Redshift Spectrum – Hive Integration If your S3 Data lake catalog resides in Hive on EMR cluster, following are the steps to integrate Redshift Spectrum with your hive data catalog Establish connectivity between your Redshift Cluster and EMR cluster. To achieve this Create a outbound rule associated to your Redshift Cluster to open connectivity to […]
Category: Redshift
Redshift Copy
Redshift Copy – S3 , EMR, DynamoDB Redshift COPY command will load data from Data Files Located on Amazon S3 / EMR Cluster / from remote host using a SSH Connection Amazon DynamoDB table To use the COPY command, user must have INSERT Privilege on the Amazon Redshift table Copy from Amazon S3 bucket To […]
Redshift vs Postgres
Redshift vs Postgres Amazon Redshift is based on PostgreSQL. However, there are very important differences. Some of them are outlined below Amazon Redshift is designed for OLAP and BI applications which requires processing of data across large datasets with columnar storage. However, Postgres is designed for OLTP applications for high performance. Amazon Redshift doesn’t support […]
AWS Redshift Spectrum
What is AWS Redshift Spectrum? Redshift Spectrum is a feature in AWS Redshift data warehousing service. How is Redshift Spectrum different from other features of AWS Redshift? With AWS Redshift Spectrum, users can query and retrieve data from files in Amazon S3 with out the need of loading the data into Redshift tables. This is […]
AWS Redshift Pricing/Cost
Amazon(AWS) Redshift Pricing/Cost varies depending on type of Redshift Cluster. AWS Redshift offers different node types depending on workloads. Following are the multiple types of Redshift Clusters RA3 – RA3 nodes with managed storage . Ideal for large workloads with large storage growth requirements. Compute and Storage is decoupled . You can Pause and Start […]
AWS Redshift Best Practices
Amazon Redshift is a fully transactional, ACID compliant Cloud data warehouse. Redshift has three Cluster types Redshift : Leader node and Compute Node with Data stored locally on compute nodes. Computes nodes can be of Dense Compute (DC2) and Dense Storage (DS2 types) Redshift Spectrum : Redshift Spectrum nodes with data stored in S3. You […]
AWS Redshift Vs Snowflake Comparison
This document outlines some of the key differences between AWS Redshift and Snowflake Products. AWS Redshift – Amazon Redshift is a fast, fully managed, petabyte-scale data warehouse that makes it simple and cost-effective to analyze all your data using your existing business intelligence tools. SnowFlake – The Snowflake data warehouse is a cloud-based tool that […]