Resolved incident

Performance degradation on QStash

Upstash · Minor · Started

Duration
34m
Severity
Minor
Status
Postmortem

Summary

Minor · Postmortem

On 09:43 UTC, QStash experienced degraded service when a high number of requests to a specific domain were throttled, resulting in timeouts during an unexpected phase of the TCP connection establishment. These requests and resulting retries triggered excessive consumption of network resources and negatively impacted all users. We have added more resources to QStash as a quick remediation and as for the resolution, we have improved the timeout mechanism to detect and fail-faster in such cases.

View official incident ↗

Event timeline

How this incident unfolded, from the official status page.

  1. Investigating

    Upstash

    We are currently investigating this issue.

  2. Monitoring

    Upstash

    A fix has been implemented and we are monitoring the results.

  3. Resolved

    Upstash

    This incident has been resolved.

  4. Postmortem

    Upstash

    On 09:43 UTC, QStash experienced degraded service when a high number of requests to a specific domain were throttled, resulting in timeouts during an unexpected phase of the TCP connection establishment. These requests and resulting retries triggered excessive consumption of network resources and negatively impacted all users. We have added more resources to QStash as a quick remediation and as for the resolution, we have improved the timeout mechanism to detect and fail-faster in such cases.