Key Features

  • iSula: A lightweight container solution that unifies IoT, edge, and cloud computing.

    • Anonymous volumes can be configured in the image, and local volumes can be easily managed by users.
    • The isula-build allows you to pull and push images and save multiple images to a tarball.
  • A-Tune: An intelligent system performance optimization engine that infers service features and configures the optimal system parameter set for the best service operations. The following functions are added:

    • Incremental tuning
    • Sensitive parameter identification, filtering, and tuning
    • Tuning capabilities for VM scenarios
    • One-click model training
  • Multiple JDK versions are supported to meet different requirements on compatibility, performance, and functions.

    • The operating system supports multiple JDK versions, allowing users to deploy Java applications of multiple versions. The versions and functions supported are as follows:
    • Java 11. For details, see JDK 11.
    • TLS 1.3 for a more secure protocol
    • Java Flight Recorder, an efficient Java application diagnosis tool with low performance loss
    • Experimental ZGC algorithm with low latency
    • The latest Short Term Support (STS) version is supported, which is JDK 15 currently. For details, see JDK 15.
    • Pattern Matching for instanceof (Second Preview)
    • Production-ready ZGC
    • Production-ready Shenandoah GC
    • Foreign-Memory Access API (Second Incubator)
    • Records (Second Preview)
  • Kernel feature enhancement

    • Huawei 1822 HBA card driver
    • NVDIMMs for higher performance in service scenarios such as big data
    • FT-2000+/64 of Phytium processors for general-purpose computing
    • The iSCSI work thread can be bound to cores based on NUMA-aware affinity to improve I/O performance.
    • The percpu lock-free function of the file cache is optimized to reduce the atomic overhead and improve the performance of concurrent file access and Nginx scenarios.
  • Virtualization feature enhancement

    • ARM virtualization supports CPU/memory hot plug, making resource configuration more flexible.
    • The KVM CPU can be set to the custom mode (ARM) to customize configurations of the CPU feature on the VM.
    • The O&M tool VMTOP is used to quickly collect VM performance indicators, such as exit/entry.
    • Secure boot is supported to improve VM security.
  • Desktop support

    • Default UKUI desktop environment on Kylin OS
    • DDE (Uniontech-developed desktop system)
  • High reliability

    • HA cluster software comprising Pacemaker and Corosync
  • Hardware enablement

    • Raspberry Pi serial boards
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