Design Performant Architecture Flashcards
1
Q
3 design pillar
A
- Performant storage and database
- Caching
- Design for elasticity and scalability
2
Q
Where to store static content?
A
S3
3
Q
S3 bucket is always belongs to …
A
a single region
4
Q
On S3 you have to pay for 3 things
A
- Storage GB/month
- Transfer out of the region
- API(PUT,COPY,POST,LIST,GET) requests
5
Q
On S3 you don’t have to pay for
A
- Transfer into S3
2. Transfer out to CloudFront or into the same region
6
Q
3 database offering
A
- Amazon Relational Database
- DynamoDB
- Redshift
7
Q
Redshift is designed to
A
analytics queries (it gives you an sql interface)
8
Q
Amazon RDS
A
is a managed relational database
9
Q
Use Amazon RDS if you need
A
- Complex queries/join operations
2. Transactions
10
Q
Amazon RDS will not scale …
A
beyond a single master instance
11
Q
For high volume read/write, the database is …
A
DynamoDB
12
Q
2 Scaling options for RDS
A
- Larger master instance
2. Read replicas
13
Q
Which Amazon RDS database engines support read replicas?
A
- MySQL
- MariaDB
- PostgreSQL
- Aurora
14
Q
2 ElasticCache Engines
A
- Memcached
2. Redis
15
Q
Why use CloudFront to dynamic content?
A
Use the Amazon infrastructure instead of public internet
