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MapDB vs Redis: What are the differences?
Key Differences between MapDB and Redis
MapDB and Redis are both popular databases used for storing and managing data, but they have some key differences that set them apart. Here are the main differences between MapDB and Redis:
Data Storage: MapDB is an embedded database that stores data on the disk in a binary format. It can be used as an in-memory database or as a persistent storage solution. Redis, on the other hand, is an in-memory data structure store and can be used as a cache or a database. It stores data in RAM, but it also provides an option to persist data to disk.
Data Structures: MapDB provides a wide range of data structures such as maps, sets, queues, and lists. It supports concurrent access and can be used in multi-threaded environments. Redis, on the other hand, provides a smaller set of data structures such as strings, lists, sets, and sorted sets. It excels at performing operations on these data structures in a highly efficient manner.
Query Language: MapDB does not have a dedicated query language and relies on traditional Java APIs for data access and manipulation. It allows custom query operations to be performed using the Java programming language. Redis, on the other hand, provides its own query language called RedisQL. It allows users to perform complex operations on data using a simple and intuitive syntax.
Scalability: MapDB is designed to work on a single machine and does not provide built-in support for distributed computing. It can scale vertically by adding more powerful hardware with larger storage capacity. Redis, on the other hand, is designed to be highly scalable and can be deployed in a distributed environment. It uses a master-slave replication model and supports sharding to achieve high availability and performance.
Durability: MapDB provides durability by persisting data to disk in a transactional manner. It also supports various data backup strategies to prevent data loss. Redis, on the other hand, provides durability by periodically writing data to disk. It also supports replication and clustering to ensure high availability and data persistence.
Community and Ecosystem: MapDB has a smaller community and ecosystem compared to Redis. Redis has a large and active community of users and contributors. It has a wide range of libraries, tools, and integrations available, making it easier to integrate with other platforms and systems.
In summary, MapDB is a versatile embedded database with a focus on data storage and retrieval, while Redis is an in-memory data structure store designed for high performance and scalability.
Pros of MapDB
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 MapDB
Cons of Redis
- Cannot query objects directly15
- No secondary indexes for non-numeric data types3
- No WAL1