Data Processing Delays

Incident Report for Amplitude

Resolved

This incident has been resolved.
Posted Dec 10, 2025 - 00:46 PST

Monitoring

AWS has resolved the underlying issues. Our data ingestion system in the EU environment has fully recovered, and the US environment is currently in the process of recovering. We will continue to closely monitor the system until full stability is confirmed.
Posted Dec 09, 2025 - 22:10 PST

Identified

We have identified the root cause as an AWS dependency that is experiencing errors in both EU and US production environments. We are currently waiting for AWS to resolve the underlying issues and will continue to closely monitor the situation.
Posted Dec 09, 2025 - 20:51 PST

Update

We've identified the root cause as being a critical dependency in AWS experiencing a high error rate. We are monitoring and communicating with AWS to resolve this as soon as possible.
Posted Dec 09, 2025 - 20:21 PST

Investigating

Our data processing systems are delayed. This incident started at 6:10pm PDT.

Current status:
a) Our ingestion systems are working as expected and no data is lost. Our processing systems are not processing newly ingested data.
c) Impacted customers will see delayed metrics from /batch endpoint for the last 80 minutes and metrics from real time endpoint for the last 33 minutes.

We are investigating the issue and will post an update in an hour or earlier if we identify the issue.
Posted Dec 09, 2025 - 19:40 PST
This incident affected: Data (Data Processing).