ElasticSearch

Website

elastic.co

Pricing URL

Official ElasticSearch Pricing

Categories

#Search Engine #Custom Search Engine #Custom Search #RESTful Search Engine #Search API

OpenSearch

Website

opensearch.org

Pricing URL

-

Categories

#Custom Search Engine #Search Engine #Custom Search #Search API

ElasticSearch features and specs

• Scalability
  ElasticSearch is highly scalable, allowing you to handle large volumes of data and distribute indexing and search tasks across multiple nodes.
• Real-Time Data
  It provides real-time indexing and searching capabilities, making it suitable for applications that require up-to-the-minute data retrieval and analysis.
• Full-Text Search
  ElasticSearch is well-known for its powerful full-text search capabilities, enabling complex search queries and supporting a wide range of search options.
• Complex Query Support
  It offers a rich query language allowing for complex and nested searching with filters, aggregations, and more.
• Distributed Architecture
  ElasticSearch is designed to be distributed by nature, making it resilient to node failures and allowing data and search requests to be distributed across a cluster.
• Open Source
  ElasticSearch is open-source, offering flexibility and a large community of developers that contribute to its continuous improvement and support.
• Analytics
  Besides search, it also supports powerful analytics and visualization tools, especially when integrated with Kibana, its visualization dashboard.
• Integrations
  ElasticSearch can easily integrate with various data sources and frameworks, enhancing its usability across different applications.

Possible disadvantages of ElasticSearch

• Complexity
  Operating ElasticSearch can be complex, particularly when dealing with large-scale deployments, requiring specialized knowledge and expertise.
• Resource Intensive
  ElasticSearch can be resource-intensive, requiring significant amounts of RAM and CPU, which can be costly for large-scale operations.
• Consistency
  As a distributed system, ElasticSearch can sometimes face consistency issues, especially in scenarios involving partitions or network failures.
• Security
  Though security features are available, they often require additional configurations and are more robust in the paid versions, which can be a concern for open-source users.
• Cost
  While the core ElasticSearch software is open-source, scaling and additional features (like security, monitoring, and machine learning) are part of the paid Elastic Stack offerings.
• Learning Curve
  There is a steep learning curve associated with mastering ElasticSearch and its query DSL (Domain Specific Language), which can be a barrier for new users.
• Maintenance
  Properly maintaining an ElasticSearch cluster requires ongoing management, monitoring, and tuning to ensure optimal performance.
• Backup and Restore
  Managing backups and restores can be cumbersome and is not as straightforward as in some other databases or data storage solutions.

OpenSearch features and specs

• Open Source
  OpenSearch is released under the Apache 2.0 License, allowing users to freely use, modify, and distribute the software without licensing fees.
• Elasticsearch Compatibility
  OpenSearch maintains compatibility with popular Elasticsearch features and APIs, allowing for seamless integration for those familiar with Elasticsearch.
• Community Driven Development
  As an open-source project, it encourages community contributions and feedback, leading to rapid innovation and a diverse set of features.
• Enhanced Security Features
  OpenSearch includes built-in security features like authentication, encryption, and role-based access control out of the box.
• Comprehensive Visualization Tools
  The OpenSearch Dashboards offer extensive data visualization tools that are comparable to and compatible with Kibana, making it easier to explore and visualize data.

Possible disadvantages of OpenSearch

• Relatively New Project
  Being a newer project compared to Elasticsearch, OpenSearch might have less maturity in certain advanced features or optimizations.
• Smaller Community
  While growing, the OpenSearch community is smaller compared to Elasticsearch, potentially offering less community support or fewer third-party plugins.
• Potential Steeper Learning Curve
  For users switching from proprietary systems or Elasticsearch itself, there might be a learning curve as they adapt to any differences or nuances.
• Forking Concerns
  As a fork of Elasticsearch and Kibana, some users may have concerns about long-term feature parity or divergence from the systems they are used to.

What is Elasticsearch?

More videos:

OpenSearch - What the Fork is it?