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5 Metrics That Lay the Foundation for Database Observability

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Database observability is the number one way to keep data moving smoothly around your environment. But have you ever wondered how the modern observability solution forms such a comprehensive picture of your infrastructure? Let’s check out five key metrics that form the foundation of effective database observability.

Query Execution Times: The Pulse of Your Database

Query execution time is the cornerstone of database performance monitoring. This metric measures how long it takes for a database to process a query and return results. An increase in execution time can signal performance bottlenecks, inefficient queries, or even underlying application issues. By closely monitoring this metric, a unified database observability solution can identify trends, diagnose problems, and offer insights to help ensure optimal system responsiveness.

Resource Usage: The Lifeblood of Performance

Understanding resource usage is vital for maintaining a healthy database environment.

  • CPU consumption: Tracking CPU usage helps identify overutilization or underutilization, enabling proactive adjustments in resource allocation.
  • Memory consumption: Tracking memory usage allows a database observability solution to pinpoint potential bottlenecks, helping ensure that applications have the resources they need to operate efficiently.
  • Disk I/O: This metric indicates how data is read from or written to storage, affecting everything from query response times to overall system performance.

  • Access to resource usage metrics like these helps a database observability solution form a clear picture of the database environment's overall capacity. This enables timely interventions to mitigate potential issues when the pressure comes on.

    Storage I/O: The Backbone of Data Management

    Storage I/O allows us to understand how data is accessed and stored within the database. High levels of disk I/O can suggest that the database is struggling to keep pace with requests. Monitoring reads, writes, and throughput metrics helps maintain optimal data flow, as well as guide decisions regarding storage architecture. The results? Faster SSDs, optimized indexing strategies, and improved data partitioning.

    Connection Counts: Gauging Demand and Capacity

    Tracking connection counts tells us how many users or applications interact with the database. High connection counts can lead to performance degradation or even downtime if the database reaches its connection limit. Keeping an eye on connection counts is helpful for understanding how many users your database can handle without a hitch. By tracking these numbers, a database observability solution can get a sense of when it might be time to ramp up resources or put some limits on connections. This way, you can make sure your database stays within safe limits and is ready to handle busy times without any issues.

    Error Rates: Spotlight on Issues

    There are a host of different errors that a database observability tool can track, including:

  • Timeout errors: Frequency and duration of query timeouts.
  • Data integrity errors: Constraint violations and inconsistencies.
  • Transaction errors: Issues with transaction statuses, deadlocks, and performance.
  • Locking errors: Number and duration of data locks.
  • Replication errors: Status of replication processes and inconsistencies.
  • Resource allocation errors: Resource usage exceeding thresholds.

  • High error rates can impact application performance and user satisfaction, making access to these metrics central to achieving swift remediation. A database observability solution leverages error rates to enable root cause analysis through correlation with specific queries and user sessions. It analyzes historical trends to identify recurring issues, assesses the impact of errors on applications, and generates automated reports for data-driven decision-making.

    Laying the Groundwork for Unified Database Observability

    It’s important to remember that IT professionals have had the tools to measure these metrics for some time. It’s the capacity of database observability solutions to aggregate and analyze these numbers that is truly game-changing. Traditionally, database administrators attained this information using separate tools; they then had to process them manually to figure out what was happening in their database environment. The result was fragmented insights, slow issue identification, and, often, a poor user experience.

    Modern database observability solutions obtain, assess, and interpret metrics in the context of other key factors, such as logs and traces. Increasingly, machine learning is utilized to speed up processing and even intervene before problems occur. Understanding the individual data points is one thing, but adopting an observability solution that integrates all metrics is the only way to gain a comprehensive view of your database environment.

    A recent whitepaper outlined the four pillars of database observability. Has your organization covered these? Read it now.

    Headshot of author RJ Gazarek
    RJ Gazarek
    RJ Gazarek is the Director of Product Marketing for ITSM and Database at SolarWinds. He has worked for various tech companies over the last 10…
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