Redis vs. MongoDB: Comparing In-Memory Databases

Redis vs. MongoDB: Comparing In-Memory Databases
Built-in memory is the ideal choice when swift response time is a priority. The popular in-memory database, Redis is mainly utilized as a cache, data structure store, as well as a message broker, and so forth. MongoDB, on the other hand, is an on-disk document store with a rich query language that allows JSON interface to data.
 
Redis is a popular in-memory database structure store. It is primarily used as a very fast data structure store, a cache or a message broker among other things. Being in-memory, it is the data store of choice when response times trumps everything else.
 
MongoDB is an on-disk document store that provides a JSON interface to data and has a very rich query language. Known for its speed, efficiency, and scalability, it is the most popular NoSQL database currently.
 
MongoDB is the most popular NoSQL database; and it is known for its effectiveness, speed, and scalability. On-disk databases can obviously not match the performance of in-memory databases like Redis. However, MongoDB features memory storage engines that make a comparison possible. How do these two popular databases match up?
 

Redis vs MongoDB as Caching Solutions

 
MongoDB’s in-memory storage engine makes it match Redis as a caching solution, so will highlight what makes them superb options.
 

The advantages of Redis as a cache:

 
– Setup is straightforward and painless
 
– Easy to learn and use
 
– Provides advanced data structures for saving and querying data that cannot be done with a vanilla key-value cache
 
– Provides persistence. So, in the event of crashes, cache warming is painless.
The disadvantage of Redis as a cache:
 
– Deploying on large scale can be hectic
The advantages of MongoDB as a cache:
 
– Built-in RBAC, SSL, and scale-out
 
– Familiar traditional database but with cutting-edge manipulation features
 
– No need to change your database if already using MongoDB
 

The disadvantage of MongoDB as a cache:

 
– Provides no persistence.

Redis vs MongoDB: Comparing their Performances

– Redis delivers overall better performances for reads of workload as well as for writes with increasing workloads.
 
– Both are eventually compute bound.
– Redis is popular as the fastest database in the world, MongoDB is popular for its incredible adaptability

Active Community

Both Redis and MongoDB have active online communities that you can turn to if you require help on anything. The Redis Community Page has guides for local Redis users meetups, where they discuss ways of contributing to Redis. The online community of MongoDB page, on the other hand, has everything from the latest news, events, webinars, as well as the MongoDB University where individuals can get to learn the database.
 

VERDICT

The choice between Redis vs MongoDB depends on the developers to use it and the kind of software they intend to use it with.
Choose Redis if:
 
– Speed cannot be compromised
 
– You have a stable data size
 
– Your design is well-planned out
 

Choose MongoDB if:

 
– Your project demands flexibility
– You need a database without a steep learning curve


– You want to store large sets of data that you anticipate will grow rapidly.

Sujain Thomas

Sujain Thomas is a leading blog writer and expert travel photographer. She has written numerous articles and blog posts on topics related to Travel, Food, Lifestyle, Home Improvement, and Photography, etc.

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