Estimating the amount of metrics data generated

Provides a guideline for the amount of column families monitored, the number of days monitored, and the MB per node of metrics data generated.

The following table provides guidance for estimating the amount of metrics data generated:

Number of days Number of column families monitored MB per node
31 5 200
31 10 300
31 20 500
365 5 250
365 10 380
365 20 630

The default upper limit of data collected is 365 days.