Version Compatibility
If you are deploying Riak CS in combination with an existing Riak cluster, you should verify that the version of Riak that you are using is compatible with the version of Riak CS that you intend to use.
It is important to note that not all versions of Riak are compatible with Riak CS, but a number of version combinations have been tested, are known to function together, and can be recommended for use.
The following details combinations of Riak and Riak CS versions which are known to function together and provides some general tips about Riak versions for use with Riak CS.
Unsupported Riak Versions
Riak versions prior to version 1.2.0 are known to have performance issues and are not tested, recommended, or supported for use with Riak CS. Additionally, Riak versions prior to 1.0.0 are missing essential functionality, such as Secondary Indexes or LevelDB support, required by Riak CS.
Working Version Combinations
Basic functional testing has been performed with the following combinations of Riak and Riak CS. These versions are also known to be functioning in production environments.
| Riak version | Stanchion version | Riak CS version |
|---|---|---|
| 1.2.1 | 1.2.2 | 1.2.2 |
| 1.2.1 | 1.3.0 | 1.3.0 |
| 1.3.0 | 1.2.2 | 1.2.2 |
| 1.3.0 | 1.3.0 | 1.3.0 |
| 1.4.0 | 1.4.0 | 1.4.0 |
| 1.4.1 | 1.4.0 | 1.4.0 |
| 1.4.8 | 1.4.3 | 1.4.5 |
| 1.4.10 | 1.5.0 | 1.5.0 |
| 1.4.10 | 1.5.0 | 1.5.1 |
| 1.4.10 | 1.5.0 | 1.5.2 |
| 1.4.12 | 1.5.0 | 1.5.3 |
| 1.4.12 | 1.5.0 | 1.5.4 |
| 2.0.5 | 2.0.0 | 2.0.0 |
| 2.0.5 | 2.0.0 | 2.0.1 |
| 2.1.2 | 2.1.0 | 2.1.0 |
Note: While Riak CS versions 1.5.0 and later will work with Riak 1.4.x, we highly recommend running CS with at least Riak 1.4.8, preferably 1.4.10.
Basic functionality testing consists of account creation, object storage and retrieval, bucket listing operations, and Access Control List (ACL) enforcement verification.
Note that functional testing of Riak CS clusters operating with mixed versions (e.g., a combination of Riak CS version 1.2.2 and version 1.3.0 nodes) has not been performed, and cannot be recommended at this time.