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System requirements

To launch Yucca, the following resources are enough:

  1. CPU - 1 core
  2. RAM - 512Mb.
  3. DISK (free space) - 1Gb.

These are the minimum requirements for running the server, what will be the consumption when adding cameras, read here and here.

Camera requirements

The camera must stream via RTSP protocol, video must be in h264 codec, support for h265/hevc is planned later.

Maximum server capacity

From the experience of our customers, we have come to the conclusion that on average the ideal ratio is 10 cameras per 1 CPU core. So, suppose on a server with 24 cores and a processor frequency of 2.5-3.0 Ghz, 240-250 cameras can be parked without problems. At large values, LA starts to grow strongly and artifacts and instability may be observed.

Disk space calculation

Suppose we have 150 identical cameras with a stream bitrate of 2M, we want to write an archive from them 14 days deep:

  • 2 megabits per second, that's 2/8 = 0.25 megabytes
  • 0.25 * 60 * 60 = 900 megabytes per hour
  • 900 * 24 = 21600 megabytes => 21.6 gigabytes per day from 1 camera
  • 21.6 * 14(days) = 302.4 gigabytes in 14 days from 1 camera
  • 302.4 * 150 = 45360 gigabytes => 45.36 terabytes

Here is such a simple calculation allows you to roughly calculate how much our archive will occupy. It is also worth considering that arrays should not be filled to capacity at 99%, and it is better to keep at least 5-10% free.