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Amazon Redshift vs Azure Synapse: What are the differences?
Introduction
Amazon Redshift and Azure Synapse are popular cloud-based data warehousing solutions that offer scalability, performance, and analytical capabilities. While both platforms share similarities, they also have key differences that set them apart. The following paragraphs highlight the main distinctions between Amazon Redshift and Azure Synapse.
Pricing Model: Amazon Redshift follows a pay-as-you-go pricing model, allowing users to scale their resources up or down based on their needs. On the other hand, Azure Synapse offers a consumption-based pricing model, where users pay for the resources they consume, including storage, data movement, and processing. This pricing flexibility can be advantageous for organizations with fluctuating workloads and budgets.
Integration with Ecosystem: Amazon Redshift integrates seamlessly with other AWS services, such as Amazon S3 for data storage and AWS Glue for data integration. It also has close integration with popular business intelligence tools like Tableau and Power BI. Azure Synapse, being part of the broader Azure ecosystem, offers deep integration with other Azure services like Azure Data Lake Storage and Azure Databricks for advanced analytics and data engineering workflows. The choice between the two platforms often depends on the existing cloud ecosystem of an organization.
Enhanced Analytics Capabilities: Redshift includes advanced analytics functionality, such as machine learning capabilities with integration to Amazon SageMaker. It also supports massively parallel processing (MPP) to handle complex queries efficiently. On the other hand, Azure Synapse offers integrated big data and analytical capabilities through its native Apache Spark integration. This enables users to perform distributed data processing and machine learning tasks directly within the platform, providing more comprehensive analytics capabilities.
Data Movement and Integration: Redshift provides several options for data ingestion and integration, including bulk data loading, streaming data ingestion via Kinesis Data Firehose, and direct query pushes using Redshift Spectrum. Azure Synapse, on the other hand, offers robust data integration capabilities through Azure Data Factory, enabling seamless data movement and orchestration across different Azure services and on-premises systems. The choice of platform would depend on the specific data integration requirements of an organization.
Data Lake Integration: Azure Synapse has built-in integration with Azure Data Lake Storage, which allows users to access and analyze data from data lakes seamlessly. Redshift, being primarily a data warehousing solution, requires additional configuration and setup to integrate with data lakes. This difference makes Azure Synapse a more suitable choice for organizations that heavily rely on data lake storage and want to perform analytics on data lakes directly.
Security and Governance: Both Redshift and Synapse offer robust security measures, such as encryption at rest and in transit, access controls, and integration with identity providers. However, Azure Synapse provides tighter integration with Azure Active Directory (AAD), enabling organizations to enforce centralized user management and access control policies across their Azure environment. This centralized governance capability can be advantageous for organizations with strict compliance and security requirements.
In summary, Amazon Redshift and Azure Synapse differ in their pricing models, ecosystem integration, analytics capabilities, data integration options, data lake integration, and security/governance features. Organizations should evaluate these differences and align them with their specific requirements to determine the most suitable data warehousing solution for their needs.
We need to perform ETL from several databases into a data warehouse or data lake. We want to
- keep raw and transformed data available to users to draft their own queries efficiently
- give users the ability to give custom permissions and SSO
- move between open-source on-premises development and cloud-based production environments
We want to use inexpensive Amazon EC2 instances only on medium-sized data set 16GB to 32GB feeding into Tableau Server or PowerBI for reporting and data analysis purposes.
You could also use AWS Lambda and use Cloudwatch event schedule if you know when the function should be triggered. The benefit is that you could use any language and use the respective database client.
But if you orchestrate ETLs then it makes sense to use Apache Airflow. This requires Python knowledge.
Though we have always built something custom, Apache airflow (https://airflow.apache.org/) stood out as a key contender/alternative when it comes to open sources. On the commercial offering, Amazon Redshift combined with Amazon Kinesis (for complex manipulations) is great for BI, though Redshift as such is expensive.
You may want to look into a Data Virtualization product called Conduit. It connects to disparate data sources in AWS, on prem, Azure, GCP, and exposes them as a single unified Spark SQL view to PowerBI (direct query) or Tableau. Allows auto query and caching policies to enhance query speeds and experience. Has a GPU query engine and optimized Spark for fallback. Can be deployed on your AWS VM or on prem, scales up and out. Sounds like the ideal solution to your needs.
Pros of Amazon Redshift
- Data Warehousing41
- Scalable27
- SQL17
- Backed by Amazon14
- Encryption5
- Cheap and reliable1
- Isolation1
- Best Cloud DW Performance1
- Fast columnar storage1
Pros of Azure Synapse
- ETL4
- Security3
- Serverless2
- Doesn't support cross database query1
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Cons of Amazon Redshift
Cons of Azure Synapse
- Dictionary Size Limitation - CCI1
- Concurrency1