Hasql.Pool.Observer

Documentation

newtype Observed

Represents properties of an observed IO action associated with a pool item.

Constructors

Observed

Fields

• latency :: Rational

Instances

Show Observed

Defined in Hasql.Pool.Observer

Methods

showsPrec :: Int -> Observed -> ShowS

show :: Observed -> String

showList :: [Observed] -> ShowS

type ObserverAction = Observed -> IO ()

You can use this action to send observed attributes to your metrics backend like Prometheus.