Data Access Latency

Good morning,

I am curious if performance metrics have been collected for general data access use cases.

Scenario 1:
How long does it take to get a list of data objects to the UI? 10, 100, 1000?

Scenario 2:
Sequence of Events:
<Data Object 1> created
<Data Object 2> created with link to <Data Object 1>
<Data Object 1> updated 1 000 000 times

How long does it take to retrieve the most up-to-date <Data Object 1> when you start with a reference to <Data Object 2>?