2. The system of claim 1 , wherein the distributed computing cluster is configured to store unstructured data.
2. The system of claim 1 , wherein the distributed computing cluster is configured to store unstructured data. 10. The system of claim 2 , wherein the state store is further coupled to a metadata store that stores metadata relevant to a database management engine implemented in the cluster, and wherein the query planner is configured to: obtain, from the state store, metadata associated with the queries.