Installed application — CPU, memory and I/O performance section

  • Release version: Washingtondc
  • Updated February 1, 2024
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    Summary of Installed Application — CPU, Memory and I/O Performance Section

    The Installed Application Performance section within IT Service Management provides critical metrics on CPU usage, memory usage, and I/O performance for applications. This data is essential for optimizing system performance, allocating resources effectively, planning capacity, and troubleshooting issues that may arise.

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    Key Features

    • Current CPU Usage: Indicates the percentage of processing power consumed by the application. High CPU usage can lead to decreased application performance and slower response times.
    • CPU Usage Trend: Tracks CPU usage over selected timeframes (2 hours, 24 hours, or 15 days) to identify potential performance issues and optimize resources.
    • Current Memory Usage: Shows the percentage of RAM consumed, with high usage potentially causing application crashes or instability.
    • Memory Usage Trend: Monitors memory usage over time to manage resources effectively and ensure application reliability.
    • I/O Read: Measures the retrieval of data from storage, which affects application speed. Monitoring allows for performance assessment across different app versions.
    • I/O Write: Evaluates the process of data storage, influencing application performance and data integrity.

    Key Outcomes

    By utilizing the performance metrics provided, ServiceNow customers can proactively identify and resolve performance bottlenecks, ensuring optimal application operation. Monitoring CPU, memory, and I/O performance helps in improving user satisfaction and maximizing productivity while reducing the risk of downtime.

    The installed application performance section provides information on CPU usage, CPU usage trends, memory usage, and memory usage trends. This information is important for optimizing system performance, resource allocation, capacity planning, and troubleshooting.

    Table 1. CPU, memory and I/O performance of your application
    Cards Description
    Current CPU usage
    Amount of processing power consumed by an application in percentage.
    Note:
    High CPU usage can result in degraded application performance, slower response times, and decreased user satisfaction. Identify performance bottlenecks and take proactive steps to optimize application performance.
    CPU usage - <time>
    Note:
    The <time> range of the performance data can cover the past 2 hours, 24 hours, or 15 days, depending on the timeframe you select from the provided drop-down list in the Performance section.
    		 Trend of how much processing power is being used to execute the application's instructions and how your system's CPU usage changed over a specified period.
    Note:
    By tracking CPU usage over time, you can identify potential performance issues and take steps to optimize system resources and improve the overall digital end-user experience.
    Current memory usage
    Amount of memory (RAM) consumed by an application in percentage.
    Note:
    High memory usage can result in degraded application performance, slower response times, and potentially lead to crashes or system instability. Monitor memory usage to optimize resource allocation and capacity planning, ensuring that applications have sufficient resources to meet user demands.
    Memory usage - <time>
    Note:
    The <time> range of the performance data can cover the past 2 hours, 24 hours, or 15 days, depending on the timeframe you select from the provided drop-down list in the Performance section.
    		 Trend of how much memory (RAM) your application or system is using over a specific period.
    Note:
    By optimizing memory usage, you can reduce the risk of downtime, improve application performance, and maximize employee productivity.
    Current I/O read Retrieval of data from storage devices, impacting application speed and responsiveness.
    Note:
    Monitoring I/O read can reveal performance differences between different versions of the app.
    I/O read - <time>
    Note:
    The <time> range of the performance data can cover the past 2 hours, 24 hours, or 15 days, depending on the timeframe you select from the provided drop-down list in the Performance section.
    		 Tracks the history of data retrieval operations, providing insights into performance trends and potential bottlenecks.
    Current I/O write Process of storing data to storage devices, influencing application performance and data integrity.
    I/O write - <time>
    Note:
    The <time> range of the performance data can cover the past 2 hours, 24 hours, or 15 days, depending on the timeframe you select from the provided drop-down list in the Performance section.
    		 Tracks the history of data storage operations, facilitating performance analysis and data management assessment.

    To return to the Installed application details page, see Installed application details page.