1. A method comprising: detecting a failure of a particular compute node of a compute cluster comprising a plurality of compute nodes; wherein the compute cluster is configured to store, in memory, data stored by a RDBMS; identifying particular data of the data stored by the RDBMS that is assigned to the particular compute node; restoring the particular compute node; after restoring the particular compute node, reloading, from the RDBMS, the particular data assigned to the particular compute node without taking the particular data offline; and during said reloading, receiving by the particular compute node, pending modified data comprising data of the particular data that was modified during said reloading; wherein the method is performed by one or more computing devices.