Download bandwidth rolling window (days)
Shared rolling window length for Download bandwidth MB. Default 1 day. Empty or 0 becomes 1. Max 365.
Download bandwidth rolling window (days)
Shared window length (days) for the per-tier Download bandwidth MB row. Not per-tier - one value for the site.
Where to find it
Admin → Settings → Users limits → inline on Download bandwidth (per N d) / field Download bandwidth rolling window (days)
Setting key: ul2_bw_period_days
Default: 1. Empty or ≤0 → 1. Max 365.
How it works
Example: 1 day window with Reg = 5120 MB ≈ 5 GB download traffic per rolling day for registered users.
Rolling means from each user's usage timeline - not necessarily calendar midnight.