memcached

Website

memcached.org

$ Details

Categories

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

MariaDB

Website

mariadb.org

$ Details

Categories

#Databases #Relational Databases #NoSQL Databases #Tool

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.

MariaDB features and specs

• Open Source
  MariaDB is fully open-source, which means it is free to use, modify, and distribute. There are no licensing fees, making it a cost-effective solution for businesses of all sizes.
• Compatibility with MySQL
  MariaDB is designed as a drop-in replacement for MySQL. It offers extensive compatibility, making it easy to switch from MySQL without needing to make significant changes to the codebase.
• Performance
  MariaDB often offers better performance and scalability compared to other relational databases. It includes enhancements in query optimization and indexing, which can lead to faster data retrieval.
• Advanced Features
  MariaDB includes advanced features such as the Aria storage engine, dynamic columns, and thread pooling. These features provide more flexibility and control over database management and optimization.
• Active Community
  Being open-source, MariaDB benefits from a robust and active community of developers and users who contribute to its development and provide support through forums and other channels.
• Security
  MariaDB is known for its strong focus on security. It includes advanced security features such as data encryption, role-based access control, and protection against SQL injection attacks.

Possible disadvantages of MariaDB

• Learning Curve
  For new users, especially those without much experience with relational databases or MySQL, MariaDB can have a steep learning curve. It requires an understanding of SQL, database management, and various configurations.
• Inconsistent Documentation
  While the community is active, the documentation can sometimes be inconsistent or incomplete. This can make troubleshooting and leveraging advanced features more challenging.
• Compatibility Issues
  Although MariaDB aims to be compatible with MySQL, certain features or configurations might not work identically, leading to potential compatibility issues with some applications.
• Fewer Enterprise Features
  Compared to commercial database solutions like Oracle, MariaDB may lack certain enterprise-level features, tools, and support options that large corporations might require.
• Market Adoption
  MariaDB, while popular, does not have as wide of an adoption as MySQL or other big players in the database market, which can be a consideration for integration and support in some environments.

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

MySQL/MariaDB Basics (RHCE Study)

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