After I modified my model class , all caches are gone,

[swulog]

After I modified my model class , all caches are gone, How to keep caches while I modified model class?

[joeljfischer]

You would need to write specific code to transfer your old models in the cache into the new models. In other words, you'd need to keep both models' code and version them.

[3lvis]

Closing, reason outdated issue.