ScyllaDB Closes $16 Million in Series B Funding to Expand Open Source and Enterprise Product Features for Its Cassandra Database

ScyllaDB has secured $16 million in Series B funding led by Western Digital Capital, Samsung Ventures, Magma Ventures, and Qualcomm Ventures, with participation from Bessemer Venture Partners. The funding round will be used to accelerate sales and marketing and to expand both open source and enterprise product features of ScyllaDB’s drop-in replacement for Apache Cassandra.

“ScyllaDB redefined Apache Cassandra,” said Dor Laor, founder and CEO of ScyllaDB. “We invite the Apache Cassandra community to join us in our mission to be the number one NoSQL database in performance and availability.”

Apache Cassandra ScyllaDB databasePreviously, database users were forced to choose between Apache Cassandra for availability and Redis for performance. ScyllaDB would eliminate this compromise by redesigning Apache Cassandra from scratch. By replacing JVM with performance-enhancing C++ and leveraging the very best from Apache Cassandra in high availability, fault tolerance, and protocol, ScyllaDB would offer developers a dramatically higher-performing and resource-effective drop-in replacement.

“Every once in a while there is a team that decides to tackle an intractable technology problem from a completely new angle,” said Adam Fisher, partner at Bessemer Ventures. “ScyllaDB didn’t take any shortcuts in developing an uncompromising NoSQL database that will upend the high-performance database market and we are proud to be investors.”

Launched in 2015, open source ScyllaDB has quickly gained traction within the Apache Cassandra community. The ScyllaDB team consists of the technologists behind Qumranet, the company that developed the KVM hypervisor (acquired by Red Hat in 2008) and open source specialists from 13 countries.

Several major companies have deployed ScyllaDB in production, including:

  • IBM – “ScyllaDB’s NoSQL database offers a powerful combination of low latency and high availability, making it an attractive option for customers of our Watson Data Platform offering,” said Derek Schoettle, general manager, IBM Watson Data Platform.
  • AppNexus – “We have a 47 node cluster across 5 data centers,” said Andrew Sweeney, VP of engineering at AppNexus. “With ScyllaDB we were able to reduce hardware cost and achieve great throughput and latency. Had we used Apache Cassandra for the same use case, we estimated that the cluster would have been at least twice as large.”
  • CPI Card Group – “In short, ScyllaDB rocks,” said Mac Smith, engineer at CPI Card Group. “It does exactly what we need [distribute a Cassandra load] runs very fast, and allows us to generate reports against historical data without waiting a month…Love it.”
  • com – “When we heard of a Cassandra drop-in-replacement, we were skeptics,” said Gabriel Mizrahi, CTO at “But very quickly we found it is all true. ScyllaDB completely eliminated latency and garbage issues and its high availability utilization allowed us to shrink the cluster size by half!”
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