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Its webserver specific. If you configure it to run in different process, request will be handled in new process. If you configure to have threads it will be in threads.
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Yes. Imagine case when, user1 is viewing/editing a object A (retrieved from DB). user2 deletes that object. And then user1 tries to save it. You need to handle such cases explicitly in your code.
- Most likely the issues will be related to DB. So you can use transactions to help in some cases.
- In some other cases, you can define strategy. E.g the case mentioned above, when user1 tries to save the object, and its not there in db you can just create one.
0👍
1) webserver specific.
2) Take a look at django-concurrency. It handles concurrent editing using optimistic concurrency control pattern.
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Source:stackexchange.com