Choosing the right database is a critical choice when building any software application. All databases have different strengths and weaknesses when it comes to performance, so deciding which database has the most benefits and the most minor downsides for your specific use case and data model is an important decision. Below you will find an overview of the key concepts, architecture, features, use cases, and pricing models of DataBend and PostgreSQL so you can quickly see how they compare against each other.
The primary purpose of this article is to compare how DataBend and PostgreSQL perform for workloads involving time series data, not for all possible use cases. Time series data typically presents a unique challenge in terms of database performance. This is due to the high volume of data being written and the query patterns to access that data. This article doesn’t intend to make the case for which database is better; it simply provides an overview of each database so you can make an informed decision.
DataBend vs PostgreSQL Breakdown
DataBend can be run on your own infrastructure or using a managed service. It is designed as a cloud native system and is built to take advantage of many of the services available in cloud providers like AWS, Google Cloud, and Azure.
PostgreSQL can be deployed on various platforms, such as on-premises, in virtual machines, or as a managed cloud service like Amazon RDS, Google Cloud SQL, or Azure Database for PostgreSQL.
PostgreSQL license (similar to MIT or BSD)
Data analytics, Data warehousing, Real-time analytics, Big data processing
Web applications, geospatial data, business intelligence, analytics, content management systems, financial applications, scientific applications
Horizontally scalable with support for distributed computing
Supports vertical scaling, horizontal scaling through partitioning, sharding, and replication using available tools
DataBend is an open-source, cloud-native data processing and analytics platform designed to provide high-performance, cost-effective, and scalable solutions for big data workloads. The project is driven by a community of developers, researchers, and industry professionals aiming to create a unified data processing platform that combines batch and streaming processing capabilities with advanced analytical features. DataBend’s flexible architecture allows users to build a wide range of applications, from real-time analytics to large-scale data warehousing.
PostgreSQL, also known as Postgres, is an open-source relational database management system that was first released in 1996. It has a long history of being a robust, reliable, and feature-rich database system, widely used in various industries and applications. PostgreSQL is known for its adherence to the SQL standard and extensibility, which allows users to define their own data types, operators, and functions. It is developed and maintained by a dedicated community of contributors and is available on multiple platforms, including Windows, Linux, and macOS.
DataBend for Time Series Data
DataBend’s architecture and processing capabilities make it a suitable choice for working with time series data. Its support for both batch and streaming data processing allows users to ingest, store, and analyze time series data at scale. Additionally, DataBend’s integration with Apache Arrow and its powerful query execution framework enable efficient querying and analytics on time series data, making it a versatile choice for applications that require real-time insights and analytics.
PostgreSQL for Time Series Data
PostgreSQL can be used for time series data storage and analysis, although it was not specifically designed for this use case. With its rich set of data types, indexing options, and window function support, PostgreSQL can handle time series data. However, Postgres will not be as optimized for time series data as specialized time series databases when it comes to things like data compression, write throughput, and query speed. PostgreSQL also lacks a number of features that are useful for working with time series data like downsampling, retention policies, and custom SQL functions for time series data analysis.
DataBend Key Concepts
- DataFusion: DataFusion is a core component of DataBend, providing an extensible query execution framework that supports both SQL and DataFrame-based query APIs.
- Ballista: Ballista is a distributed compute platform within DataBend, built on top of DataFusion, that allows for efficient and scalable execution of large-scale data processing tasks.
- Arrow: DataBend leverages Apache Arrow, an in-memory columnar data format, to enable efficient data exchange between components and optimize query performance.
PostgreSQL Key Concepts
- MVCC: Multi-Version Concurrency Control is a technique used by PostgreSQL to allow multiple transactions to be executed concurrently without conflicts or locking.
- WAL: Write-Ahead Logging is a method used to ensure data durability by logging changes to a journal before they are written to the main data files.
- TOAST: The Oversized-Attribute Storage Technique is a mechanism for storing large data values in a separate table to reduce the main table’s disk space consumption.
DataBend is built on a cloud-native, distributed architecture that supports both NoSQL and SQL-like querying capabilities. Its modular design allows users to choose and combine components based on their specific use case and requirements. The core components of DataBend’s architecture include DataFusion, Ballista, and the storage layer. DataFusion is responsible for query execution and optimization, while Ballista enables distributed computing for large-scale data processing tasks. The storage layer in DataBend can be configured to work with various storage backends, such as object storage or distributed file systems.
PostgreSQL is a client-server relational database system that uses the SQL language for querying and manipulation. It employs a process-based architecture, with each connection to the database being handled by a separate server process. This architecture provides isolation between different users and sessions. PostgreSQL supports ACID transactions and uses a combination of MVCC, WAL, and other techniques to ensure data consistency, durability, and performance. It also supports various extensions and external modules to enhance its functionality.
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Unified Batch and Stream Processing
DataBend supports both batch and streaming data processing, enabling users to build a wide range of applications that require real-time or historical data analysis.
Extensible Query Execution
DataBend’s DataFusion component provides a powerful and extensible query execution framework that supports both SQL and DataFrame-based query APIs.
Scalable Distributed Computing
With its Ballista compute platform, DataBend enables efficient and scalable execution of large-scale data processing tasks across a distributed cluster of nodes.
DataBend’s architecture allows users to configure the storage layer to work with various storage backends, providing flexibility and adaptability to different use cases.
PostgreSQL allows users to define custom data types, operators, and functions, making it highly adaptable to specific application requirements.
PostgreSQL has built-in support for full-text search, enabling users to perform complex text-based queries and analyses.
With the PostGIS extension, PostgreSQL can store and manipulate geospatial data, making it suitable for GIS applications.
DataBend Use Cases
DataBend’s support for streaming data processing and its powerful query execution framework make it a suitable choice for building real-time analytics applications, such as log analysis, monitoring, and anomaly detection.
With its scalable distributed computing capabilities and flexible storage options, DataBend can be used to build large-scale data warehouses that can efficiently store and analyze vast amounts of structured and semi-structured data.
DataBend’s ability to handle arge-scale data processing and its support for both batch and streaming data make it an excellent choice for machine learning applications. Users can leverage DataBend to preprocess, transform, and analyze data for feature engineering, model training, and evaluation, enabling them to derive valuable insights and build data-driven machine learning models.
PostgreSQL Use Cases
PostgreSQL is a popular choice for large-scale enterprise applications due to its reliability, performance, and feature set.
With the PostGIS extension, PostgreSQL can be used for storing and analyzing geospatial data in applications like mapping, routing, and geocoding.
As a relational database, PostgreSQL is a good fit for pretty much any application that involves transactional workloads.
DataBend Pricing Model
As an open-source project, DataBend is freely available for use without any licensing fees or subscription costs. Users can deploy and manage DataBend on their own infrastructure or opt for cloud-based deployment using popular cloud providers. DataBend itself also provides a managed cloud service with free trial credits available.
PostgreSQL Pricing Model
PostgreSQL is open source software, and there are no licensing fees associated with its use. However, costs can arise from hardware, hosting, and operational expenses when deploying a self-managed PostgreSQL server. Several cloud-based managed PostgreSQL services, such as Amazon RDS, Google Cloud SQL, and Azure Database for PostgreSQL, offer different pricing models based on factors like storage, computing resources, and support.
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