Resolved -
This incident has been resolved.
May 7, 14:52 PDT
Monitoring -
A fix has been implemented and we are monitoring the results.
May 7, 12:52 PDT
Identified -
Since 2025-05-06 10:00 PT (17:00 UTC) Amplitude Web Experiments have been sending Impression events to Amplitude for the control variant of experiments on pages that are not targeted by the experiment.
May 7, 11:03 PDT
Resolved -
Realtime ingestion has fully caught up. No data was lost, and no further action is required from customers.
May 6, 21:08 PDT
Monitoring -
A fix has been implemented and we are monitoring the results.
May 6, 19:54 PDT
Investigating -
Our realtime ingestion is delayed. This incident started at 5:40PM PST.
Current status: a) Our ingestion systems are working as expected and no data is lost. Our processing systems are not processing newly ingested data. b) Most of our customers are impacted. c) Impacted customers will see delayed metrics for the last 40 to 60 minutes.
We are investigating the issue and will post an update in an hour or earlier.
May 6, 19:29 PDT