LinkedIn's Real-Time Graph Database Is LIquid – The New Stack

“We needed it to be on the Daytona 500 side of the graph databases,” LinkedIn Chief Architect for LIquid tells The New Stack. May 2nd, 2023 8:00am by Joab Jackson Everything that LinkedIn knows about the global economy is kept in a single graph database, all on working memory. “The Economic Graph, is our digital representation of the global economy that we use to answer questions about and provide insights into the dynamics of the global workforce and job market,” wrote LinkedIn’s Director of Engineering Dr. Bogdan Arsintescu in a blog item posted Tuesday. Arsintescu is the chief architect of LIquid, the real-time graph database system powering the Economic Graph. His post discusses this latest — the fourth generation — of LinkedIn’s graph database system. LinkedIn has always had a unique set of requirements for a graph system, based on its unique requirements of scale and throughput, he explained, in a follow-up interview with TNS. This Graph is massive, with over 270 billion connected entities, and it expands every time someone joins the service and adds their own info: forever joining their schools, skills, companies, positions, jobs, events, groups, to others with the same background. This allows users keep up
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