Udemy Outage History

Users were unable to access Udemy.com due to upstream connection errors that caused disconnect/reset issues before headers could be processed. The outage lasted 41 minutes before a fix was implemented and the service was restored. Users experienced overflow-related connection failures when attempting to reach the platform.

Udemy experienced a 16.7-hour service disruption caused by a third-party AWS infrastructure issue involving datacenter overheating due to cooling system failure. Logged-in users encountered errors when trying to sign in or watch content, with degraded performance and intermittent errors throughout the incident. The issue was resolved once AWS restored their cooling systems and datacenter operations returned to normal.

Udemy experienced a stability issue that degraded site performance for 7.1 hours. The incident affected the main website's functionality and user experience. A fix was implemented and monitored before the issue was fully resolved.

Udemy experienced a stability issue that degraded site performance for 42 minutes, affecting load times across the platform. The engineering team investigated and implemented fixes, with services gradually stabilizing and performance returning to normal. The incident was fully resolved with continued monitoring to ensure platform stability.

Some Udemy users experienced a blank screen instead of the video player when trying to watch courses in web browsers, preventing them from accessing their course content. The issue lasted 51 minutes and affected web browser users specifically, while the mobile app remained functional as a workaround. Udemy's engineering team deployed a fix that restored normal video playback functionality.

Udemy experienced a major service incident where learners encountered blank screens when trying to access courses. The engineering team investigated and resolved the root cause of the course access issue. The incident lasted 24 minutes before being resolved.

Udemy.com experienced a stability issue that caused pages to load incorrectly, requiring multiple attempts to access content, with some users encountering "no healthy upstream" errors. The site degradation affected normal browsing and course access functionality. The incident was resolved after 1.7 hours.

Udemy experienced an issue where some learners received an unusually high number of email notifications from the platform. The incident lasted approximately 24 hours and was classified as minor severity. The engineering team implemented a fix and monitored the results before confirming the issue was fully resolved.

Udemy experienced a major stability issue lasting 50 minutes that caused blank pages and site slowness for users. The engineering team identified and resolved the underlying stability problem, restoring normal performance. The incident was fully resolved with continued monitoring to ensure complete restoration.

Udemy experienced a major incident where non-cached course landing pages failed to load, preventing users from accessing course content and displaying errors instead. The issue affected learners' ability to view course pages for approximately 5.6 hours. The problem was identified, a fix was implemented and monitored, and the incident was fully resolved.