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IBM DB2 vs Redis: What are the differences?
What is IBM DB2? A family of database server products developed by IBM. DB2 for Linux, UNIX, and Windows is optimized to deliver industry-leading performance across multiple workloads, while lowering administration, storage, development, and server costs.
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.
IBM DB2 and Redis are primarily classified as "Databases" and "In-Memory Databases" tools respectively.
"Rock solid and very scalable" is the primary reason why developers consider IBM DB2 over the competitors, whereas "Performance" was stated as the key factor in picking Redis.
Redis is an open source tool with 37.1K GitHub stars and 14.3K GitHub forks. Here's a link to Redis's open source repository on GitHub.
According to the StackShare community, Redis has a broader approval, being mentioned in 3239 company stacks & 1735 developers stacks; compared to IBM DB2, which is listed in 7 company stacks and 9 developer stacks.
Pros of IBM DB2
- Rock solid and very scalable7
- BLU Analytics is amazingly fast5
- Native XML support2
- Secure by default2
- Easy2
- Best performance1
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 IBM DB2
Cons of Redis
- Cannot query objects directly15
- No secondary indexes for non-numeric data types3
- No WAL1
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What is IBM DB2?
What is Redis?
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