RE: Using Valkey instead of redis in sugarcrm on-premise instance

Angel Magana — Fri, 05 Sep 2025 20:31:41 GMT

Hello,

I am not aware of any customers that are actively using Valkey and you should be aware that this is not a component we test or officially support. That being said, the manner in which Sugar interacts with Redis (or memcached) is quite basic.

If PHP is configured to store its sessions in Redis/memcached, Sugar would then indirectly leverage it to read/store PHP session info. I would say that this is the most common way that customers leverage the technology and this configuration will help improve overall performance. Our general advice as it relates to this topic is that we highly recommend its use for the performance gains.

Additionally, it is possible to configure Sugar such that it directly interacts with Redis/memcached and use it as a user cache. This is used to store information pertaining to the currently logged in user, such as some preferences and other tidbits normally retrieved from the database. Such a configuration also helps improve performance, although, the session caching technique is more impactful.

Sugar itself is not dependent on any Redis modules or specific features beyond the ability to store or delete a key/value pairing or session. Incidentally, the use of Redis, while highly recommended, is purely for improving performance as the system can operate without it. I mention this just to clarify that none of the features in Sugar are dependent on its use.

I would caution you on using Valkey as we simply don't have any test data to rely upon to comment on its feasibility nor provide advice on correcting issues should you encounter them.

I would also be concerned about the status of its PHP client, assuming it exists. The Redis PHP client is mandatory if one wishes to use it to either store the sessions or as a user cache. You would need an equivalent for Valkey in order to make use of it for either. In the case of leveraging it for the user cache, you might also need to customize Sugar to cause it to recognize it.