Observasaurus: Unstreamable

An unstreamable OPAL verb or function cannot be accelerated. Its behavior changes depending on the query time window it is applied to. An example of an unstreamable verb is exists.

Datasets that will be used for Monitors or Dashboards should only uses streamable verbs or functions. Unstreamable verbs or functions are suitable for Worksheets and interactive Explorers.

See also Freshness.