SentryOne's Monitoring (MDO) Methodology Overview

Monitor, Diagnose, and Optimize your SQL Server environment

SentryOne delivers industry-leading SQL Server performance monitoring solutions based on our proven Monitor • Diagnose • Optimize (MDO) Methodology. With thousands of trusted users of the SentryOne Monitoring Platform today, SentryOne solves—and preventsfuture database performance bottlenecks that could drag down data delivery or even bring business data systems to a halt.

End reactive database firefighting and start proactively optimizing database performance


Our MDO approach forms the framework of our Monitoring Platform products.  Like any other database performance monitoring tool, we help you monitor your SQL Server environment through intuitive performance dashboards, metrics reports, and general alerts, so you can quickly identify and react to existing performance bottlenecks. 

MDO takes you beyond monitoring to in-depth diagnoses of a wide range of common performance issues related to poorly performing SQL queries and resource contentions across the database, OS, and virtual environment.  Our methodology also offers proactive database optimization capabilities like Event Chains, which help you efficiently manage multiple events to prevent resource contentions.  And our Storage Forecasting, based on predictive analytics, can help you predict when additional database and hardware resources will be needed to prevent future bottlenecks.


(M) Monitor: With the SentryOne Monitoring Platform, you can continuously gather and monitor actionable performance metrics for SQL Server and the entire Microsoft Data Platform stack, including the underlying Windows OS or Virtual Machine environment.

(D) Diagnose:  You can use detailed performance metrics in SentryOne to quickly and accurately diagnose performance problems. Using the intuitive "Jump To" navigation in the Performance Dashboard, you can drill down into the details to effectively troubleshoot and separate the urgent from the non-urgent performance problems.

(O) Optimize: Go beyond monitoring and diagnosing with capabilities that help you optimize your data systems for continuous peak performance. The broad range of optimization features in the SentryOne Monitoring Platform accelerate database performance and ensure that your database system meets your business requirements.

With SentryOne's Monitor • Diagnose • Optimize approach, you can evolve from reactive database firefighting mode to proactive management of your data system environment. With SentryOne, you save valuable time and money, and you eliminate the many management headaches DBAs typically face on a daily basis.

MDO Methodology Explained Graph
SentryOne MDO Methodology

SentryOne Monitoring Platform Products

SentryOne platform products designed for SQL Server, Analysis Services, and Windows Server provide coverage for your entire physical environment. VMware and Hyper-V solutions add support for your virtual environments. Our products for Microsoft APS, Azure SQL Data Warehouse, and Azure SQL Database help you optimize specific environments and cloud-based systems.


SQL Sentry

Everything DBAs need to monitor, diagnose, and optimize SQL Server, plus integrated Plan Explorer, the premier SQL query analysis, and optimization tool.

SQL Sentry Essentials

Get started with SQL Sentry Essentials, which gives you all you need to keep up to five SQL Server targets running at optimum performance.

Win Sentry

Win Sentry tracks performance for all Windows processes and services. The Hyper-V host dashboard shows how resources are allocated by VM.

V Sentry

V Sentry provides VMware admins and DBAs a unique view of resource utilization to analyze network, memory, CPU, and storage performance on VM hosts and VMs.

BI Sentry

BI Sentry provides insight into SQL Server Analysis Services performance issues related to memory and storage systems, aggregation usage, unoptimized queries, and more.

DB Sentry

Keeps Azure SQL Databases running at peak efficiency with performance monitoring metrics including DTU usage.

DW Sentry

Unified solution for performance monitoring of Azure SQL Data Warehouse that provides visibility into impacts on workloads.

APS Sentry

Performance monitoring for Microsoft Analytics Platform system. Maximize your investment by running at peak performance.

SentryOne is being used to monitor SQL Server performance across our entire organization, providing trending, alerting, and helping us solve the "death by a thousand cuts" types of issues that are more of a challenge to pinpoint.

—Lars Rasmussen, Senior DBA, Solera


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