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DBMS > Hazelcast vs. HugeGraph vs. IBM Db2 Event Store vs. SAP IQ vs. XTDB

System Properties Comparison Hazelcast vs. HugeGraph vs. IBM Db2 Event Store vs. SAP IQ vs. XTDB

Editorial information provided by DB-Engines
NameHazelcast  Xexclude from comparisonHugeGraph  Xexclude from comparisonIBM Db2 Event Store  Xexclude from comparisonSAP IQ infoformer name: Sybase IQ  Xexclude from comparisonXTDB infoformerly named Crux  Xexclude from comparison
DescriptionA widely adopted in-memory data gridA fast-speed and highly-scalable Graph DBMSDistributed Event Store optimized for Internet of Things use casesColumnar RDBMS optimized for Big Data analyticsA general purpose database with bitemporal SQL and Datalog and graph queries
Primary database modelKey-value storeGraph DBMSEvent Store
Time Series DBMS
Relational DBMS infocolumn-orientedDocument store
Secondary database modelsDocument store infoJSON support with IMDG 3.12
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score5.46
Rank#61  Overall
#7  Key-value stores
Score0.17
Rank#335  Overall
#31  Graph DBMS
Score0.27
Rank#309  Overall
#2  Event Stores
#28  Time Series DBMS
Score2.64
Rank#108  Overall
#52  Relational DBMS
Score0.18
Rank#332  Overall
#46  Document stores
Websitehazelcast.comgithub.com/­hugegraph
hugegraph.apache.org
www.ibm.com/­products/­db2-event-storewww.sap.com/­products/­technology-platform/­sybase-iq-big-data-management.htmlgithub.com/­xtdb/­xtdb
www.xtdb.com
Technical documentationhazelcast.org/­imdg/­docshugegraph.apache.org/­docswww.ibm.com/­docs/­en/­db2-event-storehelp.sap.com/­docs/­SAP_IQwww.xtdb.com/­docs
DeveloperHazelcastBaiduIBMSAP, formerly SybaseJuxt Ltd.
Initial release20082018201719942019
Current release5.3.6, November 20230.92.016.1 SPS04, April 20191.19, September 2021
License infoCommercial or Open SourceOpen Source infoApache Version 2; commercial licenses availableOpen Source infoApache Version 2.0commercial infofree developer edition availablecommercialOpen Source infoMIT License
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaJavaC and C++Clojure
Server operating systemsAll OS with a Java VMLinux
macOS
Unix
Linux infoLinux, macOS, Windows for the developer additionAIX
HP-UX
Linux
Solaris
Windows
All OS with a Java 8 (and higher) VM
Linux
Data schemeschema-freeyesyesyesschema-free
Typing infopredefined data types such as float or dateyesyesyesyesyes, extensible-data-notation format
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.yes infothe object must implement a serialization strategynononono
Secondary indexesyesyes infoalso supports composite index and range indexnoyesyes
SQL infoSupport of SQLSQL-like query languagenoyes infothrough the embedded Spark runtimeyeslimited SQL, making use of Apache Calcite
APIs and other access methodsJCache
JPA
Memcached protocol
RESTful HTTP API
Java API
RESTful HTTP API
TinkerPop Gremlin
ADO.NET
DB2 Connect
JDBC
ODBC
RESTful HTTP API
ADO.NET
JDBC
ODBC
RESTful HTTP API
HTTP REST
JDBC
Supported programming languages.Net
C#
C++
Clojure
Go
Java
JavaScript (Node.js)
Python
Scala
Groovy
Java
Python
C
C#
C++
Cobol
Delphi
Fortran
Go
Java
JavaScript (Node.js)
Perl
PHP
Python
R
Ruby
Scala
Visual Basic
C
C#
C++
Java
Perl
PHP
Python
Ruby
Clojure
Java
Server-side scripts infoStored proceduresyes infoEvent Listeners, Executor Servicesasynchronous Gremlin script jobsyesyesno
Triggersyes infoEventsnonoyesno
Partitioning methods infoMethods for storing different data on different nodesShardingyes infodepending on used storage backend, e.g. Cassandra and HBaseShardingshared disk or shared nothing architectures with SAP IQ Multiplexernone
Replication methods infoMethods for redundantly storing data on multiple nodesyes infoReplicated Mapyes infodepending on used storage backend, e.g. Cassandra and HBaseActive-active shard replicationSAP/Sybase Replication Serveryes, each node contains all data
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesvia hugegraph-sparknoHadoop integrationno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency or Eventual Consistency selectable by user infoRaft Consensus AlgorithmEventual ConsistencyEventual ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyes infoedges in graphnoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataone or two-phase-commit; repeatable reads; read commitedACIDnoACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesNo - written data is immutableyesyes
Durability infoSupport for making data persistentyesyesYes - Synchronous writes to local disk combined with replication and asynchronous writes in parquet format to permanent shared storageyesyes, flexibel persistency by using storage technologies like Apache Kafka, RocksDB or LMDB
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesyesno
User concepts infoAccess controlRole-based access controlUsers, roles and permissionsfine grained access rights according to SQL-standardfine grained access rights according to SQL-standard

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More resources
HazelcastHugeGraphIBM Db2 Event StoreSAP IQ infoformer name: Sybase IQXTDB infoformerly named Crux
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