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常规用途虚拟机大小General purpose virtual machine sizes

常规用途 VM 大小提供均衡的 CPU 与内存之比。General purpose VM sizes provide balanced CPU-to-memory ratio. 适用于测试和开发、小到中型数据库和低到中等流量 Web 服务器。Ideal for testing and development, small to medium databases, and low to medium traffic web servers. 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.

  • A 系列和 Av2 系列 VM 可以部署在各种不同的硬件类型和处理器上。The A-series and Av2-series VMs can be deployed on a variety of hardware types and processors. 根据硬件限制大小,为运行中的实例提供一致的处理器性能,不论硬件部署的位置。The size is throttled, based upon the hardware, to offer consistent processor performance for the running instance, regardless of the hardware it is deployed on. 若要判断此大小部署所在的物理硬件,请从虚拟机中查询虚拟硬件。To determine the physical hardware on which this size is deployed, query the virtual hardware from within the Virtual Machine.

  • D 系列的 VM 旨在运行需要更高计算能力和临时磁盘性能的应用程序。D-series VMs are designed to run applications that demand higher compute power and temporary disk performance. D 系列 VM 为临时磁盘提供更快的处理器、更高的内存 vCPU 比和固态硬盘 (SSD)。D-series VMs provide faster processors, a higher memory-to-vCPU ratio, and a solid-state drive (SSD) for the temporary disk. 有关详细信息,请参阅 Azure 博客新的 D 系列虚拟机大小上的公告。For details, see the announcement on the Azure blog, New D-Series Virtual Machine Sizes.

  • Dv2 系列是原 D 系列的后续系列,其特点是 CPU 功能更强大。Dv2-series, a follow-on to the original D-series, features a more powerful CPU. Dv2 系列 CPU 比 D 系列 CPU 快大约 35%。The Dv2-series CPU is about 35% faster than the D-series CPU. 它基于最新一代的 2.4 GHz Intel Xeon® E5-2673 v3 2.4 GHz (Haswell) 或 E5-2673 v4 2.3 GHz (Broadwell) 处理器,通过英特尔睿频加速技术 2.0 可以达到 3.1 GHz。It is based on the latest generation Intel Xeon® E5-2673 v3 2.4 GHz (Haswell) or E5-2673 v4 2.3 GHz (Broadwell) processors, and with the Intel Turbo Boost Technology 2.0, can go up to 3.1 GHz. 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.

  • Dv3 系列采用的处理器与 Dv2 系列相同,但在超线程配置中,Dv3 系列针对最常规用途的工作负荷提供了更好的价值主张,并且使 Dv3 更适用于大多数其他云的常规用途 VM。The Dv3-series features the same processor(s) as the Dv2-series, but in a hyper-threaded configuration, providing a better value proposition for most general purpose workloads, and bringing the Dv3 into alignment with the general purpose VMs of most other clouds. 在磁盘和网络限制已基于核心进行了调整以适应超线程技术的同时,内存已扩展(从 ~3.5 GiB/vCPU 到 4 GiB/vCPU)。Memory has been expanded (from ~3.5 GiB/vCPU to 4 GiB/vCPU) while disk and network limits have been adjusted on a per core basis to align with the move to hyperthreading. Dv3 不再有 D/Dv2 系列的高内存 VM 大小,那些已成为新的 EV3 系列。The Dv3 no longer has the high memory VM sizes of the D/Dv2 families, those have been moved to the new Ev3 family.

  • 基本层大小主要用于开发工作负荷,以及其他不需要负载均衡、自动缩放或内存密集型虚拟机的应用程序。The basic tier sizes are primarily for development workloads and other applications that don't require load balancing, auto-scaling, or memory-intensive virtual machines.

B 系列B-series

对于并非持续需要 CPU 完全性能的工作负荷(如 Web 服务器、小型数据库以及开发和测试环境)而言,B 系列可突增 VM 十分理想。The B-series burstable VMs are ideal for workloads that do not need the full performance of the CPU continuously, like web servers, small databases and development and test environments. 这些工作负荷通常具有可突增的性能要求。These workloads typically have burstable performance requirements. B 系列使这些客户能够购买具有高性价比基线性能的 VM 大小,允许 VM 实例在 VM 使用的性能小于其基线性能时积累积分。The B-Series provides these customers the ability to purchase a VM size with a price conscious baseline performance that allows the VM instance to build up credits when the VM is utilizing less than its base performance. 如果 VM 已累积了积分,则 VM 可以在应用程序需要更高的 CPU 性能时突增到 VM 的基线之上,使用最多达到 100% 的 vCPU。When the VM has accumulated credit, the VM can burst above the VM’s baseline using up to 100% of the CPU when your application requires the higher CPU performance.

大小Size vCPUvCPU 内存:GiBMemory: GiB 本地 SSD:GiBLocal SSD: GiB 核心的基本性能Base Perf of a Core 累积的积分/小时Credits banked / hour 最大累积积分Max Banked Credits 最大数据磁盘数Max data disks 本地磁盘最大性能:IOPS/MBpsMax local disk perf: IOPS / MBps 非缓存磁盘最大性能:IOPS/MBpsMax uncached disk perf: IOPS / MBps 最大 NIC 数Max NICs
Standard_B1sStandard_B1s 11 11 44 10%10% 66 144144 22 400 / 10400 / 10 320 / 10320 / 10 22
Standard_B1msStandard_B1ms 11 22 44 20%20% 1212 288288 22 800 / 10800 / 10 640 / 10640 / 10 22
Standard_B2sStandard_B2s 22 44 88 40%40% 2424 576576 44 1600 / 151600 / 15 1280 / 151280 / 15 33
Standard_B2msStandard_B2ms 22 88 1616 60%60% 3636 864864 44 2400 / 22.52400 / 22.5 1920 / 22.51920 / 22.5 33
Standard_B4msStandard_B4ms 44 1616 3232 90%90% 5454 12961296 88 3600 / 353600 / 35 2880 / 352880 / 35 44
Standard_B8msStandard_B8ms 88 3232 6464 135%135% 8181 19441944 1616 4320 / 504320 / 50 4320 / 504320 / 50 44

Dsv3 系列 1Dsv3-series 1

ACU:160-190ACU: 160-190

Dsv3 系列大小基于 2.4 GHz Intel Xeon® E5-2673 v3 (Haswell) 处理器或最新 2.3 GHz Intel XEON ® E5-2673 v4 (Broadwell) 处理器,可通过 Intel Turbo Boost Technology 2.0 达到 3.5 GHz,并使用高级存储。Dsv3-series sizes are based on the 2.4 GHz Intel Xeon® E5-2673 v3 (Haswell) processor or the latest 2.3 GHz Intel XEON ® E5-2673 v4 (Broadwell) processor that can achieve 3.5GHz with Intel Turbo Boost Technology 2.0 and use premium storage. Dsv3 系列大小为大多数生产工作负荷提供 vCPU、内存和临时存储组合。The Dsv3-series sizes offer a combination of vCPU, memory, and temporary storage for most production workloads.

大小Size vCPUvCPU 内存:GiBMemory: GiB 临时存储 (SSD) GiBTemp storage (SSD) GiB 最大数据磁盘数Max data disks 缓存和临时存储的最大吞吐量:IOPS/MBps(以 GiB 为单位的缓存大小)Max cached and temp storage throughput: IOPS / MBps (cache size in GiB) 非缓存磁盘最大吞吐量:IOPS / MBpsMax uncached disk throughput: IOPS / MBps 最大 NIC 数/预期网络带宽 (MBps)Max NICs / Expected network bandwidth (Mbps)
Standard_D2s_v3Standard_D2s_v3 22 88 1616 44 4,000 / 32 (50)4,000 / 32 (50) 3,200 / 483,200 / 48 2 / 1,0002 / 1,000
Standard_D4s_v3Standard_D4s_v3 44 1616 3232 88 8,000 / 64 (100)8,000 / 64 (100) 6,400 / 966,400 / 96 2 / 2,0002 / 2,000
Standard_D8s_v3Standard_D8s_v3 88 3232 6464 1616 16,000 / 128 (200)16,000 / 128 (200) 12,800 / 19212,800 / 192 4 / 4,0004 / 4,000
Standard_D16s_v3Standard_D16s_v3 1616 6464 128128 3232 32,000 / 256 (400)32,000 / 256 (400) 25,600 / 38425,600 / 384 8 / 8,0008 / 8,000
Standard_D32s_v3Standard_D32s_v3 3232 128128 256256 3232 64,000 / 512 (800)64,000 / 512 (800) 51,200 / 76851,200 / 768 8 / 16,0008 / 16,000
Standard_D64s_v3Standard_D64s_v3 6464 256256 512512 3232 128,000 / 1024 (1600)128,000 / 1024 (1600) 80,000 / 120080,000 / 1200 8 / 30,0008 / 30,000

1 Dsv3 系列 VM 的 Intel® 超线程技术功能1 Dsv3-series VM’s feature Intel® Hyper-Threading Technology

Dv3 系列 1Dv3-series 1

ACU:160-190ACU: 160-190

Dv3 系列大小基于 2.4 GHz Intel Xeon® E5-2673 v3 (Haswell) 处理器或 2.3 GHz Intel XEON ® E5-2673 v4 (Broadwell) 处理器,可通过 Intel Turbo Boost Technology 2.0 达到 3.5 GHz。Dv3-series sizes are based on the 2.4 GHz Intel Xeon® E5-2673 v3 (Haswell) processor or 2.3 GHz Intel XEON ® E5-2673 v4 (Broadwell) processor that can achieve 3.5GHz with Intel Turbo Boost Technology 2.0. Dv3 系列大小为大多数生产工作负荷提供 vCPU、内存和临时存储组合。The Dv3-series sizes offer a combination of vCPU, memory, and temporary storage for most production workloads.

数据磁盘存储与虚拟机分开计费。Data disk storage is billed separately from virtual machines. 若要使用高级存储磁盘,请使用 Dsv3 大小。To use premium storage disks, use the Dsv3 sizes. Dsv3 大小的定价和计费标准与 Dv3 系列相同。The pricing and billing meters for Dsv3 sizes are the same as Dv3-series.

大小Size vCPUvCPU 内存:GiBMemory: GiB 临时存储 (SSD) GiBTemp storage (SSD) GiB 最大数据磁盘数Max data disks 临时存储的最大吞吐量:IOPS/读取 MBps/写入 MBpsMax temp storage throughput: IOPS / Read MBps / Write MBps 最大网卡数/网络带宽等级Max NICs / Network bandwidth
Standard_D2_v3Standard_D2_v3 22 88 5050 44 3000/46/233000/46/23 2 / 1,0002 / 1,000
Standard_D4_v3Standard_D4_v3 44 1616 100100 88 6000/93/466000/93/46 2 / 2,0002 / 2,000
Standard_D8_v3Standard_D8_v3 88 3232 200200 1616 12000/187/9312000/187/93 4 / 4,0004 / 4,000
Standard_D16_v3Standard_D16_v3 1616 6464 400400 3232 24000/375/18724000/375/187 8 / 8,0008 / 8,000
Standard_D32_v3Standard_D32_v3 3232 128128 800800 3232 48000/750/37548000/750/375 8 / 16,0008 / 16,000
Standard_D64_v3Standard_D64_v3 6464 256256 16001600 3232 96000/1000/50096000/1000/500 8 / 30,0008 / 30,000

1 Dv3 系列 VM 的 Intel® 超线程技术功能1 Dv3-series VM’s feature Intel® Hyper-Threading Technology

DSv2-seriesDSv2-series

ACU:210-250ACU: 210-250

大小Size vCPUvCPU 内存:GiBMemory: GiB 临时存储 (SSD) GiBTemp storage (SSD) GiB 最大数据磁盘数Max data disks 缓存和临时存储的最大吞吐量:IOPS/MBps(以 GiB 为单位的缓存大小)Max cached and temp storage throughput: IOPS / MBps (cache size in GiB) 非缓存磁盘最大吞吐量:IOPS / MBpsMax uncached disk throughput: IOPS / MBps 最大 NIC 数/预期网络带宽 (MBps)Max NICs / Expected network bandwidth (Mbps)
Standard_DS1_v2Standard_DS1_v2 11 3.53.5 77 44 4,000 / 32 (43)4,000 / 32 (43) 3,200 / 483,200 / 48 2 / 7502 / 750
Standard_DS2_v2Standard_DS2_v2 22 77 1414 88 8,000 / 64 (86)8,000 / 64 (86) 6,400 / 966,400 / 96 2 / 15002 / 1500
Standard_DS3_v2Standard_DS3_v2 44 1414 2828 1616 16,000 / 128 (172)16,000 / 128 (172) 12,800 / 19212,800 / 192 4 / 30004 / 3000
Standard_DS4_v2Standard_DS4_v2 88 2828 5656 3232 32,000 / 256 (344)32,000 / 256 (344) 25,600 / 38425,600 / 384 8 / 60008 / 6000
Standard_DS5_v2Standard_DS5_v2 1616 5656 112112 6464 64,000 / 512 (688)64,000 / 512 (688) 51,200 / 76851,200 / 768 8 / 120008 / 12000

Dv2 系列Dv2-series

ACU:210-250ACU: 210-250

大小Size vCPUvCPU 内存:GiBMemory: GiB 临时存储 (SSD) GiBTemp storage (SSD) GiB 临时存储的最大吞吐量:IOPS/读取 MBps/写入 MBpsMax temp storage throughput: IOPS / Read MBps / Write MBps 最大数据磁盘数Max data disks 吞吐量:IOPSThroughput: IOPS 最大 NIC 数/预期网络带宽 (MBps)Max NICs / Expected network bandwidth (Mbps)
Standard_D1_v2Standard_D1_v2 11 3.53.5 5050 3000/46/233000 / 46 / 23 44 4x5004x500 2 / 7502 / 750
Standard_D2_v2Standard_D2_v2 22 77 100100 6000/93/466000 / 93 / 46 88 8x5008x500 2 / 15002 / 1500
Standard_D3_v2Standard_D3_v2 44 1414 200200 12000/187/9312000 / 187 / 93 1616 16x50016x500 4 / 30004 / 3000
Standard_D4_v2Standard_D4_v2 88 2828 400400 24000/375/18724000 / 375 / 187 3232 32x50032x500 8 / 60008 / 6000
Standard_D5_v2Standard_D5_v2 1616 5656 800800 48000/750/37548000 / 750 / 375 6464 64x50064x500 8 / 120008 / 12000

DS 系列DS-series

ACU:160ACU: 160

大小Size vCPUvCPU 内存:GiBMemory: GiB 临时存储 (SSD) GiBTemp storage (SSD) GiB 最大数据磁盘数Max data disks 缓存和临时存储的最大吞吐量:IOPS/MBps(以 GiB 为单位的缓存大小)Max cached and temp storage throughput: IOPS / MBps (cache size in GiB) 非缓存磁盘最大吞吐量:IOPS / MBpsMax uncached disk throughput: IOPS / MBps 最大 NIC 数/预期网络带宽 (MBps)Max NICs / Expected network bandwidth (Mbps)
Standard_DS1Standard_DS1 11 3.53.5 77 44 4,000 / 32 (43)4,000 / 32 (43) 3,200 / 323,200 / 32 2 / 5002 / 500
Standard_DS2Standard_DS2 22 77 1414 88 8,000 / 64 (86)8,000 / 64 (86) 6,400 / 646,400 / 64 2 / 10002 / 1000
Standard_DS3Standard_DS3 44 1414 2828 1616 16,000 / 128 (172)16,000 / 128 (172) 12,800 / 12812,800 / 128 4 / 20004 / 2000
Standard_DS4Standard_DS4 88 2828 5656 3232 32,000 / 256 (344)32,000 / 256 (344) 25,600 / 25625,600 / 256 8 / 40008 / 4000


D 系列D-series

ACU:160ACU: 160

大小Size vCPUvCPU 内存:GiBMemory: GiB 临时存储 (SSD) GiBTemp storage (SSD) GiB 临时存储的最大吞吐量:IOPS/读取 MBps/写入 MBpsMax temp storage throughput: IOPS / Read MBps / Write MBps 最大的数据磁盘/吞吐量:IOPSMax data disks / throughput: IOPS 最大 NIC 数/预期网络带宽 (MBps)Max NICs / Expected network bandwidth (Mbps)
Standard_D1Standard_D1 11 3.53.5 5050 3000/46/233000 / 46 / 23 4/4x5004 / 4x500 2 / 5002 / 500
Standard_D2Standard_D2 22 77 100100 6000/93/466000 / 93 / 46 8/8x5008 / 8x500 2 / 10002 / 1000
Standard_D3Standard_D3 44 1414 200200 12000/187/9312000 / 187 / 93 16/16x50016 / 16x500 4 / 20004 / 2000
Standard_D4Standard_D4 88 2828 400400 24000/375/18724000 / 375 / 187 32/32x50032 / 32x500 8 / 40008 / 4000


Av2 系列Av2-series

ACU:100ACU: 100

大小Size vCPUvCPU 内存:GiBMemory: GiB 临时存储 (SSD) GiBTemp storage (SSD) GiB 临时存储的最大吞吐量:IOPS/读取 MBps/写入 MBpsMax temp storage throughput: IOPS / Read MBps / Write MBps 最大的数据磁盘/吞吐量:IOPSMax data disks / throughput: IOPS 最大 NIC 数/预期网络带宽 (MBps)Max NICs / Expected network bandwidth (Mbps)
Standard_A1_v2Standard_A1_v2 11 22 1010 1000/20/101000 / 20 / 10 2/2x5002 / 2x500 2 / 2502 / 250
Standard_A2_v2Standard_A2_v2 22 44 2020 2000/40/202000 / 40 / 20 4/4x5004 / 4x500 2 / 5002 / 500
Standard_A4_v2Standard_A4_v2 44 88 4040 4000/80/404000 / 80 / 40 8/8x5008 / 8x500 4 / 10004 / 1000
Standard_A8_v2Standard_A8_v2 88 1616 8080 8000/160/808000 / 160 / 80 16/16x50016 / 16x500 8 / 20008 / 2000
Standard_A2m_v2Standard_A2m_v2 22 1616 2020 2000/40/202000 / 40 / 20 4/4x5004 / 4x500 2 / 5002 / 500
Standard_A4m_v2Standard_A4m_v2 44 3232 4040 4000/80/404000 / 80 / 40 8/8x5008 / 8x500 4 / 10004 / 1000
Standard_A8m_v2Standard_A8m_v2 88 6464 8080 8000/160/808000 / 160 / 80 16/16x50016 / 16x500 8 / 20008 / 2000


A 系列A-series

ACU:50-100ACU: 50-100

大小Size vCPUvCPU 内存:GiBMemory: GiB 临时存储 (HDD):GiBTemp storage (HDD): GiB 最大数据磁盘数Max data disks 数据磁盘最大吞吐量:IOPSMax data disk throughput: IOPS 最大 NIC 数/预期网络带宽 (MBps)Max NICs / Expected network bandwidth (Mbps)
Standard_A0 1Standard_A0 1 11 0.7680.768 2020 11 1x5001x500 2 / 1002 / 100
Standard_A1Standard_A1 11 1.751.75 7070 22 2x5002x500 2 / 5002 / 500
Standard_A2Standard_A2 22 3.53.5 135135 44 4x5004x500 2 / 5002 / 500
Standard_A3Standard_A3 44 77 285285 88 8x5008x500 2 / 10002 / 1000
Standard_A4Standard_A4 88 1414 605605 1616 16x50016x500 4 / 20004 / 2000
Standard_A5Standard_A5 22 1414 135135 44 4x5004x500 2 / 5002 / 500
Standard_A6Standard_A6 44 2828 285285 88 8x5008x500 2 / 10002 / 1000
Standard_A7Standard_A7 88 5656 605605 1616 16x50016x500 4 / 20004 / 2000


1 A0 大小在物理硬件上过度订阅。1 The A0 size is over-subscribed on the physical hardware. 仅针对此特定大小,其他客户部署可能影响正在运行的工作负荷的性能。For this specific size only, other customer deployments may impact the performance of your running workload. 以下概述的相对性能为预期的基准,受限于近似变化性的 15%。The relative performance is outlined below as the expected baseline, subject to an approximate variability of 15 percent.

使用 CLI 和 PowerShell 的标准 A0 - A4Standard A0 - A4 using CLI and PowerShell

在经典部署模型中,CLI 和 PowerShell 中的一些 VM 大小名称略有不同:In the classic deployment model, some VM size names are slightly different in CLI and PowerShell:

  • Standard_A0 是特小型Standard_A0 is ExtraSmall
  • Standard_A1 是小型Standard_A1 is Small
  • Standard_A2 是中型Standard_A2 is Medium
  • Standard_A3 是大型Standard_A3 is Large
  • Standard_A4 是超大型Standard_A4 is ExtraLarge

基本 ABasic A

大小 – 大小\名称Size – Size\Name vCPUvCPU 内存Memory NIC 数(最大值)NICs (Max) 最大临时磁盘大小Max temporary disk size 每个 Max. 数据磁盘(每个 1023 GB)data disks (1023 GB each) 每个 Max. IOPS(每个磁盘 300 次)IOPS (300 per disk)
A0\Basic_A0A0\Basic_A0 11 768 MB768 MB 22 20 GB20 GB 11 1x3001x300
A1\Basic_A1A1\Basic_A1 11 1.75 GB1.75 GB 22 40 GB40 GB 22 2x3002x300
A2\Basic_A2A2\Basic_A2 22 3.5 GB3.5 GB 22 60 GB60 GB 44 4x3004x300
A3\Basic_A3A3\Basic_A3 44 7 GB7 GB 22 120 GB120 GB 88 8x3008x300
A4\Basic_A4A4\Basic_A4 88 14 GB14 GB 22 240 GB240 GB 1616 16x30016x300

注意,经典 VM 的数据磁盘数可能会低于资源管理器 VM 的数据磁盘数。Note that the number of Data Disks for Classic VMs might be lower than the number of Data Disks for Azure Resource Manager VMs.

大小表定义Size table definitions

  • 存储容量的单位为 GiB 或 1024^3 字节。Storage capacity is shown in units of GiB or 1024^3 bytes. 比较以 GB(1000^3 字节)为单位的磁盘和以 GiB(1024^3 字节)为单位的磁盘时,请记住以 GiB 为单位的容量数显得更小。When comparing disks measured in GB (1000^3 bytes) to disks measured in GiB (1024^3) remember that capacity numbers given in GiB may appear smaller. 例如,1023 GiB = 1098.4 GBFor example, 1023 GiB = 1098.4 GB
  • 磁盘吞吐量的单位为每秒输入/输出操作数 (IOPS) 和 MBps,其中 MBps = 10^6 字节/秒。Disk throughput is measured in input/output operations per second (IOPS) and MBps where MBps = 10^6 bytes/sec.
  • 数据磁盘可以在缓存或非缓存模式下运行。Data disks can operate in cached or uncached modes. 对于缓存数据磁盘操作,主机缓存模式设置为 ReadOnlyReadWriteFor cached data disk operation, the host cache mode is set to ReadOnly or ReadWrite. 对于非缓存数据磁盘操作,主机缓存模式设置为 NoneFor uncached data disk operation, the host cache mode is set to None.
  • 若要获得 VM 的最佳性能,应将数据磁盘数限制为每 vCPU 2 个磁盘。If you want to get the best performance for your VMs, you should limit the number of data disks to 2 disks per vCPU.
  • 预期的网络带宽是指跨所有 NIC 为每个 VM 类型分配的最大聚合带宽,适用于所有目标。Expected network bandwidth is the maximum aggregated bandwidth allocated per VM type across all NICs, for all destinations. 不保证能够达到上述预期上限,但目的是提供相关指导,以便为目标应用程序选择适当的 VM 类型。Upper limits are not guaranteed, but are intended to provide guidance for selecting the right VM type for the intended application. 实际的网络性能将取决于许多因素,包括网络拥塞、应用程序负载和网络设置。Actual network performance will depend on a variety of factors including network congestion, application loads, and network settings. 有关如何优化网络吞吐量的信息,请参阅为 Windows 和 Linux 优化网络吞吐量For information on optimizing network throughput, see Optimizing network throughput for Windows and Linux. 若要在 Linux 或 Windows 中达到预期的网络性能,可能需要选择特定的版本,或者需要优化 VM。To achieve the expected network performance on Linux or Windows, it may be necessary to select a specific version or optimize your VM. 有关详细信息,请参阅如何针对虚拟机吞吐量进行可靠的测试For more information, see How to reliably test for virtual machine throughput.

其他大小Other sizes

后续步骤Next steps

了解有关 Azure 计算单元 (ACU) 如何帮助你跨 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.