Java Guardian is a premier managed Java performance and diagnostics service developed exclusively by O&B. Designed for enterprises running mission-critical Java workloads, Java Guardian provides deep JVM tuning, real-time application profiling, and expert architectural diagnostics. Our dedicated Java engineers proactively identify code-level bottlenecks and optimize resource utilization, helping organizations drastically reduce cloud costs while guaranteeing scalable, high-speed Java application performance.
No infrastructure changes. No vendor lock-in. Just measurable gains in performance and cost-efficiency.






Seamless Integration. Zero Disruption.
Java Guardian works with your existing Java stack—no code rewrites, no app restarts.
We support on-premises, hybrid, and cloud-native environments.
- Up to 40% reduction in infrastructure costs
- 10x faster incident resolution time
- Developer productivity gains through code-level observability
- Fewer outages and better user experience
The Java Guardian Difference
Transparent Pricing
*Applications being monitored may be changed with 10 business days notice.
*An “application” is defined as a distinct codebase that can be deployed as a single service.
Unsure if this works? Here’s a 14-day free trial.
Experience the benefits of proactive Java optimization and visibility—at no cost. We’ll onboard your team, connect to your JVMs, and deliver real insights and suggested remediation within the trial period.
Contact us to start your 14-day free trial and experience the difference of expert-led Java managed services. No credit card required. No disruption to operations. See measurable insights within days.
Frequently Asked Questions about Java Guardian
What exactly is the Java Guardian diagnostics service?
How does Java Guardian help reduce cloud costs for Java applications?
How We've Helped
Real-World Success Stories
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