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DBMS > BigObject vs. Blueflood vs. LMDB vs. Oracle Coherence vs. RethinkDB

System Properties Comparison BigObject vs. Blueflood vs. LMDB vs. Oracle Coherence vs. RethinkDB

Editorial information provided by DB-Engines
NameBigObject  Xexclude from comparisonBlueflood  Xexclude from comparisonLMDB  Xexclude from comparisonOracle Coherence  Xexclude from comparisonRethinkDB  Xexclude from comparison
DescriptionAnalytic DBMS for real-time computations and queriesScalable TimeSeries DBMS based on CassandraA high performant, light-weight, embedded key-value database libraryOracles in-memory data grid solutionDBMS for the Web with a mechanism to push updated query results to applications in realtime.
Primary database modelRelational DBMS infoa hierachical model (tree) can be imposedTime Series DBMSKey-value storeKey-value storeDocument store
Secondary database modelsSpatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.13
Rank#333  Overall
#147  Relational DBMS
Score0.06
Rank#353  Overall
#34  Time Series DBMS
Score1.99
Rank#125  Overall
#21  Key-value stores
Score1.92
Rank#130  Overall
#22  Key-value stores
Score2.74
Rank#105  Overall
#19  Document stores
Websitebigobject.ioblueflood.iowww.symas.com/­symas-embedded-database-lmdbwww.oracle.com/­java/­coherencerethinkdb.com
Technical documentationdocs.bigobject.iogithub.com/­rax-maas/­blueflood/­wikiwww.lmdb.tech/­docdocs.oracle.com/­en/­middleware/­standalone/­coherencerethinkdb.com/­docs
DeveloperBigObject, Inc.RackspaceSymasOracleThe Linux Foundation infosince July 2017
Initial release20152013201120072009
Current release0.9.32, January 202414.1, August 20232.4.1, August 2020
License infoCommercial or Open Sourcecommercial infofree community edition availableOpen Source infoApache 2.0Open SourcecommercialOpen Source infoApache Version 2
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaCJavaC++
Server operating systemsLinux infodistributed as a docker-image
OS X infodistributed as a docker-image (boot2docker)
Windows infodistributed as a docker-image (boot2docker)
Linux
OS X
Linux
Unix
Windows
All OS with a Java VMLinux
OS X
Windows
Data schemeyespredefined schemeschema-freeschema-freeschema-free
Typing infopredefined data types such as float or dateyesyesyesyes infostring, binary, float, bool, date, geometry
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.nonononono
Secondary indexesyesnononoyes
SQL infoSupport of SQLSQL-like DML and DDL statementsnononono
APIs and other access methodsfluentd
ODBC
RESTful HTTP API
HTTP RESTJCache
JPA
RESTful HTTP API
Supported programming languages.Net
C
C++
Clojure
Go
Haskell
Java
JavaScript (Node.js)
Lisp
Lua
MatLab
Nim
Objective C
OCaml
Perl
PHP
Python
R
Ruby
Rust
Swift
Tcl
.Net
C++
Java
C infocommunity-supported driver
C# infocommunity-supported driver
C++ infocommunity-supported driver
Clojure infocommunity-supported driver
Dart infocommunity-supported driver
Erlang infocommunity-supported driver
Go infocommunity-supported driver
Haskell infocommunity-supported driver
Java infoofficial driver
JavaScript (Node.js) infoofficial driver
Lisp infocommunity-supported driver
Lua infocommunity-supported driver
Objective-C infocommunity-supported driver
Perl infocommunity-supported driver
PHP infocommunity-supported driver
Python infoofficial driver
Ruby infoofficial driver
Scala infocommunity-supported driver
Server-side scripts infoStored proceduresLuanonono
Triggersnononoyes infoLive EventsClient-side triggers through changefeeds
Partitioning methods infoMethods for storing different data on different nodesnoneSharding infobased on CassandranoneShardingSharding inforange based
Replication methods infoMethods for redundantly storing data on multiple nodesnoneselectable replication factor infobased on Cassandranoneyes, with selectable consistency levelSource-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonononoyes
Consistency concepts infoMethods to ensure consistency in a distributed systemnoneEventual Consistency infobased on Cassandra
Immediate Consistency infobased on Cassandra
Immediate ConsistencyEventual Consistency
Immediate Consistency
Immediate Consistency
Foreign keys infoReferential integrityyes infoautomatically between fact table and dimension tablesnononono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanonoACIDconfigurableAtomic single-document operations
Concurrency infoSupport for concurrent manipulation of datayes infoRead/write lock on objects (tables, trees)yesyesyesyes infoMVCC based
Durability infoSupport for making data persistentyesyesyesyes infooptionallyyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesnoyesyesno
User concepts infoAccess controlnononoauthentification to access the cache via certificates or http basic authenticationyes infousers and table-level permissions

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More resources
BigObjectBluefloodLMDBOracle CoherenceRethinkDB
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