Data Resolution
To keep M3's database from growing too large, M3 occasionally prunes entries. Because M3 also aggregates data into larger time blocks, this pruning only causes a loss in resolution.
Example: Data less than 24 hours old can be seen with data up to minute-to-minute data points. Data older than 24 hours can be seen hour-to-hour. Data older than 14 days can be seen with day-to-day data.