NewDatabaseStorage creates new instance of DatabaseStorage.

NewDataStore create new DataStore object encapsulating particular storage type.

NewFileBackedStorage creates new instance of FileBackedStorage.

NewMemStorage creates new instance of MemStorage.

DatabaseStorage implements database metrics storage.

FileBackedStorage implements in-memory metrics storage with ability to dump/restore metrics data to/from disk.

MemStorage implements in-memory metrics storage.

A Record is internal represenattion of metric data stored in any kind of storage.