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Jean78 asked · Mar 11 at 10:56 AM

Issue with aliasing and duplicate accounts

Hi guys,

When people signup we use the alias() function to match their id with their current distinct id.

The issue is that the aliasing takes too long to happen. As a result we're getting back-end events and identify() calls with the user_id being sent before the aliasing happens.

This results in 2 profiles being created and it messes up our tracking entirely.

We managed to fix this by adding a 2sec delay on our on-boarding but the issue appeared again on November and is now affecting 10% of our signups with duplicated profiles.

This is becoming a serious issue. We now can't even communicate with those 10% of users since they have 2 accounts.

Do you guys have any fix on this aliasing problem? This problem has happened on 5 projects and has been lasting for 3 years now just to get worse recently.

aliasbugs
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frank_bryant answered · Apr 15 at 06:19 PM

Hey @Jean78! It sounds like you are having a race condition on a hybrid implementation. I usually refer to their server-side implementation article and course on identity management to help me out (more of a visual learner). Hope it helps you out too!

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