Pier has several options for surviving a crash. The main way to avoid losing data is accomplished by the Persistency. A example of checking the persistence for this wiki is Check Image Save. It can be updated with a component.
An example of using a persistency component in a test image:
Create a */Persistency* in this imageHaving a
/
creates this under the root page./Persistency
link./Persistency
link again to open: If the user is not an admin, then an informative message appears.transactions.txt
(similar to how each do-it is stored in the changes file).