openEuler 20.03 LTS SP1 released

openEuler released the latest SP version openEuler 20.03 LTS SP1.

Download link: https://repo.openeuler.org/openEuler-20.03-LTS-SP1/

The openEuler 20.03 LTS SP1 version combines several major features in the 20.09 innovation version. include:

• iSula 2.0 Lightweight Container Solution
• A-Tune intelligent system performance optimization engine, infers business characteristics, configures the best combination of system parameters, and makes the business in an optimal operating state
• Support multiple JDK versions
• Kernel performance enhancement and virtualization performance enhancement

More key features continue to check the Release Note below.

Key features

• iSula lightweight container solution, unified IoT, edge and cloud computing container solutions

  • Support configuration of anonymous volume, support mirror configuration of anonymous volume and support local volume management, which is convenient for users to use volume management function

  • isula-build supports pull and push mirror functions, and supports saving multiple mirrors to a tarball

• The A-Tune intelligent system performance optimization engine infers business characteristics, configures the best system parameter combination, and makes the business in the optimal operating state.

  • Added incremental tuning function

  • Added sensitive parameter identification and filtering and tuning functions

  • Added new tuning capabilities for virtual machine scenarios

  • Support one-click model training ability

• Supports multiple versions of JDK to meet the requirements of different customers for compatibility, performance and functions

  • The operating system now provides convenient JDK multi-version support, which is convenient for users to deploy multi-version Java applications

  • Support Java 11, see JDK 11 for details

  • Support TLS 1.3, provide a more secure security protocol

  • Support Java Flight Recorder`, low performance loss, high efficiency Java application diagnostic tool

  • Support experimental low-latency ZGC algorithm

  • Support the latest STS (Short Term Support) version, currently JDK 15, see JDK 15 for details

  • stand byPattern Matching for instanceof (Second Preview)

  • stand by生产级别的ZGC

  • stand by生产级别的Shenandoah GC

  • stand byForeign-Memory Access API (Second Incubator)

  • stand byRecords (Second Preview)

• Enhanced kernel features

  • Support Huawei 1822 HBA card driver

  • Support NVDIMM to improve the performance of business scenarios such as big data

  • Support Feiteng CPU FT2000+/64 general computing

  • Supports iscsi work thread to bind cores according to numa affinity to improve IO performance

  • File cache percpu lock-free optimization, reduce atomic overhead, improve concurrent access file performance, and improve Nginx scenario performance

• Enhanced virtualization features

  • ARM virtualization supports CPU/memory hot plugging, improving resource configuration flexibility

  • Enable KVM CPU can be configured as custom mode (ARM) to realize custom configuration of CPU feature for virtual machine testing

  • Operation and maintenance tool VMTOP, which supports fast collection of performance indicators such as virtual machine trapping

  • Virtualization supports secure boot to improve virtual machine security