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Past Incidents

Aug 30, 2025

No incidents reported today.

Aug 29, 2025

No incidents reported.

Aug 28, 2025

No incidents reported.

Aug 27, 2025

No incidents reported.

Aug 26, 2025

No incidents reported.

Aug 25, 2025

No incidents reported.

Aug 24, 2025

No incidents reported.

Aug 23, 2025

No incidents reported.

Aug 22, 2025

No incidents reported.

Aug 21, 2025

No incidents reported.

Aug 20, 2025

More reports of “Website under heavy load”

Postmortem - Read details
Aug 20, 15:22 PDT

Resolved - We have implemented an intermediate solution and believe this issue has been resolved for now. To fully resolve the root cause, we will need to implement a more long-term solution, which is currently in design. (Please read postmortem for more information.)

In the meantime, we will be doing our best to monitor for spikes in traffic from outlier repos and manually respond where our intermediate solution may not mitigate as much as we hope it will.
Aug 20, 15:21 PDT

Monitoring - A fix has been implemented and we are monitoring the results.
Aug 20, 12:08 PDT

Identified - The issue has been identified and a fix is being implemented.
Aug 20, 10:11 PDT

Update - We are continuing to investigate this issue.
Aug 20, 10:11 PDT

Investigating - We are currently investigating this issue.
Aug 20, 08:48 PDT

Aug 19, 2025

Reports of "Website under heavy load" errors

Postmortem - Read details
Aug 19, 11:51 PDT

Resolved - We believe we have resolved all intermittent instances of the "This website is under heavy load" 503 error from our HTTP servers.

If you should happen to receive that error from here, please let us know at: support@coveralls.io.
Aug 19, 10:26 PDT

Monitoring - A fix has been implemented and we are monitoring the results.
Aug 19, 09:24 PDT

Investigating - We are continuing to receive errors of customers receiving "This website is under heavy load" errors from our HTTP servers, even as traffic is normal.

We implemented a fix last night that resolved the issue for 6-8 hrs, until we received a new report.

We are investigating the issue to identify a permanent fix.

In the meantime, if you receive this error, please re-try your request.
Aug 19, 08:21 PDT

Reports of "Website under heavy load" errors

Postmortem - Read details
Aug 19, 11:57 PDT

Resolved - This incident has been resolved.
Aug 19, 01:10 PDT

Update - We are continuing to monitor for any further issues.
Aug 19, 00:52 PDT

Update - We are continuing to monitor for any further issues.
Aug 18, 23:51 PDT

Update - We are continuing to monitor for any further issues.
Aug 18, 20:56 PDT

Update - We are continuing to monitor for any further issues.
Aug 18, 15:24 PDT

Monitoring - A fix has been implemented and we are monitoring the results.
Aug 18, 14:23 PDT

Identified - The issue has been identified and a fix is being implemented.
Aug 18, 13:25 PDT

Investigating - We are investigating reports of this error which was first seen last week.

We believe this is an error being thrown by our HTTP server but has nothing to do with actual website load, which is currently normal.

If you receive this error, please re-try your request.
Aug 18, 12:25 PDT

Aug 18, 2025

Aug 17, 2025

No incidents reported.

Aug 16, 2025

No incidents reported.