3m readin order to provide efficient updates for DeepSee there is a feature named DSTIME.
It writes kind of a log about inserts, deletes, updates. This may suit your requirements.
About 2 years ago I have written an article about the subject. Take a look if this is what you need.
https://community.intersystems.com/post/synchronize-data-dstime
All your examples are correct.
BUT:
- all your examples assume that docker is available to the users.
- this prerequisite is not always given. And may even contradict customer-defined rules.
And as I mentioned earlier: customers pay so they define their rules.
Losing a bid just because someone deep in the background dislikes SSH access must not be acceptable.
[I have learned my lessons using VMware long before it became an "accepted platform" ]
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Bravo @Oliver Wilms !