Hi, Jin here from Amplitude. You are absolutely right that there are other sources of duplicates. Our real-time data store sits behind an event processor (not c

Hi, Jin here from Amplitude. You are absolutely right that there are other sources of duplicates. Our real-time data store sits behind an event processor (not covered in this blog) that handles all major event duplication scenarios. This is why the real-time store focuses on duplications introduced by the message bus replays, something that systems such as Druid do not address.