In some examples, a computing device is able to communicate with a plurality of data clusters. For example, a first data cluster may be configured with a first version of data cluster software including a first library version, and a second data cluster may be configured with a second version of data cluster software including a second library version that is different from the first. The computing device may execute a single instance of an application to send, based at least on information in the first library version, to the first data cluster, a request for first data, and may receive the first data from the first cluster. Further, the computing device may send, based at least on information in the second library version, second data that is based on the first data to the second data cluster to store the second data with the second data cluster.