Resolved on May 25, 2022.
May 25th, 9:54am - our monitoring showed elevated latency on the iOS signup API calls, in p95 and p99 latencies. Users clicking the Signup \(not Login\) button on iOS have a longer wait time than normal. May 25th, 10:02am - we identified the root cause, hitting the AWS service limit on concurrent lambda execution in this specific AWS account, making some of those calls timeout or take up to 10-15 seconds. May 25th, 10:18am - a fix has been pushed to production, the iOS signups are back to normal.
Update timeline
- resolved Jun 13, 2022, 04:12 PM UTC
We're experiencing an elevated level of API latency affecting iOS signups and are currently looking into the issue.
- postmortem Jun 13, 2022, 04:12 PM UTC
May 25th, 9:54am - our monitoring showed elevated latency on the iOS signup API calls, in p95 and p99 latencies. Users clicking the Signup \(not Login\) button on iOS have a longer wait time than normal. May 25th, 10:02am - we identified the root cause, hitting the AWS service limit on concurrent lambda execution in this specific AWS account, making some of those calls timeout or take up to 10-15 seconds. May 25th, 10:18am - a fix has been pushed to production, the iOS signups are back to normal.
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