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Windows Server 2012 Networking Performance and Management

WSV304. Windows Server 2012 Networking Performance and Management. Ahmed Talat Senior Program Manager Lead Microsoft Corporation. Prabu Rambadran Product Marketing Manager Microsoft Corporation. Agenda. Introduction Network m anagement Managing your network performance

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Windows Server 2012 Networking Performance and Management

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  1. WSV304 Windows Server 2012 Networking Performance and Management Ahmed Talat Senior Program Manager Lead Microsoft Corporation PrabuRambadran Product Marketing Manager Microsoft Corporation

  2. Agenda • Introduction • Network management • Managing your network performance • Features and improvements • Performance analysis and tools

  3. Windows Server 2012Cloud Optimize Your IT Beyond Virtualization Windows Server 2012 offers a dynamic, multi-tenant infrastructure that goes beyond virtualization to provide maximum flexibility for delivering and connecting to cloud services. Modern Workstyle, Enabled Windows Server 2012empowers IT to provide users with flexible access to data and applications from virtually anywhere on any device with a rich user experience, while simplifying management and helping maintain security, control and compliance. The Power of Many Servers, the Simplicity of One Windows Server 2012 offers excellent economics by integrating a highly available and easy to manage multi-server platform with breakthrough efficiency and ubiquitous automation. Every App, Any Cloud Windows Server 2012 is a broad, scalable and elastic server platform that gives you the flexibility to build and deploy applications and websites on-premises, in the cloud and in a hybrid environment, using a consistent set of tools and frameworks.

  4. Key TakeawaysBecome an Expert • Understand some of the network management options available in Windows Server 2012 • Know when to use a certain network feature to meet your specific workload needs and goals • Use the available tools to quickly diagnose performance problems and bottlenecks in your workloads • Fine tune your systems and hardware to achieve optimum Networking Performance on Windows Server 2012

  5. Network Management • Resource Metering • IPAM • PowerShell (covered through out the deck)

  6. title Resource Metering

  7. Resource Metering Features Metrics Active CPU usage Average memory use Minimum memory use Maximum memory use Maximum disk allocation Incoming network traffic Outgoing network traffic • Ability to create Resource Pools • Compatible with all Hyper-V Operations • Data unaffected by Virtual Machine Movement • Network Metering Port ACLs A two-tenant environment built with Hyper-V in Windows Server 2012

  8. Resource Metering Continued … • Benefits • Track VM use • Aggregate data in a Multi-tenant environment • Build Chargeback solutions • Easy to use PowerShell cmdlets Basic model of Resource Metering PowerShell Cmdlets Enable resource Metering: Get-VM -ComputerName <Host Name> | Enable-VMResourceMetering Get VM metering data: Get-VM -ComputerName<Host Name> -Name <VM Name> | Measure-VM

  9. title IP Address Management(IPAM)

  10. IP Address Management today • . • . In-house tools 3rd Party Solutions Spreadsheets • . • . • . • No CapEx investment • Simple to use for small networks….at first • Automation • High degree of customization • Automation • Rich feature set • Integration with own and MS DHCP/DNS • . • . • . • Labor intensive estimated (~$10 per address per annum) • Only performs address mgmt. • Inflexible and does not scale Cons Pros • High acquisition, support, and consulting costs • Maintenance cost • Relies on in-house support model • Expensive to add new capabilities

  11. Windows Server 8 IPAM Basics • Consists of IPAM server and (RSAT) client • Server is in-box feature of Windows Server 8 • Available in all SKUs, except server core • Client runs on Windows 8 Client (RSAT) and Windows Server 8 • Agentless architecture • Supports MS DHCP and DNS • Monitors and configures MS DNS and DHCP servers • WS 2008, 2008R2 (and SPs), and WS 8 • Manages both IPv4 and IPv6 addresses

  12. Performance Features and Improvements

  13. Let’s first cover some terminology • Processor. One physical processor, which can consist of one or more nodes. A physical processor is the same as a package, a socket, or a CPU. • Non-uniform memory architecture (NUMA) node. A set of logical processors and cache that are close to one another. • Core. One processing unit, which can consist of one or more logical processors. • Logical processor (LP). One logical computing engine from the perspective of the operating system, application, or driver. In effect, a logical processor is a thread. • Kernel Group. A set of up to 64 logical processors. • Affinity.A preference indicated by a thread, process, or interrupt for operation on a particular processor, node, or group. Kernel Group (KGroup) Processor or Socket Processor or Socket Processor or Socket Processor or Socket Processor or Socket NUMA Node NUMA Node NUMA Node NUMA Node NUMA Node Core Core Core Core Core LP LP LP LP LP LP LP LP LP LP

  14. Performance metrics definitions • Latency. The time required for an operation to complete. Lower is better. • Scalability. The ability to adapt to increasing demand on system resources. Higher is better. • Throughput. The amount of data transferred or processed in a given time period. Higher is better. • Path Length. The number of CPU cycles divided by the throughput. Lower is better. • Variability / Jitter. Fluctuation in throughput and/or latency. Lower is better. L S T P J

  15. Networking FeaturesReceive Segment Coalescing (RSC) T P RSC: Multiple Inbound Packets • IT Pro has received a heavy workload and CPU utilization is almost 100%. Unable to increase receive throughput • Examples: Backup Server or FTP Server • RSC can help by coalescing multiple inbound packets into a larger buffer and effectively reduce per packet CPU cost • Preliminary data shows up to a 20% reduction in CPU cycles depending on the workload • All inbox 10G network adapters support the feature and have it on by default Coalesced to reduce CPU load

  16. demo Receive Segment Coalescing (RSC)

  17. Networking FeaturesRegistered I/O (RIO) L S T P J • Developer is writing an Application that needs to send and receive data at microsecond granularity. • Examples: 3D image processing or stock trading application • Registered I/O (RIO) delivers low latency by “pinning” the application memory and reduces CPU cost • RIO improves predictability with message latency (jitter) • Example APIs: RIORegisterBuffer and RIOReceive

  18. Low Latency Tunings and Considerations • IT Pro wants to fine tune their system for low latency application and minimize jitter • Best Practices include: • Disable C-states from BIOS • Set Power Policy to High Performance • Use powercfg utility • Disable NIC Interrupt Moderation setting • Disable Flow Control • Disable Receive Side Scaling • Disable Receive Segment Coalescing (RSC) • Use thread affinity in Task Manager to partition work by nodes • Check out http://technet.microsoft.com/en-us/library/hh831415.aspx

  19. Networking FeaturesTCP Loopback Fast Path L T P Winsock Application (E.g. Using localhost as TCP destination) • Developer looking for an efficient and fast method to share data between processes on their Server. • Examples: Database Servers and Business Applications like SAP • Customer should use new IOCTL SIO_LOOPBACK_FAST_PATH socket option to take new shorter path • Both sides of connection must set new option but can’t have SO_OOBINLINE, TCP_EXPEDITED_1122, or TCP_STDURG socket options user kernel Windows Server 2012 Loopback Path AFD Win08 R2 Loopback Path TCP/IP NDIS Windows 2008 R2 New: Shorter Path

  20. demo TCP Loopback fast path

  21. Networking FeaturesReceive Side Scaling (RSS) S T • IT Pro has received a heavy workload that is CPU bound and wants to scale their workload across CPUs • Examples: Web Server and File Server • Use RSS to distribute the receive network traffic either across multiple processors or multiple NUMA nodes • IT Pros should use new Power Shell cmdlets to control RSS behavior based on their workload characteristics Dynamic NUMA aware Static PS C:\cim> Set-NetAdapterRss -? PS C:\cim> Set-NetAdapterRss-InterfaceDescription<String[]> -Profile <UInt32> -Confirm Profile 2 Profile 3 (default) Non NUMA Profile 1 Profile 0 (like WS08 R2)

  22. Networking FeaturesReceive Side Scaling (Continued) Node 2 Node 0 Node 1 Node 3 queues Incoming Packets 1 0 2 3 NIC with 8 RSS queues 0 2 1 3 New RSS profiles improve scalability on multi-node servers by distributing TCP/UDP receive traffic across nodes

  23. Web Scalability Improvements Single Process Multiple Processes (2 and 4) Hardware: 40LPs, 4 NUMA nodes , 10GigE, 128GB RAM Workload: mixed Web scenario Note: Measurements reflect release defaults 201% 115% Throughput Throughput 50% 43% • Overall Web Server Scalability Improvements • New K-Group awareness in the IIS thread pool • Partitioning network I/O processing by K-Groups when using multiple NICs • RSS NUMA profiles distribute network I/O processing across NUMA nodes

  24. Networking FeaturesDynamic Virtual Machine Queues (VMQ) S T • An IT Pro wants to run more VMs on a physical machine but can’t because the incoming packet processing is saturating a limited set of CPUs on the physical host • Examples: Private Cloud Deployments • Use VMQ to dynamically distribute the receive network traffic across multiple VMs based on destination and network load • Most inbox 10Gig Ethernet adapters support the feature which is enabled by default

  25. Networking FeaturesDynamic VMQ (Continued) Network IO path without VMQ Network IO path with VMQ • Windows Server 2008 R2: Offloading routing and filtering of network packets to the network card (enabled by hardware-based receive queues) to reduce host overhead • New in Windows Server 2012: Dynamically distributing incoming network traffic processing to host processors (based on processor utilization and network load)

  26. Windows Server 2012 ImprovementsHyper-V Host Scaling 1.8x scaling from 40VMs on 80 LPs to 80VMs on 160 LPs with dynamic VMQ • Hardware: 160LPs, 8 NUMA nodes, • 10Gigabit NIC, 512GB RAM • Workload: 2VPs/VM mixed Web scenario • Scenarios: Web Hosters Throughput 80LPs 160LPs Larger is better

  27. title Performance Analysis and Tools

  28. demo Identifying performance bottlenecks using SPA 3.0

  29. Performance Analysis and ToolsServer Performance Advisor (SPA) 3.0 • Zero install on servers • Side by Side Comparison Report • Historic Performance tracking and trending • Thresholds can be modified • Guide Performance optimizations via recommendations and next steps Can Turn On/Off EXAMPLE RULE Can Modify Thresholds Original Setting is derived from system tuning, empirical evidence

  30. Performance Analysis and ToolsNewPerformance Monitor Counters • Microsoft Winsock BSP • Datagrams Drops or Rejected • NUMA Node Memory • Per-NUMA memory lists • Overall system memory info per Node • Network Adapter • Processor Performance • Power related counters • Physical Network Interface Activity • RDMA Activity

  31. Performance Analysis and ToolsPowerShell commands • Get more information on hardware settings • Get-NetAdapter W*n • Get-NetAdapter L*n* -IncludeHidden (e.g. SSTP, PPTP) • NetAdapter.Get-NetAdapterIPsecOffload • NetAdapter.Get-NetAdapterLso • NetAdapter.Get-NetAdapterRss • NetAdapter.Get-NetAdapterRsc • NetAdapter.Get-NetAdapterVmq | Where-Object –FilterScript {$_.Enabled} • NetAdapter.Get-NetAdapterSrioVf –Name “Ethernet 1” • Set specific properties on the hardware • NetAdapter.Set-NetAdapterRss–Name “Ethernet 1” –Profile NUMAStatic • NetAdapter.Set-NetAdapterSriov –Name “Ethernet 1” –NumVFs 31 –VPorts64 EVERYTHING is configurable through PowerShell 

  32. Performance Analysis and ToolsPowerShell commands (Continued) • Enabling Performance features on the hardware • NetAdapter.Enable-NetAdapterEncapsulatedPacketTaskOffloadMyAdapter • NetAdapter.Enable-NetAdapterIPsecOffloadMyAdapter • NetAdapter.Enable-NetAdapterLsoMyAdapter–IPv4 • NetAdapter.Enable-NetAdapterRdmaMyAdapter • NetAdapter.Enable-NetAdapterRscMyAdapter • Get-Help <cmdlet name> -Detailed • Get-Help <cmdlet name> -Examples • Get-Help <cmdlet name> -Full

  33. SummaryWhen do you use each feature?

  34. Conclusion • Performance improvements across a number of key Windows Server 2012 roles • Out of box performance improvements for LAN and WAN scenarios • Available tools for networking performance analysis and optimizations • Quick overview of network management options in Windows Server 2012

  35. Related Content • VIR303 – An Overview of Hyper-V Networking in Windows Server 2012 • VIR305 – Hyper-V Network Virtualization for Scalable Multi-Tenancy in Windows • MGT315 - Network Management in Microsoft System Center 2012 SP1 • WSV314 – Windows Server 2012 NIC Teaming and Multichannel Solutions • Visit networking booth at the partner pavillionto learn more

  36. Related Content • WSV321: Windows PowerShell Crash Course • WSV307: Windows Server 2012 IP Address Management • WSV314: Windows Server 2012 NIC Teaming and Multichannel Solutions • VIR303: An Overview of Hyper-V Networking in Windows Server 2012 • VIR305: Hyper-V Network Virtualization for Scalable Multi-Tenancy in Windows • VIR307: Get Hands-on with the New Hyper-V Extensible Switch in Windows Server 2012 • WSV14 – HOL: Managing Your Network Infrastructure with IP Address Management • WSV24 – HOL: Managing Network Infrastructure with Windows Server 2012

  37. SIA, WSV, and VIR Track Resources #TE(sessioncode) Talk to our Experts at the TLC Hands-On Labs DOWNLOAD Windows Server 2012 Release Candidate microsoft.com/windowsserver DOWNLOAD Windows Azure Windowsazure.com/ teched

  38. Resources Learning TechNet • Connect. Share. Discuss. • Microsoft Certification & Training Resources http://northamerica.msteched.com www.microsoft.com/learning • Resources for IT Professionals • Resources for Developers • http://microsoft.com/technet http://microsoft.com/msdn

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  41. © 2012 Microsoft Corporation. All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries. The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.

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