– Alexis Lê-Quôc, CTO & Co-Founder of Datadog, says:
Amazon Web Services (AWS) Elastic Compute Cloud (EC2) promises ease of deployment and instant scalability. However, EC2 also introduces significant changes to coding, deployment and maintenance which makes this infrastructure behave differently from traditional on-premise servers. These differences lead to novel kinds of performance issues such as unpredictable EBS disk I/O, EC2 instance ECU mismatches, and ELB load balancing traffic latency.
AWS offers a service for hosting applications on servers, storage and other infrastructure with EC2. However, AWS only makes available a small amount of information concerning the hardware that your applications are running on. As a result it’s nearly impossible to know what is “running under the hood” or which specific servers, storage drives and networking components are processing your data and powering your applications. The nature of such a service creates several distinct attributes that differ from running IT hardware on-premise, and make certain issues more likely to occur.
- Why these issues occur
- How to detect them
- How to resolve these issues, or avoid them all together
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