XPDS16: Scope and Performance of Credit-2 Scheduler. - Anshul Makkar, Ctirix Systems UK Ltd.
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Credit 2 Scheduler was designed with the following goals in mind: to be functionally complete, have algorithmic improvements, be scalable, and have improved performance compared to Credit 1 Scheduler. Various tests were performed measuring boot times, login times, network throughput, and storage performance on systems with varying numbers of VMs, CPUs, RAM, and storage configurations. Credit 2 Scheduler demonstrated improvements over Credit 1 Scheduler across most of the metrics tested.
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XPDS16: Scope and Performance of Credit-2 Scheduler. - Anshul Makkar, Ctirix Systems UK Ltd.
- 1. Credit 2 Scheduler Where We Stand…..
- 2. Credit 2 designed for following goals in mind: Functionally Complete Algorithmic improvement Scalable Improved Performance
- 3. Bootstorm
- 4. BootStorm: Total duration from invoking 1st VM start until nth VM finishes logging in Credit1 : Yellow, credit2 : Blue System: 4 socket, 64 core, 64 logical processor.126 VMs with 1 GB RAM each Guest : Win7_64
- 5. Bootstorm: Longest-gap-between-consecutive-invocations-of-VM-start credit1 : Yellow, Credit2 : Blue System:126 VMs with 1 GB RAM each Guest: Win7_64
- 6. Bootstorm : Duration of nth VM cloned. credit1 : Blue , credit2 : Yellow . System: 4 Hosts, each with 4 socket 64 cores 64 logical processor. 100 VMs cloned per host with 1 vcpu each.
- 7. Bootstorm : Duration of nth VM cloned. credit1 : Blue , credit2 : Yellow . System: 4 Hosts, each with 4 socket 64 cores 64 logical processor. 100 VMs cloned per host with 1 vcpu each.
- 8. LoginVSI
- 9. LogVSI: Time taken by each session to finish in each VM. credit1 : Yellow, Credit2: Blue System: 4 socket, 60 cores, 120 logical processor. 600 VMs with 1 vcpu each. Credit1 Credit2
- 11. Vm-vm intrahost nw throughput sum of threads over time. Credit1: Blue, Credit2: Yellow System: 2 socket , 12 cores, 24 logical Processor. 20 Debian 6b VMs with 1 vcpu each, 1 vif.
- 12. Vm-vm intrahost nw throughput individual threads over time. Credit1: Blue, Credit2: Yellow System: 2 socket , 12 cores, 24 logical Processor. 20 Debiaan 6 VM with 1 vcpu and 1 vif.
- 13. vm-vm nvif interhost network throughput sum of threads in all vifs (Jumbo) credit1 : Blue, credit2 : Yellow System: 8 cores, 16 logical processors. 20 Debian 6 VMs with 1 VIF each and 1 vcpu Credit1
- 14. vm-vm nvif interhost nw throughput for each thread per vf pair. (Jumbo) credit1 : Blue, Credit2 : Yellow System: System: 8 cores, 16 logical processors. 20 Debian 6 VMs with 1 VIF each and 1 vcpu Credit1 Credit2
- 15. vm-vm nvif interhost nw throughput for each thread over time.. (Jumbo) credit1 : Blue, credit2 : Yellow. System: 2 socket , 2 cores, 1 Guest Debian6, 1 vcpus, 512 MB RAM Credit1
- 16. vm-vm nvif interhost network throughput sum of threads in all vifs credit1 : Blue, credit2 : Yellow System: 8 cores, 16 logical processors. 20 Debian 6 VMs with 1 VIF each and 1 vcpu
- 17. vm-vm nvif interhost nw throughput for each thread per vf pair. credit1 : Blue, Credit2 : Yellow System: System: 8 cores, 16 logical processors. 20 Debian 6 VMs with 1 VIF each and 1 vcpu
- 18. vm-vm nvif interhost nw throughput for each thread over time.. credit1 : Blue, credit2 : Yellow. System: 2 socket , 2 cores, 1 Guest Debian6, 1 vcpus, 512 MB RAM
- 20. Aggregate disk throughput (in bytes per second) Credit1: 1480864 : Blue Credit2: 1480954 : Yellow System: 4 socket, 64 core, 64 logical processor. 1 VM with 1 vcpu. Credit1
- 21. Aggregate disk throughput (in bytes per second) Credit1: Blue Credit2: Yellow System: 4 socket, 64 core, 64 logical processor. 20 VM per SE with 1 vcpu.
- 22. Aggregate disk throughput (in bytes per second) 512 bytes block size. Credit1: Blue Credit2: Yellow System: 4 socket, 64 core, 64 logical processor. 20 VM per SE with 1 vcpu.
- 23. Aggregate disk throughput (in bytes per second) block size 2048 bytes Credit1: Blue Credit2: Yellow System: 4 socket, 64 core, 64 logical processor. 20 VM per SE with 1 vcpu.
- 24. Aggregate disk throughput (in bytes per second) block size 32768 Credit1: Blue Credit2: Yellow System: 4 socket, 64 core, 64 logical processor. 20 VM per SE with 1 vcpu.
- 25. Aggregate disk throughput (in bytes per second) block size: 131072 bytes Credit1: Blue Credit2: Yellow System: 4 socket, 64 core, 64 logical processor. 20 VM per SE with 1 vcpu.
- 26. Audio
- 27. Credit 1 Credit 2 Audio Comparison 1 socket 4 core, 8 logical processor 4 Centos 6 VMs with 2 VCPU each running Linux kernel compilation. 1 Windows VM with 1 VCPU running Windows Player.
- 28. Questions ??