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Yandex Managed Service for ClickHouse®
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In this article:

  • HTTP request
  • Path parameters
  • Response
  • ExternalShard
  • Replica
  1. API reference
  2. REST
  3. Cluster
  4. GetShardGroup

Managed Service for ClickHouse API, REST: Cluster.GetShardGroup

Written by
Yandex Cloud
Improved by
amatol
Updated at June 22, 2026
  • HTTP request
  • Path parameters
  • Response
  • ExternalShard
  • Replica

Returns the specified shard group.

HTTP requestHTTP request

GET https://mdb.api.cloud.yandex.net/managed-clickhouse/v1/clusters/{clusterId}/shardGroups/{shardGroupName}

Path parametersPath parameters

Field

Description

clusterId

string

Required field. ID of the cluster that the shard group belongs to.
To get the cluster ID, make a ClusterService.List request.

The maximum string length in characters is 50.

shardGroupName

string

Required field. Name of the shard group to request information about.
To get the name of a shard group, make a ClusterService.ListShardGroups request.

The maximum string length in characters is 63.

ResponseResponse

HTTP Code: 200 - OK

{
  "name": "string",
  "clusterId": "string",
  "description": "string",
  "shardNames": [
    "string"
  ],
  "externalShards": [
    {
      "name": "string",
      "weight": "string",
      "replicas": [
        {
          "host": "string",
          "port": "string",
          "secure": "boolean",
          "user": "string",
          "password": "string",
          "priority": "string"
        }
      ]
    }
  ]
}

Field

Description

name

string

Name of the shard group.

clusterId

string

ID of the ClickHouse cluster that the shard group belongs to.

description

string

Description of the shard group. 0-256 characters long.

shardNames[]

string

List of shard names contained in the shard group.

externalShards[]

ExternalShard

List of external shards contained in the shard group.

ExternalShardExternalShard

Field

Description

name

string

Name of the external shard.

weight

string (int64)

Relative weight of the external shard considered when writing data to the cluster.

For details, see ClickHouse documentation.

replicas[]

Replica

List of replicas contained in the external shard.

ReplicaReplica

Field

Description

host

string

Name (FQDN) or IP address of the external replica host.

port

string (int64)

Port to connect to the external replica. If not specified, the default ClickHouse port is used.

secure

boolean

Whether to use a secure (SSL/TLS) connection when connecting to the external replica.

user

string

Name of the user to authenticate with on the external replica.

password

string

Password of the user to authenticate with on the external replica.

priority

string (int64)

Priority of the external replica for load balancing.
The replica with the lowest priority value is preferred when establishing a connection.

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