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DBMS > GreptimeDB vs. OpenSearch vs. TDSQL for MySQL

System Properties Comparison GreptimeDB vs. OpenSearch vs. TDSQL for MySQL

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Editorial information provided by DB-Engines
NameGreptimeDB  Xexclude from comparisonOpenSearch  Xexclude from comparisonTDSQL for MySQL  Xexclude from comparison
DescriptionAn open source Time Series DBMS built for increased scalability, high performance and efficiencyA distributed, RESTful search and analytics engine forked from Elasticsearch and based on Apache LuceneA high-performance distributed database management system with features such as automatic sharding, intelligent operation and maintenance, elastic scalability without downtime, and enterprise-grade security. It is highly compatible with MySQL.
Primary database modelTime Series DBMSSearch engineRelational DBMS
Secondary database modelsVector DBMSDocument store
Spatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.11
Rank#336  Overall
#29  Time Series DBMS
Score17.31
Rank#33  Overall
#4  Search engines
Score0.95
Rank#194  Overall
#90  Relational DBMS
Websitegreptime.comgithub.com/­opensearch-project
opensearch.org
www.tencentcloud.com/­products/­dcdb
Technical documentationdocs.greptime.comopensearch.org/­docs/­latestwww.tencentcloud.com/­document/­product/­1042
DeveloperGreptime Inc.Amazon Web ServicesTencent
Initial release202220212013
Current release2.5.0, January 2023
License infoCommercial or Open SourceOpen Source infoApache Version 2.0Open Source infoApache Version 2.0commercial
Cloud-based only infoOnly available as a cloud servicenonoyes
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
STACKIT OpenSearch offers OpenSearch in a managed version in enterprise grade, 100% GDPR-compliant, for a wide range of applications like analytics, website search, offering scalability and fast data access.
Implementation languageRustJava
Server operating systemsAndroid
Docker
FreeBSD
Linux
macOS
Windows
All OS with a Java VMhosted
Data schemeschema-free, schema definition possibleschema-free infoFlexible type definitions. Once a type is defined, it is persistentyes
Typing infopredefined data types such as float or dateyesyesyes
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.nono
Secondary indexesyesyes infoAll search fields are automatically indexedyes
SQL infoSupport of SQLyesSQL-like query languageyes
APIs and other access methodsgRPC
HTTP API
JDBC
Java API
RESTful HTTP/JSON API
JDBC
ODBC
Supported programming languagesC++
Erlang
Go
Java
JavaScript
Go
Java
JavaScript (Node.js)
PHP
Python
Ruby infoElasticsearch client
C
C#
C++
Java
PHP
Python
Ruby
Server-side scripts infoStored proceduresPythonyesyes
Triggersyes infoby using the 'percolation' featureyes
Partitioning methods infoMethods for storing different data on different nodesShardingShardingAutomatic sharding
Replication methods infoMethods for redundantly storing data on multiple nodesyesMulti-source replication
Source-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency infoSynchronous doc based replication. Get by ID may show delays up to 1 sec. Configurable write consistency: one, quorum, allImmediate Consistency
Foreign keys infoReferential integritynono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.no
User concepts infoAccess controlSimple rights management via user accountsUsers with fine-grained authorization concept
More information provided by the system vendor
GreptimeDBOpenSearchTDSQL for MySQL
Specific characteristicsGreptimeDB is a SQL & Python-enabled timeseries database system built from scratch...
» more
OpenSearch is a highly scalable and extensible open-source software suite for search,...
» more
Competitive advantages- Inherits advantages of Rust, such as excellent performance, memory safe, resource...
» more
Distributed as fully open source under Apache License, Version 2.0 (ALv2), OpenSearch...
» more
Typical application scenariosFor IoT industries, GreptimeDB can seamless integrate with message queues and other...
» more
The OpenSearch platform is used across a broad range of search , analytics, and observability...
» more
Key customersGreptime's clients span multiple sectors including IoT, connected vehicles, and energy...
» more
Market metricsGreptimeDB has garnered global recognition by topping GitHub trends following its...
» more
Licensing and pricing modelsGreptimeDB: open source, distributed, cloud-native TSDB; supports Hybrid Time-series...
» more
The OpenSearch Project offers open source software licensed under Apache License...
» more

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More resources
GreptimeDBOpenSearchTDSQL for MySQL
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