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DBMS > Apache Druid vs. Graph Engine vs. ObjectBox vs. RocksDB vs. Splice Machine

System Properties Comparison Apache Druid vs. Graph Engine vs. ObjectBox vs. RocksDB vs. Splice Machine

Editorial information provided by DB-Engines
NameApache Druid  Xexclude from comparisonGraph Engine infoformer name: Trinity  Xexclude from comparisonObjectBox  Xexclude from comparisonRocksDB  Xexclude from comparisonSplice Machine  Xexclude from comparison
DescriptionOpen-source analytics data store designed for sub-second OLAP queries on high dimensionality and high cardinality dataA distributed in-memory data processing engine, underpinned by a strongly-typed RAM store and a general distributed computation engineLightweight, fast on-device database for IoT, Mobile and Embedded devices, persisting and synchronising objects and vectorsEmbeddable persistent key-value store optimized for fast storage (flash and RAM)Open-Source SQL RDBMS for Operational and Analytical use cases with native Machine Learning, powered by Hadoop and Spark
Primary database modelRelational DBMS
Time Series DBMS
Graph DBMS
Key-value store
Object oriented DBMS
Vector DBMS
Key-value storeRelational DBMS
Secondary database modelsTime Series DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.70
Rank#98  Overall
#50  Relational DBMS
#7  Time Series DBMS
Score0.59
Rank#235  Overall
#21  Graph DBMS
#33  Key-value stores
Score1.10
Rank#173  Overall
#6  Object oriented DBMS
#10  Vector DBMS
Score2.96
Rank#89  Overall
#13  Key-value stores
Score0.54
Rank#242  Overall
#113  Relational DBMS
Websitedruid.apache.orgwww.graphengine.iogithub.com/­objectbox
objectbox.io
rocksdb.orgsplicemachine.com
Technical documentationdruid.apache.org/­docs/­latest/­designwww.graphengine.io/­docs/­manualdocs.objectbox.iogithub.com/­facebook/­rocksdb/­wikisplicemachine.com/­how-it-works
DeveloperApache Software Foundation and contributorsMicrosoftObjectBox LimitedFacebook, Inc.Splice Machine
Initial release20122010201720132014
Current release30.0.0, June 20244.0 (May 2024)9.4.0, June 20243.1, March 2021
License infoCommercial or Open SourceOpen Source infoApache license v2Open Source infoMIT LicenseBindings are released under Apache 2.0 infoApache License 2.0Open Source infoBSDOpen Source infoAGPL 3.0, commercial license available
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJava.NET and CC and C++C++Java
Server operating systemsLinux
OS X
Unix
.NETAndroid
Any POSIX system
Docker
iOS
Linux
macOS
QNX
Windows
LinuxLinux
OS X
Solaris
Windows
Data schemeyes infoschema-less columns are supportedyesyesschema-freeyes
Typing infopredefined data types such as float or dateyesyesyes, plus "flex" map-like typesnoyes
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 indexesyesyesnoyes
SQL infoSupport of SQLSQL for queryingnononoyes
APIs and other access methodsJDBC
RESTful HTTP/JSON API
RESTful HTTP APIProprietary native APIC++ API
Java API
JDBC
Native Spark Datasource
ODBC
Supported programming languagesClojure
JavaScript
PHP
Python
R
Ruby
Scala
C#
C++
F#
Visual Basic
C
C++
Dart (Flutter)
Go
Java
Kotlin
Python
Swift
C
C++
Go
Java
Perl
Python
Ruby
C#
C++
Java
JavaScript (Node.js)
Python
R
Scala
Server-side scripts infoStored proceduresnoyesnonoyes infoJava
Triggersnononoyes
Partitioning methods infoMethods for storing different data on different nodesSharding infomanual/auto, time-basedhorizontal partitioningnonehorizontal partitioningShared Nothhing Auto-Sharding, Columnar Partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesyes, via HDFS, S3 or other storage enginesData sync between devices allowing occasional connected databases to work completely offlineyesMulti-source replication
Source-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononoYes, via Full Spark Integration
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynonoyesnoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanonoACIDyesACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyesyes, multi-version concurrency control (MVCC)
Durability infoSupport for making data persistentyesoptional: either by committing a write-ahead log (WAL) to the local persistent storage or by dumping the memory to a persistent storageyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesnoyesyes
User concepts infoAccess controlRBAC using LDAP or Druid internals for users and groups for read/write by datasource and systemyesnoAccess rights for users, groups and roles according to SQL-standard
More information provided by the system vendor
Apache DruidGraph Engine infoformer name: TrinityObjectBoxRocksDBSplice Machine
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More resources
Apache DruidGraph Engine infoformer name: TrinityObjectBoxRocksDBSplice Machine
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