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ClearDB vs Redis: What are the differences?
What is ClearDB? Fault tolerant database-as-a-service in the cloud for your MySQL powered applications. ClearDB uses a combination of advanced replication techniques, advanced cluster technology, and layered web services to provide you with a MySQL database that is "smarter" than usual.
What is Redis? 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.
ClearDB and Redis are primarily classified as "SQL Database as a Service" and "In-Memory Databases" tools respectively.
"Cloud SQL" is the primary reason why developers consider ClearDB over the competitors, whereas "Performance" was stated as the key factor in picking Redis.
Redis is an open source tool with 37.4K GitHub stars and 14.4K GitHub forks. Here's a link to Redis's open source repository on GitHub.
Airbnb, Uber Technologies, and Instagram are some of the popular companies that use Redis, whereas ClearDB is used by Salesforce, Movielala, and Skype. Redis has a broader approval, being mentioned in 3264 company stacks & 1786 developers stacks; compared to ClearDB, which is listed in 5 company stacks and 3 developer stacks.
Pros of ClearDB
- Cloud SQL7
- Heroku6
- Fast4
- Great Backup3
- Easy to use3
- Scalability2
- Great Support1
- Geographic redundancy1
- Master / master replication1
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 ClearDB
Cons of Redis
- Cannot query objects directly15
- No secondary indexes for non-numeric data types3
- No WAL1
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What is ClearDB?
What is Redis?
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