My Tech Blog (Saa)

1. Scalability & High AvailabilityScalability(확장성) means that an application / system can handle greater loads by adapting.There are two kinds of scalability  - Vertical Scalability - Horizontal Scalability (=elasticity) 탄력성, 수평 확장성Scalability is linked but different to High Availability ( 확장성 != 고가용성)2. Vertical Scalability - 수직 확장성Vertically scalability means increasing the size of the instanc..

1. Amazon EFS(Elastic File System) Managed NFS (network file system) that can be mounted on many EC2EFS works with EC2 instances in multi-AZHighly available, scalable, expensive (3x gp2), pay per use Use cases: content management, web serfing, data sharing, WordpressUses NFSv4.1 protocolUses security group to control access to EFSCompatible with Linux based AMI (not Windows)Encryption at rest us..