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Catalogue / graph-database

TAO

Graph databasetao

Facebook-style in-house graph cache tiered in front of a sharded relational store.

Provider
default
Kind
Graph database
Category
Data
Official docs
https://engineering.fb.com/2013/06/25/core-infra/tao-the-power-of-the-graph/
Properties · 4 set by this component
propertytypevaluesrequiredkind defaultthis component
crossRegionConsistency · advancedenumnone | single-leader | last-writer-wins-hlcnonone▸ single-leader
followerTiers · component propertyinteger—no1inherited
inMemoryboolean—nofalse▸ true
managedboolean—nofalse▸ false
masterPerShard · advancedboolean—nofalse▸ true
rebuildCadenceHours · advancedinteger—no—inherited
writeThrough · component propertyboolean—notrueinherited
Rules that apply · 0

Every rule whose selector covers this component's kind or its category. Whether a rule fires depends on the design: its properties, its edges and its groups.

No rule reads this kind yet. That is a gap, not a guarantee.
Use it in a design
nodes:
  - { id: "tao", component: "tao" }
Other Graph database products · 21
Graph Databasealibaba-graph-databasealibabacloudgraph-databaseAmazon Cloud Directoryaws-cloud-directoryawsgraph-databaseAWS IoT TwinMakeraws-iot-twinmakerawsgraph-databaseAmazon Neptune Analyticsaws-neptune-analyticsawsgraph-databaseAmazon Neptuneneptuneawsgraph-databaseAzure Digital Twinsazure-digital-twinsazuregraph-databaseArangoDBarangodbgraph-databaseDgraphdgraphgraph-databaseApache Jena Fusekifusekigraph-databaseGeneric graph databasegraph-databasegraph-databaseGraph storegraph-storegraph-databaseOntotext GraphDBgraphdbgraph-databaseJanusGraphjanusgraphgraph-databaseMemgraphmemgraphgraph-databaseNebulaGraphnebulagraphgraph-databaseNeo4jneo4jgraph-databaseStardogstardoggraph-databaseTigerGraphtigergraphgraph-databaseOpenLink Virtuosovirtuosograph-databaseEnterprise Knowledge Graphgoogle-enterprise-knowledge-graphgcpgraph-databaseSpanner Graphgoogle-spanner-graphgcpgraph-database
Source
# yaml-language-server: $schema=../../schema/component.schema.json
# TAO-style in-house graph cache: write-through cache tiers per shard in front of a sharded
# relational store, with a single leader region per shard.
schemaVersion: "1"
type: "component"
id: "tao"
kind: "graph-database"
provider: "default"
docs: "https://engineering.fb.com/2013/06/25/core-infra/tao-the-power-of-the-graph/"
defaults:
  inMemory: true
  masterPerShard: true
  crossRegionConsistency: "single-leader"
  managed: false
properties:
  writeThrough:
    type: "boolean"
    default: true
  followerTiers:
    type: "integer"
    default: 1

The same page as markdown, for an agent: /catalogue/components/tao.md