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Best Practices in Virtualizing RDS and VDI: THE Virtual Reality Check Ruben Spruijt @rspruijt

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Project: V irtual R eality C heck

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Ruben Spruijt, PQR

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A-Team Jeroen van de Kamp: j.kamp@loginconsultants.nl Ruben Spruijt: rsp@pqr.nl

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Introduction Phase 1 & 2 Phase 3 (VDI Deep Dive) Phase 4 (AppVirt) - PREVIEW Unpublished results Agenda.

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www.VirtualRealityCheck.net.

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Performance Analysis & Review VDI + SBC.

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Independent & Unbiased.

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Latest Gear.

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SBC (TS/XenAPP) Terminal Server AD File Share Hypervisor Terminal Server Logging

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VDI Hypervisor 7 7 AD File Share Logging 7 7 7 7 7 7

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Office 2007: Outlook, Word, PowerPoint Excel PDF printer & Adobe PDF Internet Explorer (multiple sites + Flash Video) FreeMind VSI workload (14 minute loop)

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Phase 1 & 2.

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Virtualization TS/XenApp: Yes we can! Sweet spot = performance + licensing Best-Practices No vCPU overcommit + 2vCPU minimum Dedicated Host / Reservation, Enforce vMMU! (x86 - vSphere) Intel Nehalem/Westmere: impressive Hyper-Threading + EPT-D = Doubling Capacity Conclusions Phase 1 & 2.

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Phase 3.

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Test platform Phase 3: VMware vSphere 4.x Server Brand/ModelHPDL380G6 CPU2 x Intel Quad core 5500@2.67GHz Nehalem (16 logical cpu!) Memory96GB DDR3 Disk8 x 146Gb, 820.2Gb, dual port 10.000RPM Serial SCSI RAID levelRAID-5 with online spare RAID controllerHP Smart Array P400i, with 512MB and Battery Backed Write Cache NICNC373i Gigabit Adapters, Broadcom 5708.

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VSI vs VRC Optimizations.

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VRC optimizations: Standard VSI Tuning.

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VRC optimizations: Extra Disabled Services.

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VRC optimizations: Scheduled Tasks.

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Project VRC must emphasize that it is crucial to test and validate these optimizations in your own VDI deployment

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VDI + Storage.

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Windows XP Windows 7 + VSI Optimizations Windows 7 + VRC Optimizations Understanding I/O

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Boot and Logon First VSI loop Second VSI loop Idle + 6 Apps Idle + No Apps Understanding I/O

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Boot and Logon First VSI loop Second VSI loop Idle + 6 Apps Idle + No Apps Understanding I/O

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Boot and Logon

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Boot and Logon; normalized

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Boot and Logon, Read vs Write I/O

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Boot and Logon First VSI loop Second VSI loop Idle + 6 Apps Idle + No Apps Understanding I/O

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First VSI Loop

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First VSI Loop: normalized

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First VSI Loop, Read vs Write I/O

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Boot and Logon First VSI loop Second VSI loop Idle + 6 Apps Idle + No Apps Understanding I/O.

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Second VSI Loop.

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Second VSI Loop: normalized.

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Second VSI Loop: Read vs Write I/O.

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Boot and Logon First VSI loop Second VSI loop Idle + 6 Apps Idle + No Apps Understanding I/O.

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Idle I/O With 6 Applications Running.

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Idle I/O With 6 Applications Running: Normalized.

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Boot and Logon First VSI loop Second VSI loop Idle + 6 Apps Idle + No Apps Understanding I/O.

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Idle I/O With No Running Apps.

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Idle I/O With No Running Apps: Normalized.

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1GB vs 2GB Memory (VRC Opt).

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Fixed Or Automatic Page File Size (VRC Opt).

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IO impact Avirus on VDI

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VIRUSSCANNER: TOTAL I/Os

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To be continued..

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Conclusion I/Os.

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Windows 7 more than Windows XP Boot First Loop Windows 7 less than Windows XP Second Loop Idle Best practice: Use VRC Optimizations fix page file A/V Conclusion I/Os

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Red Bull

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VMware vSphere: HaltingIdleMsecPenalty = HIMP Default = 100 Red Bull

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VDI on Red Bull; Windows XP

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VDI on Red Bull; Windows 7

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Hyper-Threading Disabled

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HIMP = VMware vSphere; >> Hyper-V by design fast #LOL 23% Improvement Windows XP 22% Improvement Windows 7 Only on Hyper-Threading HaltingIdleMsecPenaltyMax HIMP Conclussion.

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Phase 3 - VSI Results.

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VSI vs VRC Optimizations.

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1 vCPU vs 2 vCPU.

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Memory Overcommit (vSphere) Win7 120VM Pre-Booted (96GB RAM).

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SBC vs VDI

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VSI vs VRC Optimizations 1 vs 2vCPU Memory overcommit SBC vs VDI VSImax Conclusions

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Preview Phase 4 PREVIEW.

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A-Team

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VSIMax Local vs Streaming I/O Impact Phase 4: Impact AppVirt on VDI

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3 major AppVirt vendors: Citrix Application streaming Microsoft App-V VMware ThinApp Office 2007 suite virtualized as 1 package Different scenarios: streamed, precached, shared cache AppVirt on VDI: test setup

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Project VRCs goal is to investigate overall performance impact of AppVirt in VDI. Project VRC does not recommend virtualizing the Microsoft Office suite as an overall best practice.

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Maximum users on a host VSIMax results

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App-V vs. Local installed %

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Impact VSIMax: ~24% Different configurations doesnt impact VSIMax App-V conclusions

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streamed vs. Local installed % Bug > Fix!

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Pre-cached vs. Local installed % Bug > Fix!

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VDI + Storage - IOPS.

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IO reads: stream vs. local %

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IO reads: cached vs. local %

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IO writes: stream vs. local %

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IO writes: pre-cached vs. local %

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Worst/worse case scenario or reality?: Impact VSIMax: -24% Streaming apps = 22-45% less READ IOs Streaming apps = 20-45% more WRITE IOs Check response times in whitepaper (release soon) Application Virtualization IS key in Optimized (virtual) Desktop Appvirt: Conclusion

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VDI + Storage - IOPS.

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Fusion IO.

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Finally..

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Hyper-V SP1 Impact of Dynamic Memory in SP1 =

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Windows 7 Dynamic Memory (SP1)

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Hyper-V SP1 Impact of Dynamic Memory in SP1 =

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To be continued..

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Head-2-Head: VDI on Hyper-V/vSphere/Xenserver (Phase 5) AntiVirus impact and optimization in VDI (Phase 6) VDI: Remoting Protocols; impact on platform (Phase 7) VDI: Storage Optimization/Solutions (TBD).. Ideas!? >> @ VRC vNext 2011.

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www.virtualrealitycheck.net www.twitter.com/ProjectVRC VDI + Storage = Deep Impact http://bit.ly/5HTajV (PQR,@brugh) Special thanks to: Sven Huisman (PQR, @svenh) Related Info

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Speaker info: please do not delete the slides in this section Show these slides at the end of your session before going to Thank you page.

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Ruben Spruijt: rsp@pqr.nl Jeroen van de Kamp: j.kamp@loginconsultants.nl