Answer1215

摘要： For example, you have an object `A`, you want to extend it and modify some prop; then create a new interface B: export interface B extends Omit<A, 'x' 阅读全文

摘要： SAA Here's a quick cheat-sheet to remember all these services: EMR (Elastic Map Reduce): Big Data / Hadoop / Spark clusters on AWS, deployed on EC2 fo 阅读全文

摘要： ETL: Extra data from S3 or RDS Transform data in Glue Load data into RedShift, or other Data Warehouse Craw the data Search for any field Partially ma 阅读全文

摘要： Case 1: WhatIsTheTime.com Simple start Use T2 instance EIP to public access CONS: When more people come to your website, T2 instance is not enough to 阅读全文

摘要： Faster than MySQL... Postgres Failover faster CRR: entire database is copied (not select tables) Load / Offload data directly from / to S3: efficient 阅读全文

摘要： SAA Read Replicas can be within AZ, Cross AZ or Cross Region Replication is async, eventually consistent New connection endpoint for repliaca, need to 阅读全文

摘要： SAA ElastiCache requires code changes Share user session across EC2 instances Redis has multi AZs, failover, backup SAP 阅读全文

摘要： Overview DDoS protection, intergration with Shield, AWS Web application Firewall. Origins S3 bucket For distributing files and caching them at the edg 阅读全文

摘要： SAA Max object size 5000 GB / 5 TB Uploading more thatn 5 GB, then multi part upload root account for MFA MFA delete need to use CLI Must enable versi 阅读全文

摘要： SAA EBS Highly Available Automatically replicated within a single Availability Zone to protect against hardware failures Scalable Dynamicly increase c 阅读全文