I think this has to do with having lots of tracking points vs memory that is slowing me down to a craw.

I have 16GB ram, and 11GB swap. I selected detect features, giving me a lot of tracking points, (per youtube I found out this feature) when I run it to track of course it runs fine for a while until my RAM is almost used up, then slows to a craw.

I too have proxied my video to 50% as well.

from what I have learned on YouTube the more tracking points the better. How do I utilize this feature in blender to select the points for me and still be able to use them all while tracking something over 150 frames. the limit that they all use for training purposes.

this too is a per-recorded movie by someone else.

  • $\begingroup$ related link: blender.stackexchange.com/a/35229/1853 $\endgroup$
    – user1853
    Nov 13, 2016 at 5:27
  • $\begingroup$ thanks, in that link it said something about using png or image files instead, will that help cut down on mem, or help track for longer frames other then 250 default settings? $\endgroup$
    – uxserx-bw
    Nov 14, 2016 at 16:10
  • $\begingroup$ It all depends on what kind of format your video is encoded as. Some formats that use LongGOP schemes will require more resources to decode than a series of jpg or png images... In any case DO NOT USE 50% proxies for motion tracking. You'll only be making the tracking less precise. $\endgroup$
    – user1853
    Nov 14, 2016 at 16:40

1 Answer 1


More tracking points are not better, but accurate ones are. More inaccurate trackers will only make things worse, not better.

The automatic feature detection sounds good in theory, but I still prefer choosing the tracking points myself, focusing on what items will be in frame for the longest time in the scene and which will help blender determine the 3d space.

To get better performance, let blender cache the whole shot into RAM. You might need to increase the cache size in the system preferences.

enter image description here

For more tips on motion tracking please read: https://blender.stackexchange.com/a/42332/1853

  • $\begingroup$ 10240 is what I already had it set to, but 1024*16=16394.5 would that not be MAX RAM installed? then lock up my system as well? $\endgroup$
    – uxserx-bw
    Nov 14, 2016 at 15:35
  • $\begingroup$ The image is to illustrate where the control for the setting is! Make your own tests on what works for your system and your needs. $\endgroup$
    – user1853
    Nov 14, 2016 at 16:30

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