Data access method and device, computer equipment and storage medium

The invention relates to a data access method and device, computer equipment and a storage medium. The method comprises the following steps: determining a target position identifier to be subjected to data access from a position identifier set; a corresponding storage node is arranged in a position pointed by each position identifier in the position identifier set; determining the number of storage nodes corresponding to the target position identifier to obtain the number of nodes; the storage node forms a first data storage structure in a target position pointed by the target position identifier; under the condition that the number of the nodes reaches a preset number threshold value, converting a first data storage structure of a storage node corresponding to the target position identifier to obtain a second data storage structure matched with the number of the nodes; and performing data access processing based on the data access processing mode corresponding to the data storage structure of the target stor