Outage in Coveralls

Reports of "Website under heavy load" errors

Resolved Minor
August 19, 2025 - Started about 2 months ago - Lasted about 3 hours
Official incident page

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Outage Details

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.
Components affected
Coveralls .io Web Coveralls .io API
Latest Updates ( sorted recent to last )
RESOLVED about 2 months ago - at 08/19/2025 05:26PM

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.

MONITORING about 2 months ago - at 08/19/2025 04:24PM

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

INVESTIGATING about 2 months ago - at 08/19/2025 03:21PM

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.

Latest Coveralls outages

504 Timeout Errors on Coverage Uploads - 12 days ago
Elevated 504 Timeout Errors - about 1 month ago
More reports of “Website under heavy load” - about 2 months ago
Reports of "Website under heavy load" errors - about 2 months ago
Intermittent request rejections - about 2 months ago

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