Cassandra support matrix

Refer to the below support matrix to ensure compatibility between the platform, database, connector, and Delphix engine version.

Cassandra system requirements

Database / OS support matrix

Supported OS Version

Supported DBMS Versions

DataStax Cassandra v5.1.16

DataStax Cassandra v6.8.9 - v6.8.33

Apache Cassandra v3.11.10

Apache Cassandra v4.0.7 - v4.1.1

RHEL 8.0

Y

Y

Y

Y

RHEL 7.9

Y

Y

Y

Y

RHEL 7.4

Y

Y

Y

Y

Windows

N

N

N

N

Supported ingestion matrix

Cassandra Distribution

Staging Push

Disk

AWS

DataStax Enterprise

Y

N

N

Apache Cassandra

Y

N

N

Database version and connector version compatibility matrix

Cassandra DB version

Cassandra v2026.1.0

Cassandra v1.2.0

Cassandra v1.1.1

Cassandra v1.1.0

Cassandra v1.0.0

DataStax

Cassandra v6.8.9 -

v6.8.33

Y

Y

Y

Y

Y

DataStax

Cassandra v.5.1.16

Y

Y

Y

Y

N

Apache Cassandra v4.0.7 - v4.1.1

Y

Y

Y

Y

Y

Engine compatibility matrix

Engine Version

Cassandra v2026.1.0

Cassandra v1.2.0

Cassandra v1.1.1

Cassandra v1.1.0

Cassandra v1.0.0

6.0.16.0 - 2026.2.0.x

Y

Y

Y

Y

Y

Limitations

  • Cassandra Ingestion from AWS S3, Disk not supported.

  • Cassandra Point-in-time restore is not supported.

  • Delphix V2P is not supported.

  • Delphix Password Vault is not supported.

  • Cassandra LDAP Authentication is not supported.

  • dSources and VDBs are limited to a maximum of 9 nodes in a cluster. However, both dSources and VDBs can be spread across different hosts.

  • Data size is limited to what can be handled by 9 nodes. At present, only small clusters (1-2TB per node with a max of 9 nodes = 9-18 TB per Cluster) can be supported.

  • dSource node numbers cannot be altered once defined without reloading data.

  • VDB node numbers cannot be altered once defined without VDB refresh.

  • Remote Keystore is not supported for SSL Encryption.