Databricks is a leading Lakehouse and a hot selling product in the market. Databricks is known for combining the Data Lake and Data Warehouse in a single model known as Lakehouse. On the other hand, AWS Redshift is a popular Data warehouse tool from Amazon Web Service Stack. It has a petabyte scalable architecture and is most frequently used by Data Analysts to analyze the data.
This blog talks about Databricks vs Redshift in great detail. It also briefly introduces AWS Redshift and Databricks before diving into the differences between them.
AWS Redshift Architecture
The architecture of AWS Redshift contains a leader node and compute nodes. The compute node forms the cluster and performs analytics tasks assigned by the leader node. Below snap depicts the schematics of AWS Redshift architecture:
AWS Redshift offers JDBC connectors to interact with client applications using major programming languages like Python, Scala, Java, Ruby, etc.
Key Features of AWS Redshift
- AWS Redshift provides a complete data warehouse solution by maintaining Security, Scalability, Data Integrity, etc.
- AWS Redshift supports and works efficiently with different file formats, viz. CSV, Avro, Parquet, JSON, and ORC directly with the help of ANSI SQL.
- AWS Redshift has exceptional support for Machine Learning and Data Science projects. Users can deploy Amazon Sagemaker models using SQL.
- AWS Redshift uses the Advanced Query Accelerator (AQUA) concept, making the query execution 10x faster than other cloud data warehouses.
- AWS Redshift is a petabyte scalable architecture. Users can easily upscale or downscale the cluster as per the requirement.
- AWS Redshift enables secure sharing of the data across Redshift clusters.
- Amazon Redshift provides consistently fast performance, even with thousands of concurrent queries.
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Key Features of Databricks
Databricks is a leading solution for Data Analysis and Data Scientists. The key features of Databricks are as follows –
- Notebooks: The main key feature or USP of the Databricks is their Notebooks. It is equipped with various languages (Python, Scala, SQL, and many more) that help users instantly analyze and access the data. The Databricks Notebook is also shareable across the workspace, enabling collaborative working in an organization.
- Delta Lake: Databricks has an open source Data Storage layer known as Delta lake, and the tables underneath are known as Delta Tables. Delta lake and Delta Tables allow users to perform ACID transactions on the data, which was quite a tedious task.
- Apache Spark: The backend of the Databricks is supported by Apache Spark. With Apache Spark’s lightning-fast in-memory computations, you can effortlessly integrate various Open-source libraries with Databricks.
- Multi-Cloud Integration: Databricks supports the leading cloud and can easily be integrated. It supports AWS, Azure, and GCP as its leading cloud platform. With these cloud service providers, you can easily set up the clusters and execute BigData with the help of Apache Spark.
- Machine Learning: Databricks offers various machine learning libraries from Apache Spark, as well as native Python libraries like TensorFlow, PyTorch, Scikit-Learn, and many more. Users can quickly adapt these libraries and quickly build and train Machine Learning models.
What is Databricks Lakehouse?
The data lakehouse is an open data architecture combining the best data warehouses and data lakes on one platform.
Databricks Data Lakehouse is centered around Delta Lake, an open-source project managed by Linux Foundation.
Delta lake is a storage layer above Parquet files and provides ACID transactions over data residing on tables named Delta Tables.
Delta Table addresses the following issues that are usually faced by the customer using data warehouse solutions:
- Inability or not, an easy way to append data
- Jobs fail mid-way
- Complexity in Modifications of existing data.
- Real-time operations
- Costly to keep historical versions of data
- Difficult to handle large metadata
- “Too many files” problems
- Hard to get great performance
- Data quality issues
Databricks vs Redshift: 6 Key Differences
Now that you have discussed AWS Redshift and Databricks Lakehouse in detail in the above section. Let us compare them based on different aspect:
1) Databricks vs Redshift: Deployment Model
Generally, AWS Redshift has a SaaS(Software as a Service) Deployment, model. AWS Redshift is a Cloud-based service from Amazon Web Services and hence follows the same Deployment model as other AWS services. Users can create Redshift clusters and attach them to the ready-to-use AWS Redshift.
In the same way, Databricks also follows the Saas(Software-as-a-Service) Deployment Model. It has its cluster, storage system, file system, etc. Users who want to use Databricks can subscribe to their available plans and use the ready-to-go Databricks solutions.
2) Databricks vs Redshift: Data Ownership
AWS retains the ownership of both Data Storage and Data Processing layers. In AWS Redshift, the data ownership is entirely maintained by AWS services. Be it its storage layer or S3, you cannot store or move the data to any Third-Party application if you have to use AWS Redshift.
On the other hand, with Databricks, the Data Storage and Data Processing layers are separated. It allows you to store the data in any cloud storage (i.e., AWS, Azure, GCP) or within Databricks.
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- Fully Managed: Hevo requires no management and maintenance as it is a fully automated platform.
- Data Transformation: Hevo provides a simple interface to perfect, modify, and enrich the data you want to transfer.
- Faster Insight Generation: Hevo offers near real-time data replication so you have access to real-time insight generation and faster decision making.
- Schema Management: Hevo can automatically detect the schema of the incoming data and map it to the destination schema.
- Scalable Infrastructure: Hevo has in-built integrations for 100+ sources (with 40+ free sources) that can help you scale your data infrastructure as required.
- Live Support: Hevo team is available round the clock to extend exceptional support to its customers through chat, email, and support calls.
3) Databricks vs Redshift: Data Structure
AWS Redshift supports semi-structured and structured data. AWS redshift uses the COPY command to copy the data from S3 to its warehouse, thereby keeping the data integrity and ownership. Once the data is loaded into its warehouse, it can then be used to perform analytics and generate insights. AWS redshift can work with data types such as CSV, Parquet, JSON, Avro, etc.
Like AWS Redshift, Databricks also works with all the datatypes like CSV, Parquet, JSON, and many more in their original format. Can work with all the data types in their original format. You can even use Databricks as an ETL tool to add structure to your Unstructured data so that other tools like Snowflake can work with it.
4) Databricks vs Redshift: Use Case Versatility
AWS Redshift provides an SQL interface to write and execute queries on the data residing in its warehouse. AWS redshift is best suited for SQL-based Business Intelligence use cases. They perform Machine Learning and Data Science use cases; users must rely on the different tools from the AWS stack.
On the other hand, Databricks allows users to perform Big Data analytics, build and execute Machine Learning Algorithms, and develop Data Science capabilities. It also allows the execution of high-performance SQL queries for Business Intelligence use cases.
5) Databricks vs Redshift: Scalability
AWS Redshift uses its Cluster and is highly scalable. It allows users to create clusters with different configurations and upscale and downscale at any given time without fear of losing any data.
On the other hand, Databricks also offers scalable clusters which can be scaled up and down based on the requirements.
6) Databricks vs Redshift: Pricing
AWS Redshift, allows you to create a small cluster as small at $0.25 per hour and scale up to petabytes of data and thousands of concurrent users. However, AWS Redshift has a pay-as-you-go pricing model that allows users to save money when the cluster is idle.
Databricks offers you a pay-as-you-go approach with no up-front costs. However, Databricks pricing is also dependent upon the cloud services chosen. You can find more about pricing here.
In this blog post, you have discussed AWS Redshift and Databricks Lakehouse. This blog also highlights their key features and compares them against different parameters.
Though, getting data into Databricks or Redshift can be a time-consuming and resource-intensive task, especially if you have multiple data sources. To manage & manage the ever-changing data connectors, you need to assign a portion of your engineering bandwidth to Integrate data from all sources, Clean & Transform it, and finally, Load it to a Cloud Data Warehouse like Databricks, Redshift, or a destination of your choice for further Business Analytics. All of these challenges can be comfortably solved by a Cloud-based ETL tool such as Hevo Data.
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