SNIA-SDC23-Yasarapu-Joshi-Cloud-Workloads-Storage-Media-Futures.pdf

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1、1|2023 SNIA.All Rights Reserved.Virtual ConferenceSeptember 28-29,2021New Cloud Workloads Implications for Storage Media FuturesSwapna Yasarapu and Shashidhar Joshi2|2021 Storage Developer Conference.Insert Company Name Here.All Rights Reserved.Framing the Discussion3|2023 SNIA.All Rights Reserved.F

2、raming the Discussion for Today Cloud Storage Services have been growing and the trend is expected to continue Storage Media Technologies(SSDs and HDDs)have supported these services well,until now However,with the growing scale,what has worked in the past,may not be good enough for the future We wou

3、ld like to bring some critical aspects of both these storage technologies that need improvement to Continue growth within their incumbent applications Opportunity to grow into new applications Through our understanding of workloads and applications,we will map requirements for these storage technolo

4、gies to be able to meet the demands of the future 4|2021 Storage Developer Conference.Insert Company Name Here.All Rights Reserved.Cloud Applications and Workloads5|2023 SNIA.All Rights Reserved.Source:IDCSecurity,Availability,and DurabilityRaising the bar on performanceMulti-exabyte customers drivi

5、ng scale,capacity,cost efficienciesLow-cost storage for customers large data estates6|2023 SNIA.All Rights Reserved.Azure Storage portfolioBlock storageObject storageFile storageAzure Disk StorageAzure Elastic SANAzure BlobData Lake StorageAzure Managed Lustre Azure FilesAzure NetApp FilesEnterprise

6、 SAN CapabilitiesContainer Optimized StoragePremium BlobMulti-protocol access(e.g.NFS,HDFS)Native NetApp File StorageAzure File Sync100s of trillions of objects across many exabytes of data300 Tbps average(100 exabytes per month)400M tps(1 quadrillion per month)HDDs(Standard Storage)Flash/SSD(Premiu

7、m Storage)7|2023 SNIA.All Rights Reserved.Applications To WorkloadsCloud Native ApplicationsBCDR and ArchivingHPCAnalyticsMachine Learning&AIEnterprise AppsHDDs(Standard Storage)Flash/SSD(Premium Storage)8|2023 SNIA.All Rights Reserved.Read-Write IOPS Mix for SSDs&HDDs Writes are 60%of the Workload,

8、which includes ReplicationTBW Continues to be a very important metric for both storage classesSSD Read-Write Mix0%10%20%30%40%50%60%70%80%90%100%HDD Read-Write MixAvg RdAvg Wr9|2023 SNIA.All Rights Reserved.Read-Write Throughput Mix for SSDs&HDDs Writes and Reads are equally important for workloadsR

9、ead-Write Mix consistent across both storage tiers;albeit at different overall performance capabilitySSD Read-Write MixHDD Read-Write Mix0%10%20%30%40%50%60%70%80%90%100%Drive Write(MB/s)Drive Read(MB/s)10|2023 SNIA.All Rights Reserved.Average Read Latency SSD Latency is multiple orders better than

10、HDD SSD Latency relatively consistent across capacities HDD Latency is degrading as a function of higher capacity Capacity(TB)LatencyLowerHigherLowerHigherLatency Management is crucial to meet SLAsSSDHDDAvg Read Latency11|2021 Storage Developer Conference.Insert Company Name Here.All Rights Reserved

11、.Flash/SSD Implications12|2023 SNIA.All Rights Reserved.Whats needed from Flash/SSDs Going Forward Grow within incumbent applicationsDensity w/power efficiency,i.e.,Lower TiB/WLower Device Idle PowerBetter Power Management for in-field Power/Performance tuningPower EfficiencyScale throughput while m

12、aintaining latency consistency(Mixed Rd-Wr)On Par or better MBps Per TiBReduce E2E WAF(E.g.ZNS)for density scalingWorkload ShapingMaintain minimum endurance bar per segment Maintain PBW/TiB 5-8x HDDDensity 2-3x HDD Per TBCost 2-4x of HDDThruput per TB Track to Writes Endurance in PBWNew Opportunitie

13、s13|2023 SNIA.All Rights Reserved.Landing Zone for SSDs New OpportunityPerformance Per TiB$Per TiBLowerHigherLowerHigher14|2021 Storage Developer Conference.Insert Company Name Here.All Rights Reserved.HDD Implications on Standard Storage 15|2023 SNIA.All Rights Reserved.Decline is untenableNot suff

14、icientNeeds to ImproveHAMR and SMR TechnologiesHDD Value for Standard StorageUntil Now 2-4x Improvement in Capacity and CostCapacity and CostDeclining,but acceptable with Software ImprovementsPerformance Per TBStagnant but acceptableWorkload RatingHelium was the last improvement Power EfficiencyProj

15、ecting ForwardMetric16|2023 SNIA.All Rights Reserved.HDD Performance Issue HDD Performance metrics Per TB have been degrading Software improvements have compensated for HDD performance degradation at the Service level DA HDDs certainly help,but that benefit is also over a finite range of capacities

16、The Industry needs to identify additional improvements to improve IOPS/TB and/or MBps/TB metrics to be able to provide the same level of service0%-100%-50%-33%-25%-20%-17%-14%-13%-11%-100%-90%-80%-70%-60%-50%-40%-30%-20%-10%0%0102030405060102030405060708090100%Decline Per 10TBSA HDD Perf/TBDA HDD Pe

17、rf/TB0(1)(2)(3)(4)(5)(6)(7)(8)(9)(10)(9)(8)(7)(6)(5)(4)(3)(2)(1)-0102030405060102030405060708090100Decline to 10TBSA HDD Perf/TBDA HDD Perf/TBHDD Capacity(TB)HDD Capacity(TB)Perf/TBPerf/TB%change Gen over GenMagnitude change to baseline17|2023 SNIA.All Rights Reserved.Impact of HDD Performance on HD

18、D Utilization20TB HDD with host more customers with more data and get more requests compared to a 10TB HDD More Capacity=Busier Drive=More UtilizationApproaching 100%busy rate=Not being able to use HDD capacity(Stranded Capacity)Hence the need forBetter Performance Higher Workload RatingHDD Capacity

19、(TB)HDD Busy Rate or Utilization%0%20%40%60%80%100%HDD Capacity(TB)vs Utilization(%)LowerHigher18|2023 SNIA.All Rights Reserved.HDDs Going Forward Deliver Better TCOGrow within incumbent applicationsNeed Consistent ADC Growth Historic$/TB Decline needs to Continue Capacity and CostNeed Performance P

20、er TB Metrics to ImproveIncrease workload Rating Performance and Workload RatingLatency Management Blast Radius Management(Per Head Capacity)Quality of ServiceReduce Unit Power ConsumptionPower Management Features Power Efficiency 3-4x better than Standard HDDTCO(Capacity,Cost,Power)NegotiablePerfor

21、mance ms,but NegotiableLatency NegotiableWorkload RatingNew Opportunities Expand HDD Archive19|2023 SNIA.All Rights Reserved.Landing Zone for HDDsPerformance Per TiB$Per TiBLowerHigherLowerHigherStandard StorageArchive Storage20|2021 Storage Developer Conference.Insert Company Name Here.All Rights R

22、eserved.Storage Media Mapping for Future21|2023 SNIA.All Rights Reserved.Storage Media Landscape for FutureMainstream SSDsSSD OpportunityHDD RequirementHDD OpportunityNo Landing ZoneCurrent HDDsPremium StorageStandard StorageArchive Storage$Per TiBLowerHigherPerformance Per TiBLowerHigher22|2023 SNIA.All Rights Reserved.Questions23|2023 SNIA.All Rights Reserved.Please take a moment to rate this session.Your feedback is important to us.