内存优化虚拟机大小Memory optimized virtual machine sizes

内存优化 VM 规格提供适用于关系数据库服务器、大中型缓存和内存中分析的高内存 CPU 比率。Memory optimized VM sizes offer a high memory-to-CPU ratio that is great for relational database servers, medium to large caches, and in-memory analytics. 本文介绍了此分组中各个大小的 vCPU 数、数据磁盘数、NIC 数、存储吞吐量及网络带宽的相关信息。This article provides information about the number of vCPUs, data disks and NICs as well as storage throughput and network bandwidth for each size in this grouping.

  • Dv2 和 DSv2 系列是原 D 系列的后续产品,具有更强大的 CPU。Dv2 and DSv2-series, a follow-on to the original D-series, features a more powerful CPU. Dv2 系列比 D 系列快大约 35%。The Dv2-series is about 35% faster than the D-series. 它在英特尔® Xeon® 8171M 2.1 GHz (Skylake)、英特尔® Xeon® E5-2673 v4 2.3 GHz (Broadwell) 或英特尔® Xeon® E5-2673 v3 2.4 GHz (Haswell) 处理器上运行,使用英特尔睿频加速技术 2.0。It runs on the Intel® Xeon® 8171M 2.1 GHz (Skylake) or the Intel® Xeon® E5-2673 v4 2.3 GHz (Broadwell) or the Intel® Xeon® E5-2673 v3 2.4 GHz (Haswell) processors, and with the Intel Turbo Boost Technology 2.0. Dv2 系列的内存和磁盘配置与 D 系列相同。The Dv2-series has the same memory and disk configurations as the D-series.

    Dv2 和 DSv2 系列非常适合于需要更快 vCPU、更佳临时存储性能或更高内存的应用程序。Dv2 and DSv2-series are ideal for applications that demand faster vCPUs, better temporary storage performance, or have higher memory demands. 它们为许多企业级应用程序提供强大的组合。They offer a powerful combination for many enterprise-grade applications.

  • Ev3 和 Esv3 系列具有采用超线程配置的 Intel® Xeon® 8171M 2.1 GHz (Skylake) 或 Intel® Xeon® E5-2673 v4 2.3 GHz (Broadwell) 处理器,为大多数常规用途工作负荷提供更好的价值定位,并使 Ev3 满足大多数其他云的常规用途 VM 的要求。The Ev3 and Esv3-series Intel® Xeon® 8171M 2.1 GHz (Skylake) or the Intel® Xeon® E5-2673 v4 2.3 GHz (Broadwell) processor in a hyper-threaded configuration, providing a better value proposition for most general purpose workloads, and bringing the Ev3 into alignment with the general purpose VMs of most other clouds. 内存已扩展(从 7 GiB/vCPU 扩展到 8 GiB/vCPU),而磁盘和网络限制已基于每个核心进行了调整,以适应向超线程的转变。Memory has been expanded (from 7 GiB/vCPU to 8 GiB/vCPU) while disk and network limits have been adjusted on a per core basis to align with the move to hyper-threading. Ev3 是 D/Dv2 系列的高内存 VM 大小产品的后继产品。The Ev3 is the follow up to the high memory VM sizes of the D/Dv2 families.

  • Ev4 和 Esv4 系列在采用超线程配置的第 2 代 Intel® Xeon® Platinum 8272CL (Cascade Lake) 处理器上运行,非常适合各种内存密集型企业应用程序,并且配备高达 504 GiB 的 RAM。The Ev4 and Esv4-series runs on 2nd Generation Intel® Xeon® Platinum 8272CL (Cascade Lake) processors in a hyper-threaded configuration, are ideal for various memory-intensive enterprise applications and feature up to 504 GiB of RAM. 它采用 Intel® 睿频加速技术 2.0Intel® 超线程技术Intel® 高级矢量扩展 512 (Intel AVX-512)It features the Intel® Turbo Boost Technology 2.0, Intel® Hyper-Threading Technology and Intel® Advanced Vector Extensions 512 (Intel AVX-512). Ev4 和 Esv4 系列不包含本地临时磁盘。The Ev4 and Esv4-series do not include a local temp disk. 有关详细信息,请参阅无本地临时磁盘的 Azure VM 规格For more information, refer to Azure VM sizes with no local temp disk.

  • Edv4 和 Edsv4 系列在第 2 代 Intel® Xeon® Platinum 8272CL (Cascade Lake) 处理器上运行,非常适合特别大的数据库或者其他受益于 vCPU 数多和内存丰富的应用程序。The Edv4 and Edsv4-series runs on 2nd Generation Intel® Xeon® Platinum 8272CL (Cascade Lake) processors, ideal for extremely large databases or other applications that benefit from high vCPU counts and large amounts of memory. 此外,这些 VM 大小包括快速、更大的本地 SSD 存储,可以用于从低延迟、高速本地存储中获益的应用程序。Additionally, these VM sizes include fast, larger local SSD storage for applications that benefit from low latency, high-speed local storage. 它的全核睿频时钟速度为 3.4 GHz,采用 Intel® 睿频加速技术 2.0Intel® 超线程技术Intel® 高级矢量扩展 512 (Intel AVX-512)It features an all core Turbo clock speed of 3.4 GHz, Intel® Turbo Boost Technology 2.0, Intel® Hyper-Threading Technology and Intel® Advanced Vector Extensions 512 (Intel AVX-512).

  • M 系列提供高 vCPU 计数(最多 128 个vCPU)和大量内存(最高 3.8 TiB)。The M-series offers a high vCPU count (up to 128 vCPUs) and a large amount of memory (up to 3.8 TiB). 它也非常适用于极大型数据库或受益于高 vCPU 计数和大量内存的其他应用程序。It's also ideal for extremely large databases or other applications that benefit from high vCPU counts and large amounts of memory.

Azure 计算提供独立于特定硬件类型并专用于单个客户的虚拟机大小。Azure Compute offers virtual machine sizes that are Isolated to a specific hardware type and dedicated to a single customer. 这些虚拟机大小非常适合于与其他客户的工作负载(涉及符合性和法规要求等元素)高度隔离的工作负载。These virtual machine sizes are best suited for workloads that require a high degree of isolation from other customers for workloads involving elements like compliance and regulatory requirements. 客户还可以选择利用对嵌套虚拟机的 Azure 支持,对这些独立的虚拟机资源进一步细分。Customers can also choose to further subdivide the resources of these Isolated virtual machines by using Azure support for nested virtual machines. 请参阅下面的虚拟机系列页面,了解独立 VM 选项。See the pages for virtual machine families below for your isolated VM options.

其他大小Other sizes

后续步骤Next steps

了解有关 Azure 计算单元 (ACU) 如何帮助跨 Azure SKU 比较计算性能的详细信息。Learn more about how Azure compute units (ACU) can help you compare compute performance across Azure SKUs.

有关 Azure 如何命名其 VM 的详细信息,请参阅 Azure 虚拟机大小命名约定For more information on how Azure names its VMs, see Azure virtual machine sizes naming conventions.