Bohan Zhang, a member of OpenAI's Infrastructure team, recently shared the company's best practices with PostgreSQL at the PGConf.dev 2025 Global Developer Conference. The talk offers a glimpse into the database usage of one of the most prominent unicorn companies and demonstrates how PostgreSQL can scale gracefully under massive read loads. OpenAI utilizes managed databases on Azure, employing a classic PostgreSQL primary-replication architecture without sharding. This article covers the content of Zhang's talk along with comments and includes some more details about OpenAI's infrastructure.
Bohan Zhang, a member of OpenAI's Infrastructure team, recently shared the company's best practices with PostgreSQL at the PGConf.dev 2025 Global Developer Conference. The talk offers a glimpse into the database usage of one of the most prominent unicorn companies and demonstrates how PostgreSQL can scale gracefully under massive read loads. OpenAI utilizes managed databases on Azure, employing a classic PostgreSQL primary-replication architecture without sharding. This article covers the content of Zhang's talk along with comments and includes some more details about OpenAI's infrastructure.
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Among the actives, Ascendas REIT sank 0.64 percent, while CapitaLand Integrated Commercial Trust plummeted 1.42 percent, City Developments plunged 1.12 percent, Dairy Farm International tumbled 0.86 percent, DBS Group skidded 0.68 percent, Genting Singapore retreated 0.67 percent, Hongkong Land climbed 1.30 percent, Mapletree Commercial Trust lost 0.47 percent, Mapletree Logistics Trust tanked 0.95 percent, Oversea-Chinese Banking Corporation dropped 0.61 percent, SATS rose 0.24 percent, SembCorp Industries shed 0.54 percent, Singapore Airlines surrendered 0.79 percent, Singapore Exchange slid 0.30 percent, Singapore Press Holdings declined 1.03 percent, Singapore Technologies Engineering dipped 0.26 percent, SingTel advanced 0.81 percent, United Overseas Bank fell 0.39 percent, Wilmar International eased 0.24 percent, Yangzijiang Shipbuilding jumped 1.42 percent and Keppel Corp, Thai Beverage, CapitaLand and Comfort DelGro were unchanged.
Spiking bond yields driving sharp losses in tech stocks
A spike in interest rates since the start of the year has accelerated a rotation out of high-growth technology stocks and into value stocks poised to benefit from a reopening of the economy. The Nasdaq has fallen more than 10% over the past month as the Dow has soared to record highs, with a spike in the 10-year US Treasury yield acting as the main catalyst. It recently surged to a cycle high of more than 1.60% after starting the year below 1%. But according to Jim Paulsen, the Leuthold Group's chief investment strategist, rising interest rates do not represent a long-term threat to the stock market. Paulsen expects the 10-year yield to cross 2% by the end of the year.
A spike in interest rates and its impact on the stock market depends on the economic backdrop, according to Paulsen. Rising interest rates amid a strengthening economy "may prove no challenge at all for stocks," Paulsen said.
