2021-01-01: IncreasedErrorRateOtherBackends
Summary
Increased error rate of other backends, highly likely due to database pressure of the beginning of the month automation
More information will be added as we investigate the issue.
Timeline
All times UTC.
2021-01-01
01:41 - ggillies receives page https://gitlab.pagerduty.com/incidents/PLY4ILV?utm_source=slack&utm_campaign=channel
01:45 - ggillies declares incident in Slack.
01:46 - page https://gitlab.pagerduty.com/incidents/PLY4ILV?utm_source=slack&utm_campaign=channel resolves without intervention
03:18 - ggillies receives page https://gitlab.pagerduty.com/incidents/P1LGOLM?utm_source=slack&utm_campaign=channel
03:23 - page https://gitlab.pagerduty.com/incidents/P1LGOLM?utm_source=slack&utm_campaign=channel resolves without intervention
05:22 - ggillies receives pages https://gitlab.pagerduty.com/incidents/PHC09G7?utm_source=slack&utm_campaign=channel https://gitlab.pagerduty.com/incidents/PZ3QJNQ?utm_source=slack&utm_campaign=channel https://gitlab.pagerduty.com/incidents/PNJ24WM?utm_source=slack&utm_campaign=channel
Corrective Actions
Click to expand or collapse the Incident Review section.
Incident Review
Summary
- Service(s) affected:
- Team attribution:
- Time to detection:
- Minutes downtime or degradation:
Metrics
Customer Impact
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Who was impacted by this incident? (i.e. external customers, internal customers)
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What was the customer experience during the incident? (i.e. preventing them from doing X, incorrect display of Y, ...)
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How many customers were affected?
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If a precise customer impact number is unknown, what is the estimated impact (number and ratio of failed requests, amount of traffic drop, ...)?
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What were the root causes?
Incident Response Analysis
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How was the incident detected?
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How could detection time be improved?
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How was the root cause diagnosed?
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How could time to diagnosis be improved?
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How did we reach the point where we knew how to mitigate the impact?
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How could time to mitigation be improved?
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What went well?
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Post Incident Analysis
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Did we have other events in the past with the same root cause?
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Do we have existing backlog items that would've prevented or greatly reduced the impact of this incident?
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Was this incident triggered by a change (deployment of code or change to infrastructure)? If yes, link the issue.
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Lessons Learned
Guidelines
Resources
- If the Situation Zoom room was utilised, recording will be automatically uploaded to Incident room Google Drive folder (private)