AWS Aurora

Question 1

What is Amazon Aurora?

Answer 1

MySQL compatible Relational Database engine

5x performance of MySQL
10% cost of commercial database

combines speed, availability of high-end databases with simplicity and value of open source databases

Question 2

Initial size of Aurora DB and increments of size increases

Answer 2

10Gb to start

Scales in 10Gb increments

Question 3

Max CPU and RAM compute resources

Answer 3

32 vCPUs

244Gb RAM

Question 4

How many redundant copies of data does Aurora store and where?

Answer 4

2 copies of data in each AZ
minimum of 3 AZ’s

So 6 copies of your data

Question 5

How many copies of data can Aurora lose without affecting write availability?

Answer 5

2

Question 6

How many copies of data can Aurora lose without affecting read availability?

Answer 6

3

Question 7

Is Aurora storage self-healing?

Answer 7

Yes.

Constantly scans drives for errors and repairs them

Question 8

Aurora replica, first type

Answer 8

Called Aurora Replicas

Up to 15 separate copies of data

Question 9

Aurora replica, second type

Answer 9

MySQL Read Replica

up to 5

Question 10

Difference between Aurora and MySQL replicas

Answer 10

Failover.

With Aurora replica failover happens automatically, not with MySQL read replicas