DBMS > BoltDB vs. Elasticsearch vs. OpenQM
System Properties Comparison BoltDB vs. Elasticsearch vs. OpenQM
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|Editorial information provided by DB-Engines|
|Name||BoltDB Xexclude from comparison||Elasticsearch Xexclude from comparison||OpenQM also called QM Xexclude from comparison|
|Description||An embedded key-value store for Go.||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||QpenQM is a high-performance, self-tuning, multi-value DBMS|
|Primary database model||Key-value store||Search engine||Multivalue DBMS|
|Secondary database models||Document store|
|Current release||7.8.0, June 2020||3.4-12|
|License Commercial or Open Source||Open Source MIT License||Open Source Elastic License||Open Source GPLv2, extended commercial license available|
|Cloud-based only Only available as a cloud service||no||no||no|
|DBaaS offerings (sponsored links) Database as a Service|
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|Server operating systems||BSD|
|All OS with a Java VM||AIX|
|Data scheme||schema-free||schema-free Flexible type definitions. Once a type is defined, it is persistent||yes with some exceptions|
|Typing predefined data types such as float or date||no||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||no||yes All search fields are automatically indexed||yes|
|SQL Support of SQL||no||SQL-like query language||no|
|APIs and other access methods||Java API|
RESTful HTTP/JSON API
|Supported programming languages||Go||.Net|
Community Contributed Clients
|Server-side scripts Stored procedures||no||yes||yes|
|Triggers||no||yes by using the 'percolation' feature||yes|
|Partitioning methods Methods for storing different data on different nodes||none||Sharding||yes|
|Replication methods Methods for redundantly storing data on multiple nodes||none||yes||yes|
|MapReduce Offers an API for user-defined Map/Reduce methods||no||ES-Hadoop Connector||no|
|Consistency concepts Methods to ensure consistency in a distributed system||none||Eventual Consistency Synchronous doc based replication. Get by ID may show delays up to 1 sec. Configurable write consistency: one, quorum, all||Immediate Consistency|
|Foreign keys Referential integrity||no||no||no|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||yes||no||ACID|
|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.||no||Memcached and Redis integration|
|User concepts Access control||no||Access rights can be defined down to the item level|
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|BoltDB||Elasticsearch||OpenQM also called QM|
|DB-Engines blog posts|
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