": "p5" }, { "edgeId": "out:p6", "direction": "in", "endpointId": "p6" }, { "edgeId": "out:p7", "direction": "in", "endpointId": "p7" }, { "edgeId": "out:p8", "direction": "in", "endpointId": "p8" } ] }, { "id": "module:p2", "nodeId": "p2", "kind": "queue", "semantics": { "nodeId": "p2", "label": "Partition 2", "unit": "records", "queueDiscipline": "fifo" }, "selectedMatchId": "serial-chain:p2>output", "relatedMatchIds": [ "fan-out:router", "fan-in:output", "serial-chain:p2>output" ], "roles": { "nodes": [ "p2", "output" ], "start": "p2", "end": "output" }, "ports": [ { "edgeId": "in:p2", "direction": "in", "endpointId": "router" }, { "edgeId": "out:p2", "direction": "out", "endpointId": "output" } ] }, { "id": "module:p3", "nodeId": "p3", "kind": "queue", "semantics": { "nodeId": "p3", "label": "Partition 3", "unit": "records", "queueDiscipline": "fifo" }, "selectedMatchId": "serial-chain:p3>output", "relatedMatchIds": [ "fan-out:router", "fan-in:output", "serial-chain:p3>output" ], "roles": { "nodes": [ "p3", "output" ], "start": "p3", "end": "output" }, "ports": [ { "edgeId": "in:p3", "direction": "in", "endpointId": "router" }, { "edgeId": "out:p3", "direction": "out", "endpointId": "output" } ] }, { "id": "module:p4", "nodeId": "p4", "kind": "queue", "semantics": { "nodeId": "p4", "label": "Partition 4", "unit": "records", "queueDiscipline": "fifo" }, "selectedMatchId": "serial-chain:p4>output", "relatedMatchIds": [ "fan-out:router", "fan-in:output", "serial-chain:p4>output" ], "roles": { "nodes": [ "p4", "output" ], "start": "p4", "end": 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4285 } ], "totals": { "arrivals": 60000, "completions": 40000, "capacity": 80000, "queued": 600000, "roots": null, "attempts": null, "retries": null, "successes": null, "errors": null } }, { "id": "etl-observed:40", "at": 40, "nodes": { "source": { "arrivals": 60000, "completions": 60000, "capacity": null, "queued": null, "status": "exact" }, "router": { "arrivals": 60000, "completions": 60000, "capacity": null, "queued": null, "status": "exact" }, "p1": { "arrivals": 30000, "completions": 10000, "capacity": 10000, "queued": 800000, "status": "exact" }, "p2": { "arrivals": 4286, "completions": 4286, "capacity": 10000, "queued": 0, "status": "exact" }, "p3": { "arrivals": 4286, "completions": 4286, "capacity": 10000, "queued": 0, "status": "exact" }, "p4": { "arrivals": 4286, "completions": 4286, "capacity": 10000, "queued": 0, "status": "exact" }, "p5": { "arrivals": 4286, "completions": 4286, "capacity": 10000, "queued": 0, "status": "exact" }, "p6": { "arrivals": 4286, "completions": 4286, "capacity": 10000, "queued": 0, "status": "exact" }, "p7": { "arrivals": 4285, "completions": 4285, "capacity": 10000, "queued": 0, "status": "exact" }, "p8": { "arrivals": 4285, "completions": 4285, "capacity": 10000, "queued": 0, "status": "exact" }, "output": { "arrivals": 40000, "completions": 40000, "capacity": null, "queued": null, "status": "exact" } }, "flows": [ { "edgeId": "intake", "unit": "records", "perSecond": 60000 }, { "edgeId": "in:p1", "unit": "records", "perSecond": 30000 }, { "edgeId": "out:p1", "unit": "records", "perSecond": 10000 }, { "edgeId": "in:p2", "unit": "records", "perSecond": 4286 }, { "edgeId": "out:p2", "unit": "records", "perSecond": 4286 }, { "edgeId": "in:p3", "unit": "records", "perSecond": 4286 }, { "edgeId": "out:p3", "unit": "records", "perSecond": 4286 }, { "edgeId": "in:p4", "unit": "records", "perSecond": 4286 }, { "edgeId": "out:p4", "unit": "records", "perSecond": 4286 }, { "edgeId": "in:p5", "unit": "records", "perSecond": 4286 }, { "edgeId": "out:p5", "unit": "records", "perSecond": 4286 }, { "edgeId": "in:p6", "unit": "records", "perSecond": 4286 }, { "edgeId": "out:p6", "unit": "records", "perSecond": 4286 }, { "edgeId": "in:p7", "unit": "records", "perSecond": 4285 }, { "edgeId": "out:p7", "unit": "records", "perSecond": 4285 }, { "edgeId": "in:p8", "unit": "records", "perSecond": 4285 }, { "edgeId": "out:p8", "unit": "records", "perSecond": 4285 } ], "totals": { "arrivals": 60000, "completions": 40000, "capacity": 80000, "queued": 800000, "roots": null, "attempts": null, "retries": null, "successes": null, "errors": null } }, { "id": "etl-observed:50", "at": 50, "nodes": { "source": { "arrivals": 60000, "completions": 60000, "capacity": null, "queued": null, "status": "exact" }, "router": { "arrivals": 60000, "completions": 60000, "capacity": null, "queued": null, "status": "exact" }, "p1": { "arrivals": 30000, "completions": 10000, "capacity": 10000, "queued": 1000000, "status": "exact" }, "p2": { "arrivals": 4286, "completions": 4286, "capacity": 10000, "queued": 0, "status": "exact" }, "p3": { "arrivals": 4286, "completions": 4286, "capacity": 10000, "queued": 0, "status": "exact" }, "p4": { "arrivals": 4286, "completions": 4286, "capacity": 10000, "queued": 0, "status": "exact" }, "p5": { "arrivals": 4286, "completions": 4286, "capacity": 10000, "queued": 0, "status": "exact" }, "p6": { "arrivals": 4286, "completions": 4286, "capacity": 10000, "queued": 0, "status": "exact" }, "p7": { "arrivals": 4285, "completions": 4285, "capacity": 10000, "queued": 0, "status": "exact" }, "p8": { "arrivals": 4285, "completions": 4285, "capacity": 10000, "queued": 0, "status": "exact" }, "output": { "arrivals": 40000, "completions": 40000, "capacity": null, "queued": null, "status": "exact" } }, "flows": [ { "edgeId": "intake", "unit": "records", "perSecond": 60000 }, { "edgeId": "in:p1", "unit": "records", "perSecond": 30000 }, { "edgeId": "out:p1", "unit": "records", "perSecond": 10000 }, { "edgeId": "in:p2", "unit": "records", "perSecond": 4286 }, { "edgeId": "out:p2", "unit": "records", "perSecond": 4286 }, { "edgeId": "in:p3", "unit": "records", "perSecond": 4286 }, { "edgeId": "out:p3", "unit": "records", "perSecond": 4286 }, { "edgeId": "in:p4", "unit": "records", "perSecond": 4286 }, { "edgeId": "out:p4", "unit": "records", "perSecond": 4286 }, { "edgeId": "in:p5", "unit": "records", "perSecond": 4286 }, { "edgeId": "out:p5", "unit": "records", "perSecond": 4286 }, { "edgeId": "in:p6", "unit": "records", "perSecond": 4286 }, { "edgeId": "out:p6", "unit": "records", "perSecond": 4286 }, { "edgeId": "in:p7", "unit": "records", "perSecond": 4285 }, { "edgeId": "out:p7", "unit": "records", "perSecond": 4285 }, { "edgeId": "in:p8", "unit": "records", "perSecond": 4285 }, { "edgeId": "out:p8", "unit": "records", "perSecond": 4285 } ], "totals": { "arrivals": 60000, "completions": 40000, "capacity": 80000, "queued": 1000000, "roots": null, "attempts": null, "retries": null, "successes": null, "errors": null } }, { "id": "etl-observed:60", "at": 60, "nodes": { "source": { "arrivals": 60000, "completions": 60000, "capacity": null, "queued": null, "status": "exact" }, "router": { "arrivals": 60000, "completions": 60000, "capacity": null, "queued": null, "status": "exact" }, "p1": { "arrivals": 30000, "completions": 10000, "capacity": 10000, "queued": 1200000, "status": "exact" }, "p2": { "arrivals": 4286, "completions": 4286, "capacity": 10000, "queued": 0, "status": "exact" }, "p3": { "arrivals": 4286, "completions": 4286, "capacity": 10000, "queued": 0, "status": "exact" }, "p4": { "arrivals": 4286, "completions": 4286, "capacity": 10000, "queued": 0, "status": "exact" }, "p5": { "arrivals": 4286, "completions": 4286, "capacity": 10000, "queued": 0, "status": "exact" }, "p6": { "arrivals": 4286, "completions": 4286, "capacity": 10000, "queued": 0, "status": "exact" }, "p7": { "arrivals": 4285, "completions": 4285, "capacity": 10000, "queued": 0, "status": "exact" }, "p8": { "arrivals": 4285, "completions": 4285, "capacity": 10000, "queued": 0, "status": "exact" }, "output": { "arrivals": 40000, "completions": 40000, "capacity": null, "queued": null, "status": "exact" } }, "flows": [ { "edgeId": "intake", "unit": "records", "perSecond": 60000 }, { "edgeId": "in:p1", "unit": "records", "perSecond": 30000 }, { "edgeId": "out:p1", "unit": "records", "perSecond": 10000 }, { "edgeId": "in:p2", "unit": "records", "perSecond": 4286 }, { "edgeId": "out:p2", "unit": "records", "perSecond": 4286 }, { "edgeId": "in:p3", "unit": "records", "perSecond": 4286 }, { "edgeId": "out:p3", "unit": "records", "perSecond": 4286 }, { "edgeId": "in:p4", "unit": "records", "perSecond": 4286 }, { "edgeId": "out:p4", "unit": "records", "perSecond": 4286 }, { "edgeId": "in:p5", "unit": "records", "perSecond": 4286 }, { "edgeId": "out:p5", "unit": "records", "perSecond": 4286 }, { "edgeId": "in:p6", "unit": "records", "perSecond": 4286 }, { "edgeId": "out:p6", "unit": "records", "perSecond": 4286 }, { "edgeId": "in:p7", "unit": "records", "perSecond": 4285 }, { "edgeId": "out:p7", "unit": "records", "perSecond": 4285 }, { "edgeId": "in:p8", "unit": "records", "perSecond": 4285 }, { "edgeId": "out:p8", "unit": "records", "perSecond": 4285 } ], "totals": { "arrivals": 60000, "completions": 40000, "capacity": 80000, "queued": 1200000, "roots": null, "attempts": null, "retries": null, "successes": null, "errors": null } } ] }, "reading": { "editionId": "etl-observed", "kind": "observed", "mode": "observed-replay", "requestedTime": 60, "observedAt": 60, "entry": { "id": "etl-observed:60", "at": 60, "nodes": { "source": { "arrivals": 60000, "completions": 60000, "capacity": null, "queued": null, "status": "exact" }, "router": { "arrivals": 60000, "completions": 60000, "capacity": null, "queued": null, "status": "exact" }, "p1": { "arrivals": 30000, "completions": 10000, "capacity": 10000, "queued": 1200000, "status": "exact" }, "p2": { "arrivals": 4286, "completions": 4286, "capacity": 10000, "queued": 0, "status": "exact" }, "p3": { "arrivals": 4286, "completions": 4286, "capacity": 10000, "queued": 0, "status": "exact" }, "p4": { "arrivals": 4286, "completions": 4286, "capacity": 10000, "queued": 0, "status": "exact" }, "p5": { "arrivals": 4286, "completions": 4286, "capacity": 10000, "queued": 0, "status": "exact" }, "p6": { "arrivals": 4286, "completions": 4286, "capacity": 10000, "queued": 0, "status": "exact" }, "p7": { "arrivals": 4285, "completions": 4285, "capacity": 10000, "queued": 0, "status": "exact" }, "p8": { "arrivals": 4285, "completions": 4285, "capacity": 10000, "queued": 0, "status": "exact" }, "output": { "arrivals": 40000, "completions": 40000, "capacity": null, "queued": null, "status": "exact" } }, "flows": [ { "edgeId": "intake", "unit": "records", "perSecond": 60000 }, { "edgeId": "in:p1", "unit": "records", "perSecond": 30000 }, { "edgeId": "out:p1", "unit": "records", "perSecond": 10000 }, { "edgeId": "in:p2", "unit": "records", "perSecond": 4286 }, { "edgeId": "out:p2", "unit": "records", "perSecond": 4286 }, { "edgeId": "in:p3", "unit": "records", "perSecond": 4286 }, { "edgeId": "out:p3", "unit": "records", "perSecond": 4286 }, { "edgeId": "in:p4", "unit": "records", "perSecond": 4286 }, { "edgeId": "out:p4", "unit": "records", "perSecond": 4286 }, { "edgeId": "in:p5", "unit": "records", "perSecond": 4286 }, { "edgeId": "out:p5", "unit": "records", "perSecond": 4286 }, { "edgeId": "in:p6", "unit": "records", "perSecond": 4286 }, { "edgeId": "out:p6", "unit": "records", "perSecond": 4286 }, { "edgeId": "in:p7", "unit": "records", "perSecond": 4285 }, { "edgeId": "out:p7", "unit": "records", "perSecond": 4285 }, { "edgeId": "in:p8", "unit": "records", "perSecond": 4285 }, { "edgeId": "out:p8", "unit": "records", "perSecond": 4285 } ], "totals": { "arrivals": 60000, "completions": 40000, "capacity": 80000, "queued": 1200000, "roots": null, "attempts": null, "retries": null, "successes": null, "errors": null } }, "status": "exact" }, "width": 980, "height": 860, "reducedMotion": true, "chartId": "atlas-reference-etl", "title": "Hot-partition ETL", "description": "Why does a queue grow below installed capacity?", "summary": "80,000 records/s capacity, 60,000 arrivals/s and 40,000 completions/s leave 1.2 million records queued per minute.", "accessibleTable": true }

Prepare, render and share

Use prepareNetworkAtlas(spec, source) in a worker or upstream service. Inspectresult.ok and its admission issues before passing result.atlas to a reader. prepareNetworkAtlasAsync loads preparation lazily; it does not create a worker.

JSX

import { prepareFlowCircuit, admitCircuitEdition, readCircuitEdition } from "semiotic/atlas/core" import { FlowCircuitChart } from "semiotic/atlas" import { renderChartWithEvidence } from "semiotic/server" // atlas, explicit module semantics, and an observed tape are prepared upstream. const circuit = prepareFlowCircuit(atlas, semantics) const edition = admitCircuitEdition(circuit, observedTape) const reading = readCircuitEdition(edition, "observed-replay", 60) const props = { circuit, edition, reading, title: "Observed process" } const { svg, evidence } = renderChartWithEvidence("FlowCircuitChart", props) <FlowCircuitChart {...props} />

Supply node and original-edge readings with explicit units, timestamps and provenance. Usenull for unmeasured quantities and a separate edition for modeled outcomes. Display ordering and particle controls do not change throughput or infer missing timings.

On phones the playground keeps the task table and inspector controls available. On desktop, focus marks and use the arrow keys; press Space to activate a vertex. Flow Circuit also supports Enter activation. The full supplier and circuit studies add linked inspectors, matrices and modeled comparisons at Dependency X-Rayand Flow Circuit.

Props

Prop	Type	Required	Default	Description
`circuit`	FlowCircuitProjection	—	—	prepareFlowCircuit(atlas, semantics) result. Required.
`edition`	CircuitEdition	—	—	admitCircuitEdition(circuit, edition) result. Required.
`reading`	CircuitReading	—	—	readCircuitEdition(edition, mode, time) result. Required.
`particleBudget`	number	—	—	Visual sampling budget, independent of all measurements.
`reducedMotion`	boolean	—	—	Suppress decorative transfer cues.
`selection`	object	—	—	nodeId, analysisRevision and relationScopeId.
`width`	number	—	—	Chart width in pixels.
`height`	number	—	—	Chart height in pixels.
`title`	string	—	—	Visible and accessible name.
`description`	string	—	—	Accessible description.
`summary`	string	—	—	Accessible task summary.
`accessibleTable`	boolean \| object	—	—	Data table, enabled by default.
`chartId`	string	—	—	Stable ID for observations.
`linkedHover`	boolean \| string \| object	—	—	Linked canonical node hover.
`onObservation`	function	—	—	React observation callback.
`colors`	object	—	—	Semantic role color overrides; unspecified roles use ThemeProvider.
`linkedSelection`	object	—	—	Named linked-view selection.
`onSelectNode`	function	—	—	Pointer and keyboard activation return the canonical vertex ID.