Time Series Collections
Time series collections efficiently store sequences of measurements over a period of time. Time series data is any data that is collected over time and is uniquely identified by one or more unchanging parameters. The unchanging parameters that identify your time series data is generally your data source's metadata.
https://docs.mongodb.com/manual/core/timeseries-collections/?utm_campaign=Int_EM_Tier%20Upgrades%20to%205.0_01_22_WW