If I use S3 + EMR what exactly falls into the category of "a ton of stuff there that you probably don’t use"? >> Your infra would be better tailored to your wo

If I use S3 + EMR what exactly falls into the category of "a ton of stuff there that you probably don’t use"? >> Your infra would be better tailored to your workloads How do you scale elastically with an on-prem infra? What part do you tune more to your own workload when an average company cannot even tune the GC for Java for their own workload? Your claims do not reflect on reality, it is rather your imagination. I have migrated countless companies to the cloud, and almost every single migration was driven by a single factor: cost. Everything else was an added bonus: inscrased security, availability and elasticity.