Existing backers Sequoia Capital, US Venture Partners, ATA Ventures and former Cisco executive Don Listwin also participated in the round.
Sequoia, USVP and ATA previously backed the company’s $16.5m Series C round in May.
The company said it will use the latest funds for further product development as well as to increase its customer base, which includes AOL, Rakuten Global Markets and Symantec.
Clustrix said its database enables high-scale transaction throughput, real-time analytics and simplified operations.
HighBar managing partner John Kim said, “With a solid product and the backing of executive leadership and investors, Clustrix is positioned as a game-changer.
“We look forward to working with the Clustrix team to accelerate growth as they address the need for high-performance and scalable SQL databases.”
HighBar, which was launched in 1995 as a personal investment vehicle for Sun Microsystems co-founders Bill Joy and Andy Bechtolsheim, invests in companies which develop infrastructure software. It is managed by Roy Thiele-Sardiña and John Kim.
In June the firm closed its latest venture fund on $130m, beating its $100m target.
Copyright © 2013 AltAssets