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DBMS > atoti vs. Dragonfly vs. Oracle Coherence vs. Quasardb vs. SiteWhere

System Properties Comparison atoti vs. Dragonfly vs. Oracle Coherence vs. Quasardb vs. SiteWhere

Editorial information provided by DB-Engines
Nameatoti  Xexclude from comparisonDragonfly  Xexclude from comparisonOracle Coherence  Xexclude from comparisonQuasardb  Xexclude from comparisonSiteWhere  Xexclude from comparison
DescriptionAn in-memory DBMS combining transactional and analytical processing to handle the aggregation of ever-changing data.A drop-in Redis replacement that scales vertically to support millions of operations per second and terabyte sized workloads, all on a single instanceOracles in-memory data grid solutionDistributed, high-performance timeseries databaseM2M integration platform for persisting/querying time series data
Primary database modelObject oriented DBMSKey-value storeKey-value storeTime Series DBMSTime Series DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.61
Rank#243  Overall
#10  Object oriented DBMS
Score0.49
Rank#261  Overall
#38  Key-value stores
Score1.97
Rank#129  Overall
#22  Key-value stores
Score0.21
Rank#322  Overall
#29  Time Series DBMS
Score0.06
Rank#383  Overall
#43  Time Series DBMS
Websiteatoti.iogithub.com/­dragonflydb/­dragonfly
www.dragonflydb.io
www.oracle.com/­java/­coherencequasar.aigithub.com/­sitewhere/­sitewhere
Technical documentationdocs.atoti.iowww.dragonflydb.io/­docsdocs.oracle.com/­en/­middleware/­standalone/­coherencedoc.quasar.ai/­mastersitewhere1.sitewhere.io/­index.html
DeveloperActiveViamDragonflyDB team and community contributorsOraclequasardbSiteWhere
Initial release2023200720092010
Current release1.0, March 202314.1, August 20233.14.1, January 2024
License infoCommercial or Open Sourcecommercial infofree versions availableOpen Source infoBSL 1.1commercialcommercial infoFree community edition, Non-profit organizations and non-commercial usage are eligible for free licensesOpen Source infoCommon Public Attribution License Version 1.0
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaC++JavaC++Java
Server operating systemsLinuxAll OS with a Java VMBSD
Linux
OS X
Windows
Linux
OS X
Windows
Data schemescheme-freeschema-freeschema-freepredefined scheme
Typing infopredefined data types such as float or datestrings, hashes, lists, sets, sorted sets, bit arraysyesyes infointeger and binaryyes
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.nononono
Secondary indexesnonoyes infowith tagsno
SQL infoSupport of SQLMultidimensional Expressions (MDX)nonoSQL-like query languageno
APIs and other access methodsProprietary protocol infoRESP - REdis Serialization ProtocolJCache
JPA
RESTful HTTP API
HTTP APIHTTP REST
Supported programming languagesC
C#
C++
Clojure
D
Dart
Elixir
Erlang
Go
Haskell
Java
JavaScript (Node.js)
Lisp
Lua
Objective-C
Perl
PHP
Python
R
Ruby
Rust
Scala
Swift
Tcl
.Net
C++
Java
.Net
C
C#
C++
Go
Java
JavaScript (Node.js)
PHP
Python
R
Server-side scripts infoStored proceduresPythonLuanono
Triggerspublish/subscribe channels provide some trigger functionalityyes infoLive Eventsno
Partitioning methods infoMethods for storing different data on different nodesSharding, horizontal partitioningShardingSharding infoconsistent hashingSharding infobased on HBase
Replication methods infoMethods for redundantly storing data on multiple nodesSource-replica replicationyes, with selectable consistency levelSource-replica replication with selectable replication factorselectable replication factor infobased on HBase
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononowith Hadoop integrationno
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual ConsistencyEventual Consistency
Immediate Consistency
Immediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynononono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataAtomic execution of command blocks and scriptsconfigurableACIDno
Concurrency infoSupport for concurrent manipulation of datayes, multi-version concurrency control (MVCC)yes, strict serializability by the serveryesyesyes
Durability infoSupport for making data persistentyesyes infooptionallyyes infoby using LevelDByes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesyesyes infoTransient modeno
User concepts infoAccess controlPassword-based authenticationauthentification to access the cache via certificates or http basic authenticationCryptographically strong user authentication and audit trailUsers with fine-grained authorization concept

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More resources
atotiDragonflyOracle CoherenceQuasardbSiteWhere
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