For EC2 instances and the like it will be almost all X86 for a long time.
But much of the cloud is made up of services like S3, RDS, Redshift, Route 53, etc. ARM can be very competitive for many of these.
But much of the cloud is made up of services like S3, RDS, Redshift, Route 53, etc. ARM can be very competitive for many of these.
I wouldn't bet on it being so lopsided. AWS is betting stringing it's ARM processors, which appear to have a better price/performance ratio.