Your Speakers. Iwan e1 Rahabok Linkedin.com/in/e1ang

Transcription

1

2 Your Speakers Iwan e1 Rahabok Linkedin.com/in/e1ang Sunny Dua Linkedin.com/in/duasunny 2

3

4 Need more HW! Your infra is slow Your infra is not full. Add more VM!

5

6

7

8 Contention is when the VM is not getting what it demands.

9 Service Tier For Each VM CPU RAM Network Storage 1 (highest) <1% CPU Ready <1% RAM Contention 0 TX drop packet 10 ms latency 2 <5% CPU Ready <3% RAM Contention 0 TX drop packet 20 ms latency 3 (lowest) <10% CPU Ready <6% RAM Contention 0 TX drop packet 30 ms latency

10

11 Is the problem caused by IaaS not serving the VM well? If yes Which part of the Infra: CPU, RAM, Disk, Network? How bad is the problem? Alert already triggered, and IT is already working on it. If not, how to prove it convincingly?

12 List of VMs with respective Tier, with info on how IaaS is serving them Performance Utilization 12

13 The Ask from Your CIO Prove that your IaaS is serving all the VMs well. CPU. RAM. Network. Disk Every single VM. No one left out. Every 5 minutes. Without fail You have 1000 VMs. How to prove? 13

14

15

16 Performance Monitoring: Do Tier 1 Apps need more Infrastructure? All Critical Apps/Systems On the big screens. Transparency Drill down to actual counter. 16

17 Layers Business How much sales do we make today? How many customers buy our products this week? On average, how long did the XYZ transaction take this hour? How many customers login yesterday? On average, how long do they stay? Application How long does SQL Query ABCD take in the past 7 days? What s SQL Server free memory value 1 hour ago? What s the overall application uptime? Are my apps configured for performance? Infrastructure What s Windows CPU Run Queue? What s the peak VM CPU Contention in the past 24 hours? What s the total IO hitting vsan from 9 6 pm yesterday? What s the buffer in physical switch right now?

18 Load balancer Load balancer Web Server Web Server Web Server Web Server Load balancer Load balancer App Server App Server App Server App Server DB Server (Active) DB Server (Passive)

19 CPU Guest OS CPU Run Queue per vcore > 3 CPU Guest OS CPU Context Switch 0 1K < 10K < 100K > 100K CPU VM CPU Usage (%) 0 70% > 70% > 80% > 90% CPU VM CPU Co-Stop (%) 0 2.5% >2.5% > 5% > 7.5% CPU VM CPU Ready (%) 0 2.5% > 2.5% > 5% > 7.5% RAM VM RAM Contention (%) 0 1% > 1 > 3 > 5 RAM Guest OS RAM Free (GB) > 512 MB > 256 MB > 128 MB 128 MB RAM Guest OS RAM Page-in Rate as a % of Used 0 1% > 1 > 3 > 5 Disk VM Disk Latency (ms) 0 10 ms > 10 > 20 > 30 Network VM Network TX Dropped Packet 0% > 0% > 1% > 2%

20 VM Disk Latency (ms) 0 10 ms > 10 ms > 20 ms > 30 ms Guest OS RAM Free (GB) > 512 MB > 256 MB > 128 MB 128 MB Translate into range Take Mid-Point to represent If CPU Usage > 90 Then RED Elseif CPU Usage > 80 Then ORANGE Then Elseif CPU Usage > 70 Then YELLOW Else GREEN If CPU Usage > 90 Then 12.5 Elseif CPU Usage > 80 Then 37.5 Then Elseif CPU Usage > 70 Then 62.5 Else 87.5

21

22 Your World. Operationalized. You Your Customers Your Boss 22

23 Cluster Performance 100% It s serving all its VM well. 100% of VMs served in all 4 elements of IaaS (CPU, RAM, Disk, network) as per SLA Cluster Performance 0% It fails to serve any its VM well. 0% of VMs served. CPU, RAM, Disk, network refers to Latency or Contention, not Utilization.

24 Σ ( SLA Type Failure per VM ) 4 SLA types Cluster SLA Failure (%) 100% No of running VMs in the cluster Cluster Performance (%) 100% Cluster SLA Failure (%)

25

26 Business-driven Capacity Management 2 Control Demand by correct Pricing Model 4 Optimize Demand by VM Reclamation 5 Account for unmet Demand 6 Cap Demand by tracking Excessive Usage 1 Plan Supply by using Business SLA 3 Monitor Supply in 3 dimensions Demand Supply

27 1 (Gold) Highest 1:1 Perfect (100%) Performance Guarantee. Suitable for latency-sensitive applications. 2 (Silver) Moderate (50% of Gold) 1:2 Great (95%) 50% discount for only 5% penalty. Suitable for most Production workload. 3 (Bronze) Low (25% of Gold) 1:4 Good (90%) 75% discount for only 10% penalty. Suitable for Test & Dev workload. 4 (Free) Free! (funded by higher tiers) 95% Utilization Best Effort (85%) Suitable for temporary project. No Availability SLA, no Performance SLA

28 Tier Price Compute Storage Performance Remarks 1 (Gold) Highest 1:1 All Flash Perfect (100%) Not offered, as no business wants to pay the price 2 (Silver) Moderate (33% of Gold) CPU 1:3 RAM 1:1 All Flash Great (95%) Maximise consumption of hardware (40 core 512 GB RAM). Average 4 GB RAM per vcpu. 40 x 3 x 4 = 480 GB 3 (Bronze) Low (67% of Gold) CPU 1:6 RAM 1:2 All Flash Average (85%)

29 $$ VMC price Your budget needs to benchmark against AWS, Azure, VMC, etc. Average Performance VM Performance High Performance VM Your price Beat it by 25% on their 1-year cashupfront price. This gives you room so you do not have to adjust right away if they reduce their price. Now that Price has been set, you compete on Cost.

30

31

32 2018 VMware, Inc. 32

33 Key Takeaways If you don t have SLA, you are a System Builder, not a Service Provider Availability SLA needs to be accompanied by Performance SLA Capacity is defined by Availability & Performance 33

34

35