OK! I finished testing. It worked great for about times (tally list). Then it didn’t sync anymore. Switching between screens, backing out of the app, or removing the app from RAM did not force a sync. But changing a document (by pressing a button in the app) started the sync again.
I might have made another mistake after I restored the backup. I installed SG on all machines at the same time; I didn’t know that after installing the SG will start straightaway
The backup may have errors. For a few weeks I had trouble with the stability of the cluster. Often nodes ran out of RAM, etc. After upgrading the nodes these issues were gone. The database was never restored and is the same from the beginning. Also you might remember my other issue which might indicate that the database has issues. Is there anyway to tell? And is there anyway to fix issues?
In any case I collected logs and send you a private message. Thanks!