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12/05/2023, 3:36 PMis there a way for me to keep track of which users are affected by the feature flag?You could make use of a Saved Group, perhaps: https://docs.growthbook.io/features/targeting#saved-groups You'd need to query your data source for all the user_ids that were included in the feature flag. You could save those user_ids into a Saved Group, and use that Saved Group for future testing.
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12/05/2023, 3:46 PMexperiment_id
is referring to the feature flag identifier, unrelated to the applied override rules?
2. Are there some limits for Saved Groups? If I'm working with large data sets of e.g. 100k+ users, can I save them in one group or multiple ones?
3. Can I combine Saved Groups and percentage rollout and, still see what users are affected?brief-honey-45610
12/05/2023, 3:53 PMJust as a sanity check, theIn GrowthBook, theis referring to the feature flag identifier, unrelated to the applied override rules?experiment_id
feature id
and experiment id
serve different purposes and are not necessarily the same.
ā¢ Feature ID: This is the unique identifier for a feature flag within GrowthBook. It is used to control and roll out features to users. When you define a feature flag, you give it a unique key that you use in your code to check if the feature should be enabled for a particular user.
ā¢ Experiment ID: This is the unique identifier for an experiment, which is used to track and analyze A/B tests. An experiment can be associated with a feature flag when you are testing different variations of that feature.
When you set up an experiment as a rule for a feature flag, the key
of the experiment acts as the experiment_id
. This key
is used to track the experiment's performance and to identify which variation a user has been assigned to.brief-honey-45610
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12/05/2023, 4:02 PMAre there some limits for Saved Groups?Yes, currently they can support up to 1,000 users. This is the "legacy" style of Saved Groups which we now call Inline Saved Groups. We recently released Runtime Saved Groups which have no group size limit. https://docs.growthbook.io/features/targeting#saved-groups
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12/05/2023, 4:05 PMCan I combine Saved Groups and percentage rollout?Yes. If you specify both, they will be ANDed together to produce the final condition that is sent down to the SDKs. The final targeting condition will ensure that only users who meet both the Saved Group criteria and the percentage rollout criteria will be included in the experiment or feature flag rollout.
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