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PostgreSQL VS Redis ™

Compare PostgreSQL VS Redis and see what are their differences

PostgreSQL

PostgreSQL is a powerful, open source object-relational database system.

Rating
0 reviews
Pricing
Open source
Alternatives Is it good?
Redis

Redis is an open source in-memory data structure project implementing a distributed, in-memory key-value database with optional durability.

Rating
0 reviews
Pricing
Open source
Alternatives Is it good?
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Tap a thing and the counter resets. A quiet, local-first day counter for the things you keep meaning to do. No account needed, no spreadsheet. sponsored

Which is more popular?

Based on our record, Redis seems to be a lot more popular than PostgreSQL. While we know about 239 links to Redis, we've tracked only 19 mentions of PostgreSQL.

social mentions
19 vs 239
Databases popularity
50% vs 50%

Base details

Website, pricing, platforms and company facts side by side.

PostgreSQL
Redis
Website postgresql.org redis.io
Pricing
Open source Official pricing
Open source
Company Startup from the United States —
Listed in
Databases Relational Databases NoSQL Databases Tool +1
Key-Value Database NoSQL Databases Databases Graph Databases +1

About PostgreSQL and Redis

In their own words, as submitted to SaaSHub.

PostgreSQL
Redis

No description of PostgreSQL yet.

Redis is an open source (BSD licensed), in-memory data structure store, used as a database, cache and message broker. It supports data structures such as strings, hashes, lists, sets, sorted sets with range queries, bitmaps, hyperloglogs, geospatial indexes with radius queries and streams. Redis...

Read more about Redis

Features and specs

What each product offers, as listed by its team.

PostgreSQL 7 features
Redis 7 features
  • Open Source
    PostgreSQL is an open-source database management system, which means it is free to use, modify, and distribute. This reduces the cost of database management for individuals and organizations.
  • ACID Compliance
    PostgreSQL is fully ACID (Atomicity, Consistency, Isolation, Durability) compliant, ensuring reliable transactions and data integrity.
  • Extensible
    PostgreSQL is highly extensible, allowing users to add custom functions, data types, and operators. This enables tailored solutions to specific requirements.
  • Advanced SQL Features
    PostgreSQL supports advanced SQL features like full-text search, JSON and XML data types, and complex queries, providing powerful tools for database operations.
  • Community Support
    There is a strong and active community around PostgreSQL, offering extensive documentation, forums, and collaborative support, which aids troubleshooting and development.
  • Multiple Indexing Techniques
    PostgreSQL offers a variety of indexing techniques such as B-tree, GIN, GiST, and BRIN, allowing for optimized query performance on various data types.
  • Cross-Platform Availability
    PostgreSQL runs on all major operating systems (Windows, MacOS, Linux, Unix), giving flexibility in deployment and development environments.

Possible disadvantages

  • Complex Configuration
    Setting up and configuring PostgreSQL can be complex and time-consuming, especially for beginners, requiring a good understanding of its parameters and best practices.
  • Heavy Resource Consumption
    PostgreSQL can be resource-intensive, consuming significant CPU and memory compared to other database systems, which may affect performance on lower-end hardware.
  • Backup and Restore Process
    The backup and restore process in PostgreSQL is not as straightforward as in some other database systems, requiring more manual intervention and understanding of tools like pg_dump and pg_restore.
  • Replication Complexity
    While PostgreSQL supports replication, setting it up can be more complex than some other databases. Advanced configurations like multi-master replication can be particularly challenging.
  • Steeper Learning Curve
    Due to its advanced features and extensive capabilities, PostgreSQL can have a steeper learning curve, making it harder for new users to get started compared to simpler database systems.
  • Less Third-Party Tool Support
    PostgreSQL has less support from third-party tools compared to more widely adopted databases like MySQL, which can limit options for auxiliary functions like administration, monitoring, and development.
  • Performance
    Redis is an in-memory data store, which allows it to provide extremely fast read and write operations. This makes it ideal for applications requiring real-time interactions.
  • Data Structures
    Redis offers a variety of data structures, such as strings, hashes, lists, sets, and sorted sets. This flexibility helps developers manage data more efficiently in different scenarios.
  • Scalability
    Redis supports horizontal scalability with features like clustering and partitioning, allowing for easy scaling as your application grows.
  • Persistence
    Though primarily an in-memory store, Redis provides options for data persistence, such as RDB snapshots and AOF logs, enabling data durability across reboots.
  • Pub/Sub Messaging
    Redis includes a built-in publish/subscribe messaging system, which can be used to implement real-time messaging and notifications.
  • Simple API
    Redis has a simple and intuitive API, which can speed up development time and make it easier to integrate Redis into various application stacks.
  • Atomic Operations
    Redis supports atomic operations on data structures, reducing the complexity of concurrent programming and making it easier to maintain data consistency.

Possible disadvantages

  • Memory Usage
    Being an in-memory data store, Redis can become expensive in terms of memory usage, especially when working with large datasets.
  • Data Persistence Limitations
    While Redis offers data persistence, it is not as robust as traditional databases. There can be data loss in certain configurations, such as when using asynchronous persistence methods.
  • Complexity in Scaling
    Although Redis supports clustering, setting up and managing a Redis cluster can be complex and may require significant DevOps expertise.
  • Single-threaded Nature
    Redis operates on a single-threaded event loop, which can become a bottleneck for certain workloads that could benefit from multi-threading.
  • Limited Query Capabilities
    Compared to traditional relational databases, Redis offers limited querying capabilities. Complex queries and joins are not supported natively.
  • License
    As of Redis 6 and higher, the Redis modules are under the Server Side Public License (SSPL), which may be restrictive for some use cases compared to more permissive open-source licenses.

Analysis

An editorial look at what each product does well and who it suits.

PostgreSQL
Redis

Overall verdict

  • Yes, PostgreSQL is considered a high-quality and reliable database management system, suitable for a wide range of applications, from small-scale personal projects to large enterprise systems.

Why this product is good

  • PostgreSQL is known for its strong support of SQL standards and excellent documentation, making it reliable for complex database requirements.
  • It provides advanced features such as multi-version concurrency control (MVCC), point-in-time recovery, and support for advanced indexing techniques.
  • PostgreSQL offers robust performance optimization options, powerful extensions, and a highly customizable platform.
  • It has a strong open-source community, ensuring ongoing improvements and support.
  • PostgreSQL is compatible with popular development frameworks and languages, enhancing its versatility.

Recommended for

  • Organizations seeking a scalable and stable database solution with strong compliance with SQL standards.
  • Developers who need advanced features like custom data types and indexing capabilities.
  • Projects requiring robust transactional integrity and data consistency.
  • Businesses looking for a cost-effective open-source database solution with active community support.

No analysis of Redis yet.

Videos

Walkthroughs and reviews on video.

PostgreSQL 3 videos + Add
Redis 7 videos + Add

Comparison of PostgreSQL and MongoDB

More videos

  • - PostgreSQL Review
  • - MySQL vs PostgreSQL - Why you shouldn't use MySQL

What is Redis? | Why and When to use Redis? | Tech Primers

More videos

  • - Improve your Redis developer experience with RedisInsight, Redis Labs
  • - Redis Labs "Why NoSQL is a Safe Bet"
  • - Redis Enterprise Overview with Yiftach Shoolman - Redis Labs
  • - Redis system design | Distributed cache System design
  • - What is Redis and What Does It Do?
  • - Redis Sorted Sets Explained

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
PostgreSQL
Redis
50% 50%
Databases
50% 50%
100% 100%
Relational Databases
0% 0%
28% 28%
NoSQL Databases
72% 72%
100% 100%
Tool
0% 0%

User comments

Share your experience with using PostgreSQL and Redis. For example, how are they different and which one is better?

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Reviews and articles

External articles and on-site reviews we used to compare the two products.

PostgreSQL no reviews yet
Redis no reviews yet

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Social recommendations and mentions

Recommendations tracked on public social media and blogs since March 2021.

PostgreSQL 19 mentions
Redis 239 mentions

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  • Too Many Req: A Bucket List Guide to Building a Rate Limiter
    That's Redis. It's an in-memory data store, it hands us atomic counter primitives like INCR, and it can expire keys automatically so windows reset on their own. - Source: dev.to / about 1 month ago
  • What's an event loop anyways?
    Event loops are a paradigm for processing events different than your typical single-threaded or multi-threaded application. Your request gets broken down into async "events" that are executed in a loop to improve performance and minimize... - Source: dev.to / about 1 month ago
  • Standalone HTTP Server with Relic in Dart
    Why a cache server? Well, to be, a cache system is the smallest piece of software one can found everywhere. There is a reason why redis, memcached or many other projects like that are used by everybody: developers need a way to store... - Source: dev.to / 5 months ago

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Alternatives to PostgreSQL and Redis

When comparing PostgreSQL and Redis, you can also consider the following products.

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