DBMS > GridDB vs. HarperDB vs. ToroDB
System Properties Comparison GridDB vs. HarperDB vs. ToroDB
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|Editorial information provided by DB-Engines|
|Name||GridDB Xexclude from comparison||HarperDB Xexclude from comparison||ToroDB Xexclude from comparison|
|Description||Scalable in-memory time series database optimized for IoT and Big Data||Ultra-low latency distributed database with an intuitive REST API supporting NoSQL and SQL (including joins). Deployment of functions and databases simultaneously with a consolidated node-level architecture.||A MongoDB-compatible JSON document store, built on top of PostgreSQL|
|Primary database model||Time Series DBMS||Document store||Document store|
|Secondary database models||Key-value store|
|Current release||5.1, August 2022||3.1, August 2021|
|License Commercial or Open Source||Open Source AGPL version 3 and Apache License, version 2.0 , commercial license (standard and advanced editions) also available||commercial free community edition available||Open Source AGPL-V3|
|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||Linux||Linux|
|All OS with a Java 7 VM|
|Data scheme||yes||dynamic schema||schema-free|
|Typing predefined data types such as float or date||yes numerical, string, blob, geometry, boolean, timestamp||yes JSON data types||yes string, integer, double, boolean, date, object_id|
|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||no|
|SQL Support of SQL||SQL92, SQL-like TQL (Toshiba Query Language)||SQL-like data manipulation statements|
|APIs and other access methods||JDBC|
RESTful HTTP/JSON API
RESTful HTTP/JSON API
|Supported programming languages||C|
|Server-side scripts Stored procedures||no||Custom Functions since release 3.1|
|Partitioning methods Methods for storing different data on different nodes||Sharding||A table resides as a whole on one (or more) nodes in a cluster||Sharding|
|Replication methods Methods for redundantly storing data on multiple nodes||Source-replica replication||yes the nodes on which a table resides can be defined||Source-replica replication|
|MapReduce Offers an API for user-defined Map/Reduce methods||Connector for using GridDB as an input source and output destination for Hadoop MapReduce jobs||no|
|Consistency concepts Methods to ensure consistency in a distributed system||Immediate consistency within container, eventual consistency across containers||Immediate Consistency||Eventual Consistency|
|Foreign keys Referential integrity||no||no||no|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||ACID at container level||Atomic execution of specific operations||no|
|Concurrency Support for concurrent manipulation of data||yes||yes||yes|
|Durability Support for making data persistent||yes||yes, using LMDB||yes|
|In-memory capabilities Is there an option to define some or all structures to be held in-memory only.||yes||yes|
|User concepts Access control||Access rights for users can be defined per database||Access rights for users and roles||Access rights for users and roles|
|More information provided by the system vendor|
|Specific characteristics||GridDB is a highly scalable, in-memory time series database optimized for IoT and...|
|Competitive advantages||1. Optimized for IoT Equipped with Toshiba's proprietary key-container data model...|
|Typical application scenarios||Factory IoT, Automative Industry, Energy, BEMS, Smart Community, Monitoring system.|
|Key customers||Denso International [see use case ] An Electric Power company [see use case ] Ishinomaki...|
|Market metrics||GitHub trending repository|
|Licensing and pricing models||Open Source license (AGPL v3 & Apache v2) Commercial license (subscription)|
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