Confluent Cloud Limits and Supported Features

Confluent Cloud has the following limits and supported features.

Features

Description Confluent Cloud Enterprise Confluent Cloud
Auto topic creation No No
ACLs Yes No
Consumer lag UI

Yes

  • Disabled when VPC peered.
Yes
Cluster throughput
  • Write: Unlimited
  • Read: Unlimited
  • Write: 0 - 100 MBps
  • Read: 0 - 100 MBps
Data retention Unlimited 5 TB
Encryption at rest Yes (encrypted volumes) Yes (encrypted volumes)
Encryption in motion Yes (SSL/TLS) Yes (SSL/TLS)
Exactly Once Semantics Yes Yes
Key based compacted storage Yes Yes
Max clusters Unlimited 5
Max partitions 100000 2048
Max consumer groups Unlimited Unlimited
Max consumer group members Unlimited Unlimited
Max message size Default is 2 MB, but can be increased to 6 MB 2 MB
Multi-zone high availability Yes No
Role based access/ACLs Coming soon No
SAML integration Coming soon No
Service accounts Yes No
Schema Registry

Yes (Preview)

  • Up to 1,000 schema versions are included. The quota can be increased up to 5,000 schema versions.
  • A single Schema Registry is available per environment (e.g. Prod, Dev)
  • For details, see Supported Features.

Yes (Preview)

  • Up to 200 schema versions are included.
  • A single Schema Registry is available per environment (e.g. Prod, Dev)
  • For details, see Supported Features.
Topic management UI

Yes

  • Disabled when VPC peered.
Yes
VPC peering

Yes

  • Topic management and consumer lag are disabled in the UI when VPC peered.
No

Confluent Cloud Schema Registry Preview

Confluent Cloud Schema Registry is available as a preview feature. A preview feature is a component of Confluent Platform that is being introduced to gain early feedback from developers. These features can be used for evaluation and non-production testing purposes or to provide feedback to Confluent. Comments, questions, and suggestions related to preview features are encouraged and can be submitted to ccloud-sr-preview@confluent.io.

Supported Features

  • A single Schema Registry is available per environment (e.g. Prod, Dev).
  • Access Control to Schema Registry is based on API key and secret.
  • Each environment must have at least one Apache Kafka® cluster to enable Schema Registry.
  • Your VPC must be able to communicate with the Confluent Cloud Schema Registry public internet endpoint. For more information, see Using Confluent Cloud Schema Registry in a VPC Peered Environment.
  • Only available in the US region.

For more information, see Confluent Cloud Quick Start.

Confluent Cloud Connect Preview

These Confluent Cloud connectors are available as a preview feature. A preview feature is a component of Confluent Platform that is being introduced to gain early feedback from developers. These features can be used for evaluation and non-production testing purposes or to provide feedback to Confluent. Comments, questions, and suggestions related to preview features are encouraged and can be submitted to ccloud-connect-preview@confluent.io.

Refer to the following for specific preview connector limitations.

Confluent Cloud S3 Connector (Sink)

The following are specific limitations for the Confluent Cloud S3 Connector (Sink).

  • The Confluent Cloud cluster and the target S3 bucket must be in the same AWS region.
  • flush.size is set at 1000.
  • schema.compatibility is set to NONE.
  • Partitioning (hourly or daily) is based on Kafka record time.
  • A valid schema must be available in Confluent Cloud Schema Registry to use Avro.
  • For Confluent Cloud, organizations are limited to one connector. Use of this connector is free for a limited time.
  • For Confluent Cloud Enterprise, organizations are limited to 20 tasks. Additionally, please contact your Confluent account manager to participate in the Confluent Cloud S3 Connector (Sink) preview.

Confluent Cloud KSQL Preview

Confluent Cloud KSQL is currently available as a preview feature. A preview feature is a component of Confluent Platform that is being introduced to gain early feedback from developers. These features can be used for evaluation and non-production testing purposes or to provide feedback to Confluent. Comments, questions, and suggestions related to preview features are encouraged and can be submitted to preview@confluent.io.

For more information, see the Confluent Cloud KSQL Quick Start.

Supported Features

  • Web interface for managing your KSQL Cloud environment directly from your browser that exposes all critical KSQL information.
  • SQL editor to write, develop, and execute SQL queries with auto completion directly from the Web interface.
  • Integration with Confluent Cloud Schema Registry to leverage your existing schemas to use within your SQL queries.
  • Currently, user-defined functions aren't supported in KSQL Cloud.
  • A maximum of 20 queries per application are allowed.
  • A maximum of 1 application is allowed.
  • Confluent Cloud KSQL Preview will be available in the following AWS regions: us-east-1, us-east-2, us-west-2, us-west-1, and eu-central-1.
  • Confluent Cloud KSQL Preview will be available in all GCP regions supported by Confluent Cloud.

Compliance

Description Confluent Cloud Enterprise |ccloud-pro|
GDPR readiness Yes No
SOC-1 and SOC-2 Type II Yes Yes
PCI level 2 Yes No
HIPAA Yes No

Sizing

Description Confluent Cloud Enterprise |ccloud-pro|
Data retention Unlimited 1 - 30 days
Cluster throughput
  • Write: 0.5 MBps - 1 GBps
  • Read: 1 MBps - 2 GBps
  • Write: 1 MBps - 5 MBps
  • Read: 1 MBps - 5 MBps
Data isolation Physical Logical
Max clusters Unlimited 5
Max partitions 100000 2048
Max consumer groups Unlimited Unlimited
Max consumer group members Unlimited Unlimited
Default max message size 6 MB 2 MB
Encryption at rest Yes (encrypted volumes) Yes (encrypted volumes)
Encryption in motion Yes (SSL/TLS) Yes (SSL/TLS)
Key based compacted storage Yes Yes

Support

Description Confluent Cloud Enterprise |ccloud-pro|
Support
  • Gold support
  • 24x7 access
  • 1-hour response time for critical problems
Community

Cloud Providers & Regions

Tip

If you don't see your region listed, contact Confluent. Additional regions can be supported by request.

Description Confluent Cloud Enterprise Confluent Cloud
Amazon Web Services (AWS)

Supported in these regions:

  • us-east-1
  • us-east-2
  • us-west-1
  • us-west-2
  • ca-central-1
  • eu-west-1
  • eu-central-1
  • ap-southeast-1
  • ap-southeast-2

Supported in these regions:

  • us-east-1
  • us-east-2
  • us-west-1
  • us-west-2
  • ca-central-1
  • eu-west-1
  • eu-central-1
  • ap-southeast-1
  • ap-southeast-2
AWS multi-zone high availability

Supported in these regions:

  • us-east-1
  • us-east-2
  • us-west-1
  • us-west-2
  • eu-west-1
  • eu-central-2
  • ap-southeast-1
  • ap-southeast-2
Not supported
GCP (Google Cloud Platform)

Supported in these regions:

  • us-central1
  • us-east4
  • europe-west1
  • europe-west2

Supported in these regions:

  • us-central1
  • us-east4
  • europe-west1
  • europe-west2
GCP multi-zone high availability

Supported in these regions:

  • us-central1
  • us-east4
  • europe-west1
  • europe-west2
Not supported
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