memcached

Website

memcached.org

$ Details

Categories

#Key-Value Database #Databases #NoSQL Databases #Graph Databases

Redis Enterprise

Website

redis.io

$ Details

-

Categories

#Databases #Graph Databases #NoSQL Databases #Big Data

memcached features and specs

• High Performance
  Memcached is incredibly fast and efficient at caching data in memory, enabling quick data retrieval and reducing the load on databases. Its in-memory nature significantly reduces latency.
• Scalability
  Memcached can be easily scaled horizontally by adding more nodes to the caching cluster. This allows it to handle increased loads and large datasets without performance degradation.
• Simplicity
  Memcached has a simple design and API, making it easy to implement and use. Developers can quickly integrate it into their applications without a steep learning curve.
• Open Source
  Memcached is free and open-source software, which means it can be used and modified without any licensing fees. This makes it a cost-effective solution for caching.
• Language Agnostic
  Memcached supports multiple programming languages through various client libraries, making it versatile and suitable for use in diverse tech stacks.

Possible disadvantages of memcached

• Data Volatility
  Memcached stores data in RAM, so all cached data is lost if the server is restarted or crashes. This makes it unsuitable for storing critical or persistent data.
• Limited Data Types
  Memcached primarily supports simple key-value pairs. It lacks the rich data types and more complex structures supported by some other caching solutions like Redis.
• No Persistence
  Memcached does not offer any data persistence features. It cannot save data to disk, so all information is ephemeral and will be lost on system reset.
• Size Limitation
  Memcached has a memory limit for each instance, thus, large-scale applications may need to manage multiple instances and ensure data is properly distributed.
• Security
  Memcached does not provide built-in security features such as authentication or encryption. This can be a concern in environments where data privacy and security are critical.

Redis Enterprise features and specs

• Performance
  Redis Enterprise is known for its high performance in terms of speed and low latency, making it suitable for applications that require real-time processing.
• Scalability
  The platform offers linear scalability, enabling seamless growth by adding more nodes to handle increasing workloads.
• Persistence
  Provides multiple data persistence options, allowing businesses to choose how they save data according to their needs.
• Multi-model capability
  Supports multiple data models like time-series, graph, and JSON, making it versatile for various use cases.
• High Availability
  Redis Enterprise offers strong high availability features, including automated failover and data replication across geographic locations.
• Extensibility
  Through modules and custom commands, Redis Enterprise allows users to extend and customize its capabilities.

Possible disadvantages of Redis Enterprise

• Cost
  Redis Enterprise can be expensive for some organizations, particularly for small businesses or projects with limited budgets.
• Complexity
  The myriad of features and options might introduce complexity, requiring skilled personnel to manage and deploy effectively.
• Limited to in-memory storage
  While Redis provides persistence options, it primarily operates in-memory, which may not be suitable for all data sets or sizes.
• Vendor lock-in
  Utilizing Redis Enterprise-specific features may lead to vendor lock-in, making it difficult to switch to other solutions in the future.
• Learning curve
  New users may face a learning curve due to the various advanced features and configurations available in Redis Enterprise.

Course Preview: Using Memcached and Varnish to Speed Up Your Linux Web App

Scaling Options in Redis Enterprise [Deep Dive]

More videos: