Incidents/2022-06-12 appserver latency

From Wikitech
Jump to navigation Jump to search

document status: draft

Summary

Incident metadata (see Incident Scorecard)
Incident ID 2022-06-12 appserver latency Start 2022-06-12 08:14 UTC
Task T310431 End 2022-06-12 08:44 UTC
People paged Responder count
Coordinators Affected metrics/SLOs
Impact For about 30 minutes, backends were intermittently slow or partially unresponsive. This affected a portion of logged-in clients and uncached page views.

Documentation:

Scorecard

Incident Engagement ScoreCard
Question Answer

(yes/no)

Notes
People Were the people responding to this incident sufficiently different than the previous five incidents?
Were the people who responded prepared enough to respond effectively
Were fewer than five people paged?
Were pages routed to the correct sub-team(s)?
Were pages routed to online (business hours) engineers? Answer “no” if engineers were paged after business hours.
Process Was the incident status section actively updated during the incident?
Was the public status page updated?
Is there a phabricator task for the incident?
Are the documented action items assigned?
Is this incident sufficiently different from earlier incidents so as not to be a repeat occurrence?
Tooling To the best of your knowledge was the open task queue free of any tasks that would have prevented this incident? Answer “no” if there are

open tasks that would prevent this incident or make mitigation easier if implemented.

Were the people responding able to communicate effectively during the incident with the existing tooling?
Did existing monitoring notify the initial responders?
Were the engineering tools that were to be used during the incident, available and in service?
Were the steps taken to mitigate guided by an existing runbook?
Total score (count of all “yes” answers above)