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Redis vs Riak: What are the differences?
Developers describe Redis as "An in-memory database that persists on disk". Redis is an open source, BSD licensed, advanced key-value store. It is often referred to as a data structure server since keys can contain strings, hashes, lists, sets and sorted sets. On the other hand, Riak is detailed as "A distributed, decentralized data storage system". Riak is a distributed database designed to deliver maximum data availability by distributing data across multiple servers. As long as your client can reach one Riak server, it should be able to write data. In most failure scenarios, the data you want to read should be available, although it may not be the most up-to-date version of that data.
Redis belongs to "In-Memory Databases" category of the tech stack, while Riak can be primarily classified under "Databases".
"Performance" is the primary reason why developers consider Redis over the competitors, whereas "High Performance " was stated as the key factor in picking Riak.
Redis and Riak are both open source tools. Redis with 37.4K GitHub stars and 14.4K forks on GitHub appears to be more popular than Riak with 3.24K GitHub stars and 530 GitHub forks.
According to the StackShare community, Redis has a broader approval, being mentioned in 3261 company stacks & 1781 developers stacks; compared to Riak, which is listed in 15 company stacks and 10 developer stacks.
Pros of Redis
- Performance882
- Super fast540
- Ease of use510
- In-memory cache441
- Advanced key-value cache321
- Open source190
- Easy to deploy180
- Stable163
- Free153
- Fast120
- High-Performance40
- High Availability39
- Data Structures34
- Very Scalable31
- Replication23
- Great community21
- Pub/Sub21
- "NoSQL" key-value data store17
- Hashes14
- Sets12
- Sorted Sets10
- Lists9
- BSD licensed8
- NoSQL8
- Integrates super easy with Sidekiq for Rails background7
- Async replication7
- Bitmaps7
- Keys with a limited time-to-live6
- Open Source6
- Strings5
- Lua scripting5
- Hyperloglogs4
- Awesomeness for Free!4
- Transactions3
- Runs server side LUA3
- outstanding performance3
- Networked3
- LRU eviction of keys3
- Written in ANSI C3
- Feature Rich3
- Performance & ease of use2
- Data structure server2
- Simple1
- Channels concept1
- Scalable1
- Temporarily kept on disk1
- Dont save data if no subscribers are found1
- Automatic failover1
- Easy to use1
- Existing Laravel Integration1
- Object [key/value] size each 500 MB1
Pros of Riak
- High Performance14
- High Availability11
- Easy Scalability9
- Flexible5
- Strong Consistency1
- Eventual Consistency1
- Distributed1
- Multi datacenter deployments1
- Reliable1
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Cons of Redis
- Cannot query objects directly15
- No secondary indexes for non-numeric data types3
- No WAL1
Cons of Riak
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What is Redis?
What is Riak?
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