# Limit RAM usage to avoid crashes
Add this line into your script:
```javascript=
core.max_cache_size = 1000
```
The value is in MB so 1000 = 1000MB
# Example
```python=
import vapoursynth as vs
import havsfunc as haf
import muvsfunc as muvs
import mvsfunc as mvs
import kagefunc as kage
import descale as descale
import G41Fun as fun
core = vs.get_core()
core.max_cache_size = 1000 # this means vs will use 1GB of RAM
...
```