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2. Cloud
3. Quotas for Confluent Cloud Resources
SERVICE QUOTAS FOR CONFLUENT CLOUD¶
There is a maximum quantity of resources and operations that can be used by
organizations, environments, accounts, networks, and clusters in Confluent
Cloud. These service quotas, or default limits, enable Confluent to manage the
availability and scalability of Confluent Cloud resources.
In the sections below, the service quotas are grouped by resource scope that
they apply to. Some resource limits are different for different scopes.
The default limits are usually adequate for most use cases, but if your
requirements exceed the default limits, you can request increases for many of
the default limits. For service quotas that have a quota code (ID) listed below,
you use the use the Quotas API to get the current values.
Note
All Confluent Cloud resources have hard thresholds that cannot be exceeded, but
many of the default quotas can be increased based on your changing requirements.
To request an increase for a quota, contact Confluent Support.
Client quotas define throughput limits for specific principals on Dedicated
Clusters. For more information about client quotas, see Multi-tenancy and Client
Quotas on Confluent Cloud.
SERVICE QUOTA NOTIFICATIONS¶
You can manage notifications for service quota events with the Confluent Cloud
Console or with the REST API. For more information, see Notifications for
Confluent Cloud.
Confluent Cloud service quota notification thresholds are as follows:
Usage (% quota) Notification level 50 Information 90 Warning 100 Critical
When notifications are enabled for a given notification level, you get
notifications for each quota that passes the relevant notification threshold
(50%, 90%, or 100% usage).
Note
* Only quotas that have usage data available are eligible for notifications.
* Notifications are sent only for exceeding a notification threshold, not for
dipping beneath a threshold. To see if a service quota generates usage data
that can be used for notifications, review the Usage data available column in
the tables below.
SERVICE QUOTAS¶
The following tables list the service quotas for Confluent Cloud resources by
scope. Some resources have different limits for different scopes. For example,
the maximum number of Kafka clusters is 20 per environment, but is 100 per
organization.
Note
If a service quota does not have a quota code (ID), you cannot determine the
current, applied limit using the Quotas API. To get the current applied limit
for a service quota that does not have a quota code, contact Confluent Support.
ORGANIZATION¶
Each service quota listed below applies to the scope of one Confluent Cloud
organization.
To get the current applied limits for an organization, see Quotas API.
Important
The RBAC role bindings (for organization plus environments) limit in the
Organization scope includes the total of role bindings for the organization plus
the role bindings for the environments within that organization, but excludes
the limits for Kafka clusters, ksqlDB clusters, and connectors.
Resource Quota (default) Quota code (ID) Usage data available Audit Log API keys
2 iam.max_audit_log_api_keys.per_org Cloud API keys 100
iam.max_cloud_api_keys.per_org ✔ Environments 10 iam.max_environments.per_org ✔
Identity providers (OAuth) 5 iam.max_identity_providers.per_organization Kafka
clusters 100 iam.max_kafka_clusters.per_org ✔ RBAC role bindings (organization
plus environments, includes Schema Registry RBAC roles) 1000
iam.max_rbac_role_bindings.per_org_plus_envs Service accounts 1000
iam.max_service_accounts.per_org ✔ User accounts (active and invited) 500
iam.max_users.per_org ✔ Stream Designer pipelines 100
sd.max_pipelines.per_organization
ENVIRONMENT¶
Each service quota listed below applies to the scope of one Confluent Cloud
environment. For the limit on the number of environments, see Organization
scope.
To get the current applied limits for an environment, see Quotas API.
Important
The RBAC role bindings (for organization plus environments) limit in the
Organization scope includes the total of role bindings for the organization plus
the role bindings for the environments within that organization, but excludes
the limits for Kafka clusters, ksqlDB clusters, and connectors.
Resource Quota (default) Quota code (ID) Usage data available Kafka clusters 20
kafka.max_kafka_clusters.per_env ✔ Kafka clusters (pending) 3
kafka.max_pending_kafka_clusters.per_env Kafka cluster CKUs 50
kafka.max_ckus.per_env ✔ ksqlDB clusters 10 ksql.max_apps.per_env Data
Governance clusters 1
n/a
NETWORK¶
Each service quota listed below applies to the scope of one Confluent Cloud
network.
To get the current applied limits for an organization, see Quotas API.
Resource Quota (default) Quota code (ID) Usage data available Networks 3
networking.max_network.per_environment Kafka clusters 10 n/a Kafka cluster
CKUs 72 n/a Peering 25 networking.max_peering.per_network AWS PrivateLink
account accesses (unlimited connections) 10
networking.max_private_link.per_network Azure Private Link subscription
accesses (unlimited connections) 10 networking.max_private_link.per_network
Google Cloud Private Service Connect project accesses (unlimited connections) 10
networking.max_private_link.per_network Transit gateways 10
networking.max_transit_gateway.per_network
KAFKA CLUSTER¶
Each service quota listed below applies to the scope of one Kafka cluster. For
the limit on the number of Kafka clusters, see the scopes for Organization and
Environment.
To get the current applied limits for a Kafka cluster, see Quotas API.
Resource Quota (default) Quota code (ID) Usage data available CKUs (for credit
card billing) 4 (Incrementally increasable to 100) kafka.max_ckus.per_cluster
CKUs (for integrated cloud provider billing or invoice payments) 24
(Incrementally increasable to 100) kafka.max_ckus.per_cluster API keys (for
Dedicated Kafka cluster) 2000 kafka.max_api_keys.per_cluster ✔ API keys (for
Standard Kafka cluster) 100 kafka.max_api_keys.per_cluster ✔ API keys (for Basic
Kafka cluster) 50 kafka.max_api_keys.per_cluster ✔ Connector tasks 250 n/a
ACLs (for each Dedicated Kafka cluster) 10000 n/a ACLs (for each Standard or
Basic Kafka cluster) 1000 n/a RBAC role bindings 500
iam.max_rbac_role_bindings.per_cluster
SERVICE ACCOUNT¶
Each service quota listed below applies to the scope of one service account. For
the limit on the number of service accounts, see Organization scope.
To get the current applied limits for an organization, see Quotas API.
Resource Quota (default) Quota code (ID) Usage data available Cloud API keys 10
iam.max_cloud_api_keys.per_service_account ✔ Cluster API keys 10
iam.max_cluster_api_keys.per_service_account ✔
USER ACCOUNT¶
Each service quota listed below applies to the scope of one user account. For
the limit on the number of user accounts, see Organization scope.
To get the current applied limits for an organization, see Quotas API.
Resource Quota (default) Quota code (ID) Usage data available Cloud API keys 10
iam.max_cloud_api_keys.per_user ✔ Cluster API keys 10
iam.max_cluster_api_keys.per_user ✔
IDENTITY PROVIDER (OAUTH)¶
Each service quota listed below applies to the scope of one Confluent Cloud
identity provider. For the limit on the number of OAuth identity providers, see
Organization scope.
Resource Quota (default) Quota code (ID) Usage data available Identity pools 100
n/a
KSQLDB CLUSTER¶
Each service quota listed below applies to the scope of one ksqlDB cluster. For
the limit on the number of ksqlDB clusters, see Organization scope.
Resource Quota (default) Quota code (ID) Usage data available CSUs 12 n/a
Persistent queries 20 n/a
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