Someone help, going nuts. everything just stopped working or very slow

Yeah we need to know what is slow exactly? Is it Z-wave devices? Which devices are the most problematic?

I see a few z-wave devices that may be struggling.
Would be good to see the z-wave details again after the hub has been running for at least 12 hours, this looks like it was fresh after a reboot.

What hub Firmware do you have installed?

Make sure you do not have a Z-Wave firmware update available: C7 2.3.1 and Z-Wave Firmware 7.17.1
That post is older, the current version is 7.18, but directions are the same.

You could be running into a memory problem from 2.3.6, follow these steps to resolve that potential issue: Hub is running low on memory C-7 2.3.6.146 - #3 by jtp10181

  1. Create and download a backup
  2. Update the hub to 2.3.7
  3. Reboot and check the rebuild database option on the confirmation dialog
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