DBMS > Elasticsearch vs. openGauss vs. searchxml
System Properties Comparison Elasticsearch vs. openGauss vs. searchxml
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|Editorial information provided by DB-Engines|
|Name||Elasticsearch Xexclude from comparison||openGauss Xexclude from comparison||searchxml 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||An enterprise-class RDBMS compatible with high-performance, high-availability and high-performance originally developed by Huawei||DBMS for structured and unstructured content wrapped with an application server|
|Primary database model||Search engine||Relational DBMS||Native XML DBMS|
|Secondary database models||Document store|
|Developer||Elastic||Huawei and openGauss community||informationpartners gmbh|
|Current release||8.6, January 2023||3.0, March 2022||1.0|
|License Commercial or Open Source||Open Source Elastic License||Open Source||commercial|
|Cloud-based only Only available as a cloud service||no||no||no|
|DBaaS offerings (sponsored links) Database as a Service|
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|Implementation language||Java||C, C++, Java||C++|
|Server operating systems||All OS with a Java VM||Linux||Windows|
|Data scheme||schema-free Flexible type definitions. Once a type is defined, it is persistent||yes||schema-free|
|Typing predefined data types such as float or date||yes||yes||yes|
|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||yes|
|Secondary indexes||yes All search fields are automatically indexed||yes||yes|
|SQL Support of SQL||SQL-like query language||ANSI SQL 2011||no|
|APIs and other access methods||Java API|
RESTful HTTP/JSON API
|RESTful HTTP API|
|Supported programming languages||.Net|
Community Contributed Clients
|C++ most other programming languages supported via APIs|
|Server-side scripts Stored procedures||yes||yes||yes on the application server|
|Triggers||yes by using the 'percolation' feature||yes||no|
|Partitioning methods Methods for storing different data on different nodes||Sharding||horizontal partitioning (by range, list and hash)||none|
|Replication methods Methods for redundantly storing data on multiple nodes||yes||Source-replica replication||yes sychronisation to multiple collections|
|MapReduce Offers an API for user-defined Map/Reduce methods||ES-Hadoop Connector||no||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||Immediate Consistency||Immediate Consistency|
|Foreign keys Referential integrity||no||yes||no|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||no||ACID||multiple readers, single writer|
|Concurrency Support for concurrent manipulation of data||yes||yes||yes|
|Durability Support for making data persistent||yes||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||no||no|
|User concepts Access control||Access rights for users, groups and roles according to SQL-standard||Domain, group and role-based access control at the document level and for application services|
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