DBMS > Elasticsearch vs. Qdrant
System Properties Comparison Elasticsearch vs. Qdrant
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|Editorial information provided by DB-Engines|
|Name||Elasticsearch Xexclude from comparison||Qdrant Xexclude from comparison|
|Description||A distributed, RESTful modern search and analytics engine based on Apache Lucene Elasticsearch lets you perform and combine many types of searches such as structured, unstructured, geo, and metric||A high-performance vector similarity Search Engine and vector Database with neural network or semantic-based matching|
|Primary database model||Search engine||Search engine|
|Secondary database models||Document store|
|Current release||8.6, January 2023|
|License Commercial or Open Source||Open Source Elastic License||Open Source Apache Version 2.0|
|Cloud-based only Only available as a cloud service||no||no|
|DBaaS offerings (sponsored links) Database as a Service|
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|Server operating systems||All OS with a Java VM||Docker|
|Data scheme||schema-free Flexible type definitions. Once a type is defined, it is persistent||schema-free|
|Typing predefined data types such as float or date||yes||Numbers, Strings, Geo, Boolean|
|XML support Some form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.||no||no|
|Secondary indexes||yes All search fields are automatically indexed||yes Keywords, numberic ranges, geo, full-text|
|SQL Support of SQL||SQL-like query language||no|
|APIs and other access methods||Java API|
RESTful HTTP/JSON API
RESTful HTTP/JSON API OpenAPI 3.0
|Supported programming languages||.Net|
Community Contributed Clients
|Server-side scripts Stored procedures||yes|
|Triggers||yes by using the 'percolation' feature|
|Partitioning methods Methods for storing different data on different nodes||Sharding||Sharding|
|Replication methods Methods for redundantly storing data on multiple nodes||yes||Collection-level replication|
|MapReduce Offers an API for user-defined Map/Reduce methods||ES-Hadoop Connector||no|
|Consistency concepts Methods to ensure consistency in a distributed system||Eventual Consistency Synchronous doc based replication. Get by ID may show delays up to 1 sec. Configurable write consistency: one, quorum, all||Eventual Consistency, tunable consistency|
|Foreign keys Referential integrity||no|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||no|
|Concurrency Support for concurrent manipulation of data||yes||yes|
|Durability Support for making data persistent||yes||yes|
|In-memory capabilities Is there an option to define some or all structures to be held in-memory only.||Memcached and Redis integration||yes|
|User concepts Access control||Key-based authentication|
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|DB-Engines blog posts|
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Elasticsearch moved into the top 10 most popular database management systems MySQL, PostgreSQL and Redis are the winners of the March ranking
MySQL, PostgreSQL and Redis are the winners of the March ranking
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