ANTs Data Server Supports 64-Bit Linux on Opteron | Technology News Daily:

"ANTs software, inc. today announced version 3.2 of the ANTs Data Server (ADS), the only lock-free relational database management system architected for the next generation of trading applications running on Linux. Supporting popular 64-bit Linux operating system implementations running on low-cost AMD Opteron platforms, ADS 3.2 sets a new price-performance benchmark, allowing very large OLTP and real-time analytical processing and reporting in main memory."

[It is capable of] delivering extraordinary database performance in high volume, update-intensive transactional systems. A full-featured SQL RDBMS, the ANTs Data Server is designed to operate as a standalone database.