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DBMS > Elasticsearch vs. NSDb vs. RocksDB

System Properties Comparison Elasticsearch vs. NSDb vs. RocksDB

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Editorial information provided by DB-Engines
NameElasticsearch  Xexclude from comparisonNSDb  Xexclude from comparisonRocksDB  Xexclude from comparison
DescriptionA distributed, RESTful modern search and analytics engine based on Apache Lucene infoElasticsearch lets you perform and combine many types of searches such as structured, unstructured, geo, and metricScalable, High-performance Time Series DBMS designed for Real-time Analytics on top of KubernetesEmbeddable persistent key-value store optimized for fast storage (flash and RAM)
Primary database modelSearch engineTime Series DBMSKey-value store
Secondary database modelsDocument store
Spatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score160.75
Rank#8  Overall
#1  Search engines
Score0.00
Rank#351  Overall
#36  Time Series DBMS
Score3.70
Rank#88  Overall
#15  Key-value stores
Websitewww.elastic.co/­elasticsearchnsdb.iorocksdb.org
Technical documentationwww.elastic.co/­guide/­en/­elasticsearch/­reference/­current/­index.htmlnsdb.io/­Architecturegithub.com/­facebook/­rocksdb/­wiki
DeveloperElasticFacebook, Inc.
Initial release201020172013
Current release7.8.0, June 20206.27.3, December 2021
License infoCommercial or Open SourceOpen Source infoApache Version 2; Elastic LicenseOpen Source infoApache Version 2.0Open Source infoBSD
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaJava, ScalaC++
Server operating systemsAll OS with a Java VMLinux
macOS
Data schemeschema-free infoFlexible type definitions. Once a type is defined, it is persistentschema-free
Typing infopredefined data types such as float or dateyesyes: int, bigint, decimal, stringno
XML support infoSome form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.nonono
Secondary indexesyes infoAll search fields are automatically indexedall fields are automatically indexedno
SQL infoSupport of SQLSQL-like query languageSQL-like query languageno
APIs and other access methodsJava API
RESTful HTTP/JSON API
gRPC
HTTP REST
WebSocket
C++ API
Java API
Supported programming languages.Net
Groovy
Community Contributed Clients
Java
JavaScript
Perl
PHP
Python
Ruby
Java
Scala
C++
Java
Server-side scripts infoStored proceduresyesnono
Triggersyes infoby using the 'percolation' featureno
Partitioning methods infoMethods for storing different data on different nodesShardingShardingnone
Replication methods infoMethods for redundantly storing data on multiple nodesyesnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsES-Hadoop Connectornono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency infoSynchronous doc based replication. Get by ID may show delays up to 1 sec. Configurable write consistency: one, quorum, allEventual Consistency
Foreign keys infoReferential integritynonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanonoyes
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesUsing Apache Luceneyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.Memcached and Redis integrationyes
User concepts infoAccess controlno

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More resources
ElasticsearchNSDbRocksDB
DB-Engines blog posts

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2 March 2016, Paul Andlinger

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Recent citations in the news

Elastic CEO reflects on Amazon spat, license switch, and the principles of open source
27 December 2021, VentureBeat

Elastic shares drop after co-founder of Banon steps down as CEO of software company
12 January 2022, CNBC

Qbox Joins Instaclustr, the Platform for Open Source Data
11 January 2022, GlobeNewswire

Is Elastic Stretching the Truth in Its Spat With AWS Over Elasticsearch License?
1 February 2021, Data Center Knowledge

Amazon’s Elasticsearch fork OpenSearch hits prime time
13 July 2021, VentureBeat

provided by Google News

Did Rockset Just Solve Real-Time Analytics?
25 August 2021, Datanami

Toshiba Memory America Optimizes RocksDB for SSDs
5 August 2019, Business Wire

Facebook Open Sources MyRocks DB Engine And ZStandard Compression Algorithm
3 September 2016, Fossbytes

provided by Google News

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