Companies / Amplitude / incidents

Amplitude: Data Processing Delays

Affected components: Cohort ExportData - Cohort ExportData - Data ProcessingData ProcessingAmazon Web ServicesEvaluation APIExperiment - Evaluation API

Timeline of updates

1. investigating2026-04-29 08:15 UTC

   Our data processing systems are delayed. This incident started at 2026-04-29 12:20 AM PT. 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) Impacted customers will see delayed metrics for the last 1 hour. c) Experiment evaluation API is experiencing higher latencies. d) Cohort syncs to all 3rd party destinations is experiencing higher latencies. We've identified the issue and are working closely with our cloud provider to mitigate it. We will provide an update within the next hour, or sooner if new information becomes available.

2. identified2026-04-29 08:20 UTC

   Our data processing systems are delayed. This incident started at 2026-04-29 12:20 AM PT. 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) Impacted customers will see delayed metrics for the last 1 hour. c) Experiment evaluation API is experiencing higher latencies. d) Cohort syncs to all 3rd party destinations is experiencing higher latencies. We've identified the issue and are working closely with our cloud provider to mitigate it. We will provide an update within the next hour, or sooner if new information becomes available.

3. identified2026-04-29 08:30 UTC

   AWS has identified the issue and is actively working on a resolution. We will provide an update within the next hour, or sooner if new information becomes available.

4. monitoring2026-04-29 08:39 UTC

   AWS and Amplitude has mitigated the issue and are seeing recovery on impacted services. We will continue to monitor the status and provide an update within the next hour, or sooner if new information becomes available.

5. monitoring2026-04-29 08:59 UTC

   We are continuing to monitor for any further issues.

6. monitoring2026-04-29 09:10 UTC

   We are continuing to monitor for any further issues.

7. monitoring2026-04-29 09:54 UTC

   The issue has been resolved.

8. resolved2026-04-29 14:33 UTC

   This incident has been resolved.

Impact, status and times are the vendor’s own, as last archived. View on stspg.io (opens in new tab). Amplitude profile · Recent Amplitude incidents · Markdown · JSON