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    E-MapReduce:SystemDisk

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    E-MapReduce:SystemDisk

    Last Updated:Oct 19, 2026

    Parameter

    Type

    Description

    Example

    object

    The system cloud disk configuration, including the disk category, size, performance level (PL), and count.

    Category

    string

    The disk category. Valid values:

    • cloud_efficiency: Ultra disk.

    • cloud_ssd: Standard SSD.

    • cloud_essd: ESSD.

    • cloud: Basic disk.

    cloud_essd
    Size

    integer

    The size of the disk. Unit: GB.

    60
    PerformanceLevel

    string

    The settings for the performance level (PL) when an ESSD is used as the system cloud disk. Valid values:

    • PL0: A single disk delivers up to 10,000 random read/write IOPS.

    • PL1 (default): A single disk delivers up to 50,000 random read/write IOPS.

    • PL2: A single disk delivers up to 100,000 random read/write IOPS.

    • PL3: A single disk delivers up to 1,000,000 random read/write IOPS.

    Default value: PL1.

    PL1
    Count

    integer

    The number of system cloud disks per node. Default value: 1.

    1