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DBMS > EventStoreDB vs. Graphite vs. HEAVY.AI vs. Oracle Coherence vs. RocksDB

System Properties Comparison EventStoreDB vs. Graphite vs. HEAVY.AI vs. Oracle Coherence vs. RocksDB

Editorial information provided by DB-Engines
NameEventStoreDB  Xexclude from comparisonGraphite  Xexclude from comparisonHEAVY.AI infoFormerly named 'OmniSci', rebranded to 'HEAVY.AI' in March 2022  Xexclude from comparisonOracle Coherence  Xexclude from comparisonRocksDB  Xexclude from comparison
DescriptionIndustrial-strength, open-source database solution built from the ground up for event sourcing.Data logging and graphing tool for time series data infoThe storage layer (fixed size database) is called WhisperA high performance, column-oriented RDBMS, specifically developed to harness the massive parallelism of modern CPU and GPU hardwareOracles in-memory data grid solutionEmbeddable persistent key-value store optimized for fast storage (flash and RAM)
Primary database modelEvent StoreTime Series DBMSRelational DBMSKey-value storeKey-value store
Secondary database modelsSpatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.07
Rank#181  Overall
#1  Event Stores
Score5.19
Rank#62  Overall
#4  Time Series DBMS
Score1.41
Rank#153  Overall
#71  Relational DBMS
Score1.90
Rank#127  Overall
#21  Key-value stores
Score2.84
Rank#97  Overall
#16  Key-value stores
Websitewww.eventstore.comgithub.com/­graphite-project/­graphite-webgithub.com/­heavyai/­heavydb
www.heavy.ai
www.oracle.com/­java/­coherencerocksdb.org
Technical documentationdevelopers.eventstore.comgraphite.readthedocs.iodocs.heavy.aidocs.oracle.com/­en/­middleware/­standalone/­coherencegithub.com/­facebook/­rocksdb/­wiki
DeveloperEvent Store LimitedChris DavisHEAVY.AI, Inc.OracleFacebook, Inc.
Initial release20122006201620072013
Current release21.2, February 20215.10, January 202214.1, August 20239.4.0, June 2024
License infoCommercial or Open SourceOpen SourceOpen Source infoApache 2.0Open Source infoApache Version 2; enterprise edition availablecommercialOpen Source infoBSD
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languagePythonC++ and CUDAJavaC++
Server operating systemsLinux
Windows
Linux
Unix
LinuxAll OS with a Java VMLinux
Data schemeyesyesschema-freeschema-free
Typing infopredefined data types such as float or dateNumeric data onlyyesyesno
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 indexesnononono
SQL infoSupport of SQLnoyesnono
APIs and other access methodsHTTP API
Sockets
JDBC
ODBC
Thrift
Vega
JCache
JPA
RESTful HTTP API
C++ API
Java API
Supported programming languagesJavaScript (Node.js)
Python
All languages supporting JDBC/ODBC/Thrift
Python
.Net
C++
Java
C
C++
Go
Java
Perl
Python
Ruby
Server-side scripts infoStored proceduresnononono
Triggersnonoyes infoLive Events
Partitioning methods infoMethods for storing different data on different nodesnoneSharding infoRound robinShardinghorizontal partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesnoneMulti-source replicationyes, with selectable consistency levelyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemnoneImmediate ConsistencyEventual Consistency
Immediate Consistency
Foreign keys infoReferential integritynononono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanonoconfigurableyes
Concurrency infoSupport for concurrent manipulation of datayes infolockingyesyesyes
Durability infoSupport for making data persistentyesyesyes infooptionallyyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesyes
User concepts infoAccess controlnofine grained access rights according to SQL-standardauthentification to access the cache via certificates or http basic authenticationno

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More resources
EventStoreDBGraphiteHEAVY.AI infoFormerly named 'OmniSci', rebranded to 'HEAVY.AI' in March 2022Oracle CoherenceRocksDB
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