Red Hat reported revenue of $823 million, up 14% in USD year-over-year, for its second quarter of fiscal year 2019 ended August 31, 2018. GAAP operating income for the quarter was $135 million. Non-GAAP operating income for the second quarter was $197 million, up 3% year-over-year. For the second quarter, GAAP operating margin was 16.4% and non-GAAP operating margin was 23.9%.

- Subscription revenue from Infrastructure-related offerings for the quarter was $527 million, an increase of 8% in USD year-over-year, or 8% measured in constant currency.
- Subscription revenue from Application Development-related and other emerging technology offerings for the quarter was $196 million, an increase of 31% in USD year-over-year, or 31% measured in constant currency.