Geek Logbook

Tech sea log book

Basic concepts about Amazon Redshift

One of the first things you will know when you do the course Getting Started with Amazon Redshift are the following Redshift is based on PostgreSQL, and there are four key concepts to understand about it: Concepts about ways of work with Amazon Redshift The importance of understanding the “Node Types” Amazon Redshift offers two

What is an ‘Ephemeral cluster’?

When you create a service to compute, for example in HD-Insight you can create a cluster which remains active once it’s created or, in the other hand, stop (will be ‘deleted’) after some amount of innactivities. If you, like me, your first approach was with the Azure Service you’ll notice that the name if the

Using Presing in AWS

Presing is a command you can use in the AWS CLI that allows anyone to have the pre-signed URL to make and HTTP get request to retrieve the data that is inside the bucket pre-signed. In the CLI you will execute: aws s3 presign s3://DOC-EXAMPLE-BUCKET/test2.txt And the output you’re going to receive is the following: