AppDynamics switched from Semantic Versioning to Calendar Versioning starting in February 2020 for some agents and March 2020 for the entire product suite.

    Skip to end of metadata
    Go to start of metadata

    You are viewing an old version of this page. View the current version.

    Compare with Current View Page History

    Version 1 Next »

    On this page:

    Related pages:

    Your Rating:
    1 Star2 Star3 Star4 Star5 Star
    5 rates

    To access: AppDynamics Home > Servers > double-click server > Volumes

    In the Server Volumes tab, you can: 

    • See in the list of volumes, percentage used and total storage space available on the disk, partition or volume.
    • See disk usage and I/O utilization, rate, operations per second, and wait time
    • Change the time period of the metrics collected and displayed.
    • Click on any point on a chart to see the metric value for that time.

    Metrics in the Server Volumes Tab

    For each selected disk, partition or volume, the following describes the columns available for the Server Volumes window. 

    • Disk Usage %: The percentage of storage space in use. (You can configure how this metric is calculated on Linux; see Configure Disk Usage Metric Collection on Linux.)
    • I/O Utilization %The percentage of time spent performing read and write operations.
    • I/O Rate readThe number of kilobytes per second of data read.
    • I/O Rate writeThe number of kilobytes per second of data write.
    • I/O Operations per sec read: The number of read operations per second.
    • I/O Operations per sec write: The number of write operations per second
    • I/O Wait Time readThe percentage of time the CPU was waiting for read operations to complete.
    • I/O Wait Time writeThe percentage of time the CPU was waiting for write operations to complete.


    • Volume space metrics on POSIX systems are obtained using the "df" command. 
    • On Linux, the space reserved for root is not counted in the available space.
    • No labels