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Redis ™ VS Postgres-XC

Compare Redis VS Postgres-XC and see what are their differences

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?
Postgres-XC

Free, secure and fast downloads from the largest Open Source applications and software directory - SourceForge.net

Rating
0 reviews
Alternatives Is it good?
cobwebs.app
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 more popular. It has been mentioned 239 times since March 2021.

social mentions
239 vs 0
Databases popularity
99% vs 1%
alternatives listed
240+ vs 17

Base details

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

Redis
Postgres-XC
Website redis.io sourceforge.net
Pricing
Open source
—
Listed in
Key-Value Database NoSQL Databases Databases Graph Databases +1
Databases NoSQL Databases Relational Databases Document Databases +1

About Redis and Postgres-XC

In their own words, as submitted to SaaSHub.

Redis
Postgres-XC

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

No description of Postgres-XC yet.

Features and specs

What each product offers, as listed by its team.

Redis 7 features
Postgres-XC 0 features
  • 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.

No features have been listed yet.

Analysis

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

Redis
Postgres-XC

No analysis of Redis yet.

Overall verdict

  • Postgres-XC is a discontinued open-source project that provided write-scalable, multi-master synchronous PostgreSQL clustering, but it has been superseded by newer forks and is no longer actively maintained, making it a poor choice for new deployments today.

Why this product is good

  • Was one of the earliest solutions to add horizontal write scalability to PostgreSQL through a distributed architecture
  • Offered multi-master synchronous replication allowing reads and writes from any node
  • Maintained strong consistency (ACID compliance) across the cluster, unlike many NoSQL alternatives
  • Inspired successor projects like Postgres-XL and later influenced Citus and other distributed Postgres solutions
  • Free and open-source, allowing full inspection and modification of the codebase

Recommended for

  • Users researching the historical evolution of distributed PostgreSQL architectures
  • Legacy systems still running Postgres-XC that need maintenance knowledge
  • Developers evaluating old codebases before migrating to actively maintained alternatives like Postgres-XL, Citus, or YugabyteDB
  • Not recommended for new production deployments due to lack of updates, security patches, and community support

Videos

Walkthroughs and reviews on video.

Redis 7 videos + Add
Postgres-XC 0 videos + Add

Improve your Redis developer experience with RedisInsight, Redis Labs

More videos

  • - What is Redis? | Why and When to use Redis? | Tech Primers
  • - Redis Enterprise Overview with Yiftach Shoolman - Redis Labs
  • - Redis Labs "Why NoSQL is a Safe Bet"
  • - Redis system design | Distributed cache System design
  • - What is Redis and What Does It Do?
  • - Redis Sorted Sets Explained

No Postgres-XC videos yet. You could help us improve this page by suggesting one.

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
Redis
Postgres-XC
99% 99%
Databases
1% 1%
98% 98%
NoSQL Databases
2% 2%
100% 100%
Key-Value Database
0% 0%
0% 0%
Relational Databases
100% 100%

User comments

Share your experience with using Redis and Postgres-XC. 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.

Redis no reviews yet
Postgres-XC no reviews yet

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We have no reviews of Postgres-XC yet. Be the first one to post

Social recommendations and mentions

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

Redis 239 mentions
Postgres-XC 0 mentions
  • 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 2 months 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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Tracking Postgres-XC since Mar 2021.

Alternatives to Redis and Postgres-XC

When comparing Redis and Postgres-XC, you can also consider the following products.

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