Apache Cassandra

Website

cassandra.apache.org

$ Details

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Categories

#Databases #NoSQL Databases #Relational Databases #Big Data

BaseX

Website

basex.org

$ Details

Categories

#Text Editors #Databases #Task Management #NoSQL Databases

Apache Cassandra features and specs

• Scalability
  Apache Cassandra is designed for linear scalability and can handle large volumes of data across many commodity servers without a single point of failure.
• High Availability
  Cassandra ensures high availability by replicating data across multiple nodes. Even if some nodes fail, the system remains operational.
• Performance
  It provides fast writes and reads by using a peer-to-peer architecture, making it highly suitable for applications requiring quick data access.
• Flexible Data Model
  Cassandra supports a flexible schema, allowing users to add new columns to a table at any time, making it adaptable for various use cases.
• Geographical Distribution
  Data can be distributed across multiple data centers, ensuring low-latency access for geographically distributed users.
• No Single Point of Failure
  Its decentralized nature ensures there is no single point of failure, which enhances resilience and fault-tolerance.

Possible disadvantages of Apache Cassandra

• Complexity
  Managing and configuring Cassandra can be complex, requiring specialized knowledge and skills for optimal performance.
• Eventual Consistency
  Cassandra follows an eventual consistency model, meaning that there might be a delay before all nodes have the latest data, which may not be suitable for all use cases.
• Write-heavy Operations
  Although Cassandra handles writes efficiently, write-heavy workloads can lead to compaction issues and increased read latency.
• Limited Query Capabilities
  Cassandra's query capabilities are relatively limited compared to traditional RDBMS, lacking support for complex joins and aggregations.
• Maintenance Overhead
  Regular maintenance tasks such as node repair and compaction are necessary to ensure optimal performance, adding to the administrative overhead.
• Tooling and Ecosystem
  While the ecosystem for Cassandra is growing, it is still not as extensive or mature as those for some other database technologies.

BaseX features and specs

• Open Source
  BaseX is freely available under a liberal open-source license, allowing developers to use, modify, and distribute the software according to their needs.
• Lightweight and Fast
  The software is designed to be lightweight and performant, which makes it suitable for handling XML data with efficient storage and querying capabilities.
• XQuery Support
  BaseX offers robust support for XQuery, allowing users to query and manipulate XML data effectively.
• Versatile Use Cases
  It supports a variety of use cases such as XML database management, data integration, and application development.
• Active Community and Development
  BaseX has an active user community and regular updates, contributing to ongoing improvement and support for users.

Possible disadvantages of BaseX

• Limited to XML
  BaseX primarily focuses on XML data, which may not be suitable for projects that require multiple data formats or more modern document standards like JSON.
• Learning Curve
  Users unfamiliar with XML or XQuery may find it challenging to learn and utilize BaseX effectively in the beginning.
• Scalability Concerns
  While BaseX is performant for small to medium datasets, some users might encounter limitations or require optimizations for very large datasets.
• Limited Commercial Support
  Comprehensive commercial support options are more limited compared to larger, proprietary database solutions.

Course Intro | DS101: Introduction to Apache Cassandra™

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BaseX Rig