This topic describes the updates to Alibaba Cloud Linux 3 images. The release notes are ordered by release date, from the latest to the earliest.

Image ID Release date Description
aliyun_3_x64_20G_alibase_20210425.vhd 2021-04-25
  • The Alibaba Cloud Linux 3.2104 64-bit base image is updated.
  • Kernel updates: The kernel is updated to the 5.10.23-5.al8.x86_64 version.
aliyun_3_x64_20G_alibase_20210415.vhd 2021-04-16
  • The Alibaba Cloud Linux 3.2104 64-bit base image is released.
  • Kernel description:
    • The kernel is based on the 5.10 kernel version supported in the Linux community. The 5.10.23-4.al8.x86_64 kernel version is used in the base image.
    • The ARM 64-bit architecture supports the PV-Panic, PV-Unhalt, and PV-Preempt features.
    • The ARM 64-bit architecture supports Kernel Live Patching (KLP).
    • TCP-layer service monitoring (TCP-RT) is supported.
    • The memcg backend asynchronous reclaim feature is supported.
    • The memcg quality of service (QoS) and Pressure Stall Information (PSI) features implemented based on cgroup v1 interfaces are supported.
    • The cgroup writeback feature is supported.
    • The monitoring of block I/O throttling is enhanced.
    • An interface is provided to optimize JBD2 of ext4.
    • The open source kernel of Alibaba Cloud is optimized and vulnerabilities in multiple subsystems including the scheduler, memory, file system, and block layer are fixed.
  • Image description:
    • The base image is compatible with the CentOS 8 and RHEL 8 software ecosystems. Common vulnerabilities and exposures (CVEs) are fixed.
    • GCC 10.2.1 and glibc 2.32 are supported.
    • Python 3.6 and Python 2.7 are supported.
    • AppStream is supported.
  • Applicable regions: China (Hangzhou).