Changes / Codecov / Upload processing is severely delayed
Codecov: Major incident: Upload processing is severely delayed
Summary
Codecov Backend upload processing was severely delayed in a major-impact incident starting 2026-07-22 15:02 UTC and resolved at 2026-07-22 21:00 UTC, lasting 5 h 57 min. Codecov implemented a fix and reported the task backlog clearing, with affected users beginning to receive notifications.
Machine-written from the diff below (Sol; type: incident degradation). Check the diff before relying on it.
What changed
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After: Upload processing is severely delayed
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After: major
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After: resolved
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After: 2026-07-22 15:02 UTC
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After: 2026-07-22 21:00 UTC
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After: Codecov Backend
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After: We are currently investigating this issue.
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After: The issue has been identified and a fix is being implemented.
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After: A fix has been implemented and we are monitoring the results.
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After: We are currently investigating this issue.
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After: Changes previously implemented showed some improvement, but the issue remains and needs further investigation. Harness coverage team is currently working on additional investigation and changes.
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After: The issue has been identified and a fix is being implemented.
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After: We are continuing to work on a fix for this issue.
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After: The issue has been identified as a an issue with Codecov's redis instance. We are working on a fix.
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After: A fix has been implemented and we are monitoring the results.
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After: The backlog of tasks is clearing at a consistent rate. We will continue monitoring the situation.
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After: The backlog of tasks is continuing to clear, users affected in the early stages of the incident should expect to see their notifications.
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After: This incident has been resolved.
First version of this incident archived by Rewindex. View the live incident.
History of this incident
| When (UTC) | Change | Kind |
|---|---|---|
| Major incident: Upload processing is severely delayed (this change) Codecov Backend upload processing was severely delayed in a major-impact incident starting 2026-07-22 15:02 UTC and resolved at 2026-07-22 21:00 UTC, lasting 5 h 57 min. Codecov implemented a fix and reported the task backlog clearing, with affected users beginning to receive notifications. | Major incident |