Elasticsearch vs Solr : Head-to-Head Comparison Guide
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(Reviews: 1.5K)
Est. users: 4.5M
Price Ranges: $50 - $150 - $400
(Reviews: 1.2K)
Est. users: 80K
Elasticsearch vs Solr
Elasticsearch and Solr are both popular open-source search engines, but they differ in architecture and use cases. Elasticsearch is built on top of Apache Lucene and is known for its distributed nature, making it highly scalable and well-suited for real-time search applications. Solr, also based on Lucene, excels in providing advanced indexing capabilities, making it ideal for complex search applications and large-scale enterprise environments, often preferred for its rich feature set and robust support for text analysis and faceted search.
Elasticsearch
- JSON-based document store
- Built on Apache Lucene
- Real-time search and analytics
- Supports distributed search
- RESTful API for interactions
- Dynamic schema support
- Horizontal scalability
Key Differences
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Scalability
Elasticsearch is designed to be highly distributed and to scale out easily by adding more nodes to the cluster, while Solr can be more complex to scale and manage in a distributed environment.
Winner: Elasticsearch
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Real-time Indexing
Elasticsearch supports near real-time indexing, making it more suitable for scenarios where data needs to be available for search almost immediately after being indexed. Solr has traditionally had more latency in indexing new documents.
Winner: Elasticsearch
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Query Language
Solr uses a standard query parser that can be extended with numerous plugins, making it versatile for complex querying needs. Elasticsearch uses a JSON-based query language that is very expressive and powerful but can have a steeper learning curve.
Winner: Its a tie
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Ecosystem and Integration
Elasticsearch has a rich ecosystem with tools like Kibana for visualization and Logstash for data ingestion, making it easily integrable into the ELK stack for comprehensive log analysis and monitoring solutions. Solr also has integrations but not as extensive as the ELK stack.
Winner: Elasticsearch
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Installation and Configuration
Solr can be easier to get started with, having simpler installation and basic configurations through its server.xml file. Elasticsearch often requires more configurations through YAML files, which can be intimidating for beginners.
Winner: Solr
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Community and Support
Both Elasticsearch and Solr have strong communities and extensive documentation. However, Elasticsearch benefits from commercial support and extensive contributions from Elastic.co, providing more professional and enterprise-level support options.
Winner: Its a tie
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Performance
Elasticsearch often provides better performance for full-text search queries due to its distributed nature and Lucene optimizations. Solr is also Lucene-based but sometimes lags behind in performance benchmarks.
Winner: Elasticsearch
Distinct Features
Elasticsearch | Solr |
---|---|
Built-in Kibana for visualization | SolrCloud for distributed scaling |
Beats and Logstash for data ingestion | Built-in Apache Zookeeper for cluster coordination |
Automatic shard allocation and rebalancing | Deep nested document support |
Optimized for time series data | Block join for parent-child document relationships |
Scripted updates using painless scripting | Real-time indexing and searching with soft commits |
Cross-cluster replication | Native faceting capabilities including pivot (sub-faceting) |
Index Lifecycle Management (ILM) | Customizable and pluggable update request processors |
Geo-spatial search capabilities | Rich document parsing using Apache Tika |
Full-text search with analyzers like n-grams | Advanced highlighting options |
Native support for Elasticsearch Query DSL (Domain-Specific Language) | SQL querying support through Solr SQL |
Pricing Overview
Elasticsearch
- Basic ($50) - Best for individuals and small teams
- Standard ($150) - Ideal for medium-sized enterprises
- Enterprise ($400) - Tailored for organizations with complex needs
Indepth Overview
Elasticsearch | Solr | |
---|---|---|
Search Features | ||
Full-Text Search | ★4.8 - Elasticsearch provides highly effective full-text search capabilities using features like analyzers and tokenizers. | ★4.7 - Solr offers powerful full-text search capabilities, including support for advanced querying and indexing options. |
Near Real-Time Search | ★4.7 - Elasticsearch enables near real-time search, allowing for quick updates to the index. | ★4.9 - Solr provides near real-time indexing and search, allowing for quick updates to indexes. |
Phrase Matching | ★4.5 - Elasticsearch supports phrase matching, making it easy to find exact phrases within documents. | ★4.7 - Solr supports phrase matching and proximity searches for precise document matching. |
Faceted Search | ★4.9 - Elasticsearch has robust support for faceted search, which allows for effective filtering of search results. | ★4.8 - Solr offers extensive support for faceted search, allowing for flexible and customizable filtering of search results. |
Geo-search | ★4.6 - Elasticsearch provides geospatial search capabilities, allowing for efficient location-based queries. | ★4.7 - Solr supports geospatial search functionality, enabling location-based searches and filtering. |
Scalability and Performance | ||
Horizontal Scalability | ★4.9 - Elasticsearch excels in horizontal scalability, with the ability to scale seamlessly across multiple nodes. | ★4.8 - Solr supports horizontal scalability, allowing for distributed indexing and search across multiple nodes. |
High Search Performance | ★4.8 - Elasticsearch is known for its fast search performance, with optimized indexing and retrieval mechanisms. | ★4.7 - Solr is known for its efficient search performance, with optimized indexing and caching strategies. |
Distributed Search | ★4.8 - Elasticsearch supports distributed search operations, allowing for efficient search across multiple nodes. | ★4.7 - Solr provides distributed search capabilities, enabling efficient querying across multiple nodes. |
Parallel Processing | ★4.7 - Elasticsearch leverages parallel processing capabilities, enhancing its performance for large-scale operations. | ★4.6 - Solr leverages parallel processing techniques, enhancing its performance for large-scale operations. |
Aggregations | ★4.9 - Elasticsearch offers powerful aggregations for data analysis and aggregation-based queries. | ★4.8 - Solr offers rich aggregations for advanced data analysis and reporting. |
Data Analysis and Querying | ||
Real-Time Analytics | ★4.9 - Elasticsearch enables real-time analytics by providing fast query execution on large volumes of data. | ★4.7 - Solr provides real-time analytics capabilities with fast query execution on large datasets. |
Complex Querying | ★4.8 - Elasticsearch supports complex queries with Boolean logic, wildcard searches, and range queries. | ★4.9 - Solr supports complex queries, including Boolean logic, wildcard searches, and range queries. |
Nested Querying | ★4.7 - Elasticsearch allows for nested querying, making it easier to search and filter nested data structures. | ★4.7 - Solr allows for nested querying, facilitating search and filtering operations on nested data structures. |
Time-Series Data Analysis | ★4.8 - Elasticsearch has built-in support for time-based data analysis and time-series queries. | ★4.7 - Solr offers support for time-series data analysis and time-based querying. |
Relevance Scoring | ★4.9 - Elasticsearch offers powerful relevance scoring capabilities for accurate search results ranking. | ★4.7 - Solr provides relevance scoring features for accurate ranking of search results. |
Monitoring and Administration | ||
Cluster Monitoring | ★4.8 - Elasticsearch offers comprehensive cluster monitoring and management tools. | ★4.7 - Solr offers monitoring capabilities to track the performance and health of the search cluster. |
Index Lifecycle Management | ★4.7 - Elasticsearch provides built-in index lifecycle management functionality. | ★4.8 - Solr provides functionality for managing the lifecycle of indexes. |
Alerting and Notification | ★4.6 - Elasticsearch supports alerting and notification mechanisms for proactive monitoring. | ★4.7 - Solr supports alerting and notification mechanisms for monitoring search operations. |
RESTful API | ★4.9 - Elasticsearch provides a powerful RESTful API for easy administration and management. | ★4.8 - Solr provides a comprehensive RESTful API for easy administration and configuration. |
Security Features | ★4.9 - Elasticsearch includes robust security features, such as role-based access control and encryption. | ★4.8 - Solr includes security features such as authentication, authorization, and encryption. |
Unusual Features | ||
Ingest Node Pipelines | ★4.7 - Elasticsearch offers ingest node pipelines for data transformation and enrichment. | |
Searchable Snapshots | ★4.8 - Elasticsearch allows for searchable snapshots, enabling instant access and search capabilities to backed up data. | |
Cross-Cluster Replication | ★4.6 - Elasticsearch supports cross-cluster replication, allowing for data replication and synchronization across multiple clusters. | |
Machine Learning Integration | ★4.7 - Solr has integration with popular machine learning libraries for advanced data analysis. | |
Graph Exploration | ★4.8 - Elasticsearch provides graph exploration capabilities for querying and analyzing relationships between data points. | ★4.7 - Solr supports graph exploration to analyze and visualize relationships in the data. |
Ingestion Pipelines | ★4.8 - Solr provides ingestion pipelines for data transformation and enrichment. | |
Near-Real-Time Get | ★4.7 - Solr offers near-real-time retrieval of individual documents without the need for reindexing. | |
Distributed Indexing | ★4.6 - Solr supports distributed indexing, allowing for efficient indexing operations across multiple nodes. |
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