100 Days of DevOps — Day 92-Choosing Right EC2 Instance Type
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Welcome to Day 92 of 100 Days of DevOps, Focus for today is Choosing Right EC2 Instance Type
What is Amazon Elastic Compute Cloud(EC2)?
It’s a Virtual Servers in the cloud
Advantage
- Scale up or down as quickly as needed
- Pay as you go, model
Instance Type: AWS Provide different instance based on workload as some instance need more memory, some needs more CPU and some needs more I/O.
M5d.xlarge(API Name of EC2 Instance)
M: Instance Family(Multipurpose/General Purpose good balance for CPU/Memory)5: Instance Generation(5th generation)d: Additional Capabilities which are optinally avilable(local high-speed NVMe disk)xlarge: Instance Size(T-shirt size)
Amazon Machine Image(AMI): Think it as an OS Image for your Instance(Linux/Window).
- Amazon Maintained: Broad set of Linux and Windows Images. Kept up-to-date by Amazon in each region
- MarketPlace Maintained: Managed and maintained by AWS Market Place Partners
- Custom AMI: AMIs you have created from Amazon EC2 instances. Can keep private, share with other accounts or publish to the community.
Choice of processors and architectures
* Intel Xeon Scalable(Skylake) processor* AMD EPYC processor* AWS Graviton Processor based on 64-bit Arm arch
General Purpose Instance Workload
- Web/App servers
- Enterprise apps
- Gaming servers
- Caching fleets
- Analytics applications
- Dev/test environments
M5: General purpose instances
- Balance of compute, memory and networking resources
- Powered by 2.5GHz Intel Xeon Scalable Processors(Skylake)
- As shown in the figure above, m5.24x large has 96vCPU and 384GiB of memory
- 4:1 GiB to VCPU
M5a: Comes with AMD processor for 10% lower cost
M5d: Comes with high-performance local NVMe SSD storage
Memory Optimized Instances Workloads
- In-memory caches
- High-Performance databases
- Big data analytics
R5: Memory Optimized Instances
- Memory-optimized instances with 8:1 GiB to VCPU
Similar to M5, R5 comes with R5d(local NVMe SSD storage) and R5a(AMD processor)
X1 and X1e: Large Scale Memory Optimized Instances
- For large in-memory workloads
- X1(16:1 GiB to vCPU ratio) and X1e(32:1 GiB to vCPU ratio)
- Suitable for in-memory database eg: SAP HANA, big data processing engines(Apache Spark) and DB Workloads(Oracle)
I/O optimized instances workloads
- High-Performance Database
- Real-Time Analytics
- Transactional Workloads
- No SQL database
I3: I/O Optimized Instances
- Offers very high Random I/O(up to 3.3 million IOPS) and disk throughput(up to 16GB/s)
Compute-optimized instances workloads
- Batch processing
- Distributed analytics
- High-perf computing(HPC)
- Ad serving
- Multiplayer Gaming
- Video encoding
C5: Compute Optimized Instances
- Custom 3.0GHz Intel Xeon Scalable Processor(Skylake)
- 72vCPU and 144GiB of memory (2:1 Memory:vCPU ratio)
- 25Gbps network bandwidth
C5d with local NVMe-based SSD storage
References
AWS Calculator
AWS Instance Price Comparision
Just to summarize, in choosing the right instance type. In case if you are not sure about workload start with General workload.
Looking forward from you guys to join this journey and spend a minimum an hour every day for the next 100 days on DevOps work and post your progress using any of the below medium.
- Twitter: @100daysofdevops OR @lakhera2015
- Facebook: https://www.facebook.com/groups/795382630808645/
- Medium: https://medium.com/@devopslearning
- Slack: https://devops-myworld.slack.com/messages/CF41EFG49/
- GitHub Link:https://github.com/100daysofdevops
Reference
