infrastructure choices - cloud vs colo vs bare metal
TRANSCRIPT
Infrastructure choices Cloud vs colo vs bare metal
Cloud Conf, Turin 2015 David Mytton, CEO, Server Density
David Mytton
Slides: @davidmytton
Agenda
• Cloud
• Bare metal
• Colocation
• Performance considerations
Performance Considerations
• CPU
• Memory
• Disk
• Network
Network• Port speeds
Network
• Latency
• Port speeds
Network
• Latency
• Port speeds
Network
• Latency
• Port speeds
Location Ping RTT
Within USA 40-80ms
Trans-Atlantic 100ms
Trans-Pacific 150ms
Europe - Japan 300ms
Network
• Latency
• Services
• Port speeds
Network
• Latency
• Services
• Port speeds
• Uses
Network• 1d, 1h, 58m
• 11.22MB/s
Network• 1d, 1h, 58m
CPU• Clock speed
CPU
• # of cores
• Clock speed
CPU
• # of cores
• Architecture
• Clock speed
CPU
• # of cores
• Architecture
• Clock speed
• Steal
Memory• Exact amounts
Memory
• Pricing
• Exact amounts
Memory
MemoryEC2 Instance CPUs Memory (GB) Pricing
r3.large 2 15 $130/m
r3.2xlarge 8 61 $520/m
r3.8xlarge 32 244 $2083/m
Disk• (Local) SSD
Disk
• Magnetic
• (Local) SSD
Disk
Disk
• Magnetic
• (Local) SSD
• NAS
Disk
• Magnetic
• (Local) SSD
• NAS
• i/o
Cloud• Elastic workloads
Cloud
• Demand spikes
• Elastic workloads
Cloud
• Demand spikes
• Elastic workloads
• Unknown requirements
Cloud
• Demand spikes
• Elastic workloads
• Unknown requirements
• Supporting services
Bare metal• Hardware replacement
Bare metal
• Managed / support
• Hardware replacement
Bare metal
• Managed / support
• Hardware replacement
• Networking
Colocation• Hardware spec / price
Colocation
• Total cost
• Hardware spec / price
Colocation
• Total cost
• Hardware spec / price
• Internal skills
Colocation
• Total cost
• Hardware spec / price
• Internal skills
• More fun?
Colo experiment
• x2 8C AMD 2.8Ghz
• Dell 1U R415
• 32GB RAM
• Dual PSU, NIC
• x4 1TB SATA hot swappable
Colo experiment
• 51-100Mbps - £15/Mbps/m
• 10-50Mbps - £20 - £25/Mbps/m
• 100Mbps - £13/Mbps/m
Colo experiment
• 1000Mbps metro - £750/m
• 100Mbps metro - £300/m
Colo experiment
• 4.5A - £520/m
• £300-350/kWh/m
• 9A - £900/m
