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Aerospike vs Redis: What are the differences?
Introduction
In this article, we will discuss the key differences between Aerospike and Redis. Both Aerospike and Redis are highly popular databases used for different purposes. Understanding their differences will help in choosing the most suitable option for specific use cases.
Data Structure: Aerospike is a key-value store that supports the storage of complex serialized data structures, such as lists and maps, within a single value. On the other hand, Redis is an in-memory data structure store that supports various data structures, including strings, hashes, sets, lists, and more.
Data Persistence: Aerospike supports both in-memory and durable storage options. It can persist data on disk and provide high availability even in the event of a node failure. Redis primarily focuses on in-memory storage but provides the ability to persist data to disk asynchronously or synchronously using different persistence options.
Scalability: Aerospike is designed to scale horizontally and can distribute data across multiple nodes in a cluster seamlessly. Redis, on the other hand, was initially designed to be a single-threaded, in-memory database, but can also be clustered to achieve scalability by sharding data across multiple nodes.
Performance: Aerospike is built with performance and low-latency in mind and is able to handle high throughput workloads efficiently. Redis is also known for its high performance and low latency, especially for read-heavy workloads, due to keeping the data in memory.
Replication: Aerospike uses a strong consistency model for replication, ensuring that data is replicated synchronously across multiple nodes. Redis supports both asynchronous and synchronous replication, allowing flexibility in choosing the replication strategy based on specific use cases.
Advanced Data Types: Redis offers a rich set of advanced data types and operations on those types, such as sorted sets, hyperloglogs, and bitmap operations. Aerospike, while also supporting complex data structures, does not have as extensive support for advanced data types as Redis.
In summary, Aerospike and Redis differ in terms of their supported data structure, data persistence options, scalability, performance, replication strategy, and support for advanced data types. Understanding these differences will help in choosing the appropriate database for specific use cases.
Pros of Aerospike
- Ram and/or ssd persistence16
- Easy clustering support12
- Easy setup5
- Acid4
- Petabyte Scale3
- Scale3
- Performance better than Redis3
- Ease of use2
Pros of Redis
- Performance886
- Super fast542
- Ease of use513
- In-memory cache444
- Advanced key-value cache324
- Open source194
- Easy to deploy182
- Stable164
- Free155
- Fast121
- High-Performance42
- High Availability40
- Data Structures35
- Very Scalable32
- Replication24
- Great community22
- Pub/Sub22
- "NoSQL" key-value data store19
- Hashes16
- Sets13
- Sorted Sets11
- NoSQL10
- Lists10
- Async replication9
- BSD licensed9
- Bitmaps8
- Integrates super easy with Sidekiq for Rails background8
- Keys with a limited time-to-live7
- Open Source7
- Lua scripting6
- Strings6
- Awesomeness for Free5
- Hyperloglogs5
- Transactions4
- Outstanding performance4
- Runs server side LUA4
- LRU eviction of keys4
- Feature Rich4
- Written in ANSI C4
- Networked4
- Data structure server3
- Performance & ease of use3
- Dont save data if no subscribers are found2
- Automatic failover2
- Easy to use2
- Temporarily kept on disk2
- Scalable2
- Existing Laravel Integration2
- Channels concept2
- Object [key/value] size each 500 MB2
- Simple2
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Cons of Aerospike
Cons of Redis
- Cannot query objects directly15
- No secondary indexes for non-numeric data types3
- No WAL1