Is there a setting in Ignition to prevent database overflow, when you are saving tags in historian?
I think your options are listed in
Use the browser search function and look for instances of "prune".
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There's nothing in Ignition that connects to your database (a third party program), asks it how much space it has, and changes how Ignition works as a result.
You can (and should) set up pruning, but Ignition's historian pruning is not strictly tied to DB space considerations.
Also, hard drive space is way cheaper than engineering effort. If you're worried about it, get a competent DB, such as PostgreSQL (free) or MariaDB (free) and sit it on a dedicated box with a boatload of disk space. It's going to be less headache in the long run than sweating a few gigabytes here and there.
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