Resolved -
On April 23, 2026 between 23:32 and 01:20 UTC, GitHub Issues and Issues Advanced Search experienced degraded availability in a GHEC DR environment due to a unintentional storage node removal in our Elasticsearch cluster during a routine OS upgrade. 2.9% of searches in this environment failed during this period.
We restored the affected indexes from a backup and brought the index up to date. We are adding additional automation and safeguards to our maintenance processes to prevent this type of incident happening again
Apr 24, 01:20 UTC
Update -
Issues is operating normally.
Apr 24, 01:16 UTC
Update -
We have identified the issue with missing search data and are working to restore it.
Apr 24, 00:51 UTC
Update -
Issues is experiencing degraded availability. We are continuing to investigate.
Apr 24, 00:33 UTC
Investigating -
We are investigating reports of impacted performance for some GitHub services.
Apr 23, 23:58 UTC