Big Data

Question 1

Does Redshift support HA? How many AZ’s can you be in? How do you achieve HA?

Answer 1

No not natively, can only be in a single AZ

You will need to replicate data to another instance in a different AZ

Question 2

What is the use case for Redshift? Does it replace RDS?

Answer 2

Use case is for BI and big data, does not replace RDS

Question 3

How much data can Redshift store?

Answer 3

16 PB, huge amount of data

Question 4

What is EMR?

Answer 4

Big data platform for ETL using open source

Question 5

What rules apply to EMR? What is underlyihng EMR?

Answer 5

VPC rules apply, as underlying is EC2 instances

Question 6

How can you save on costs with EMR?

Answer 6

EC2 cost savings with spot and RI

Question 7

What are the 3 types of Kinesis services?

Answer 7

1. Kinesis Data stream
2. Kinesis firehose
3. Kinesis Data analytics and SQL

Question 8

What is Kinesis for?

Answer 8

Ingesting, Processing, Analyzing real-time streaming data

Question 9

What is Kinesis Data stream?

Answer 9

Realtime for ingesting data, consumer setup and scaling are custom

Question 10

What is Kinesis Firehose?

Answer 10

Near realtime (60 seconds) more managed service plug and play into select aws services, automatically scales

Question 11

What is Kinesis Data Analytics?

Answer 11

Allows processing and analyzing data with SQL as it comes in

Question 12

What is Kinesis vs SQS?

Answer 12

Kinesis for realtime and big data but more config vs. SQS is not realtime but simpler