Greetings community and developers,

We are planning to implement a distributed database architecture for our
DHIS2 tracker in which local instances will periodically sync to a central
DHIS2 instance.

However, each of the Tracked Entity Instances have an Tracked Entity
Attribute that auto generates unique values and uses this as a front end
Unique Identifier for the TEIs. My major concern is possibility of
generating duplicate values on this Unique value TEA.

How can I prevent this from happening? Any suggestions will be highly
appreciated.

[image: Inline image 1]

Thanks,

Nguza
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