How a lean investment firm doubled Oracle processing speed, eliminated Bloomberg Anywhere user complaints, and avoided costly VMware and RAM upgrades--using software-based I/O optimization instead of new hardware.
When a global investment firm shifted to remote work, performance problems quickly surfaced across mission-critical systems. Oracle data warehouse jobs slowed dramatically, and users experienced frequent login failures when accessing Bloomberg Anywhere through Horizon VMs. Despite modern VMware ESXi infrastructure and fast storage, the firm faced growing pressure to add RAM and expand hosts—an expensive and disruptive path for a two-person IT team. Rather than pursuing hardware upgrades, the firm deployed DymaxIO® across all Windows virtual machines running on its ESXi
hosts. DymaxIO optimizes I/O at the Windows OS level, eliminating inefficient small, fragmented I/O and dynamically caching reads in unused memory. This “set-it-and-forget-it” approach immediately reduced unnecessary storage traffic and improved system throughput. The results were both immediate and measurable. Oracle warehouse jobs ran twice as fast, dropping from four minutes to two. User complaints tied to Bloomberg Anywhere and Exchange performance disappeared—without increasing VM memory allocations or adding new infrastructure. Over a 30-day period, DymaxIO
eliminated more than 800 million storage I/Os, saving an estimated 22 days of storage processing time. By offloading over half of read operations and nearly half of write operations from storage, the firm preserved performance headroom, extended hardware life, and avoided additional VMware licensing, SAN expansion, and power costs. For a small IT team, DymaxIO delivered enterprise-class performance gains with minimal operational overhead. This case study shows how optimizing Windows I/O—rather than replacing hardware—can unlock hidden performance, stabilize
virtual environments, and deliver immediate ROI in database-driven, remote-access workloads.
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