Vitess

aid: vitess
name: Vitess
description: Vitess is a CNCF graduated database clustering system for horizontal scaling of MySQL through generalized sharding.
  It provides MySQL protocol compatibility, automated resharding, query routing, and connection pooling, making it suitable
  for running large-scale MySQL deployments on Kubernetes or other container orchestration platforms.
type: Index
url: https://vitess.io
tags:
- Cloud Native
- CNCF
- Database
- Distributed Systems
- Graduated
- MySQL
- Sharding
created: '2025'
modified: '2026-05-03'
specificationVersion: '0.19'
apis:
- aid: vitess:vtgate-api
  name: Vitess VTGate API
  description: VTGate is the stateless proxy that routes queries to the appropriate VTTablet instances. It exposes a MySQL-compatible
    interface and a gRPC API that clients use to interact with the Vitess cluster, handling query routing, scatter queries,
    and transaction management across shards.
  humanURL: https://vitess.io/docs/reference/programs/vtgate/
  properties:
  - type: Documentation
    url: https://vitess.io/docs/reference/programs/vtgate/
  - type: Reference
    url: https://vitess.io/docs/reference/query-serving/
  tags:
  - gRPC
  - MySQL
  - Proxy
  - Query Routing
  - SQL
- aid: vitess:vtadmin-api
  name: Vitess VTAdmin API
  description: VTAdmin is the administrative web application and REST API for managing Vitess clusters. It provides endpoints
    for inspecting cluster topology, tablets, keyspaces, shards, schemas, and VReplication workflows, and serves as the backend
    for the VTAdmin web UI.
  humanURL: https://vitess.io/docs/reference/programs/vtadmin/
  properties:
  - type: Documentation
    url: https://vitess.io/docs/reference/programs/vtadmin/
  - type: Reference
    url: https://vitess.io/docs/reference/vtadmin/
  - type: OpenAPI
    url: openapi/vitess-vtadmin-openapi.yml
  tags:
  - Administration
  - Cluster Management
  - REST
  - Web UI
- aid: vitess:vtctld-api
  name: Vitess VTCtld API
  description: VTCtld is the Vitess topology management daemon that exposes a gRPC and HTTP API for administrative operations
    on the cluster topology including creating and managing keyspaces, shards, tablets, and executing maintenance operations
    such as planned reparents and emergency reparents.
  humanURL: https://vitess.io/docs/reference/programs/vtctld/
  properties:
  - type: Documentation
    url: https://vitess.io/docs/reference/programs/vtctld/
  - type: Reference
    url: https://vitess.io/docs/reference/vtctl/
  tags:
  - Administration
  - Cluster Management
  - gRPC
  - Topology
- aid: vitess:vreplication-api
  name: Vitess VReplication API
  description: VReplication is the Vitess framework for replicating and transforming data streams within and across Vitess
    clusters. It powers features such as MoveTables, Reshard, Materialize, and CreateLookupVindex and exposes workflow management
    commands through the VTCtl API for orchestrating data migrations and real-time replication workflows.
  humanURL: https://vitess.io/docs/reference/vreplication/
  properties:
  - type: Documentation
    url: https://vitess.io/docs/reference/vreplication/
  - type: Reference
    url: https://vitess.io/docs/reference/vreplication/vreplication/
  tags:
  - Data Migration
  - Replication
  - Streaming
  - Workflows
common:
- type: JSONSchema
  url: json-schema/vitess-topology-schema.json
- type: JSONLD
  url: json-ld/vitess-context.jsonld
- type: JSONStructure
  url: json-structure/vitess-tablet-structure.json
- type: OpenAPI
  url: openapi/vitess-vtadmin-openapi.yml
- type: SpectralRules
  url: rules/vitess-rules.yml
- type: Vocabulary
  url: vocabulary/vitess-vocabulary.yml
- type: Website
  url: https://vitess.io
- type: Documentation
  url: https://vitess.io/docs/
- type: GettingStarted
  url: https://vitess.io/docs/get-started/
- type: GitHubOrganization
  url: https://github.com/vitessio
- type: GitHubRepository
  url: https://github.com/vitessio/vitess
- type: Blog
  url: https://vitess.io/blog/
- type: Community
  url: https://vitess.io/community/
- type: Slack
  url: https://vitess.io/slack
- type: ChangeLog
  url: https://github.com/vitessio/vitess/blob/main/changelog/
- type: StackOverflow
  url: https://stackoverflow.com/questions/tagged/vitess
- type: Security
  url: https://github.com/vitessio/vitess/blob/main/SECURITY.md
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com