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DBMS > Cachelot.io vs. OpenQM vs. OpenTSDB vs. SQream DB vs. UniData,UniVerse

System Properties Comparison Cachelot.io vs. OpenQM vs. OpenTSDB vs. SQream DB vs. UniData,UniVerse

Editorial information provided by DB-Engines
NameCachelot.io  Xexclude from comparisonOpenQM infoalso called QM  Xexclude from comparisonOpenTSDB  Xexclude from comparisonSQream DB  Xexclude from comparisonUniData,UniVerse  Xexclude from comparison
DescriptionIn-memory caching systemQpenQM is a high-performance, self-tuning, multi-value DBMSScalable Time Series DBMS based on HBasea GPU-based, columnar RDBMS for big data analytics workloadsMultiValue database and application server with SQL mapping layer and meta database capabilities
Primary database modelKey-value storeMultivalue DBMSTime Series DBMSRelational DBMSMultivalue DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.00
Rank#383  Overall
#60  Key-value stores
Score0.27
Rank#298  Overall
#10  Multivalue DBMS
Score1.68
Rank#146  Overall
#12  Time Series DBMS
Score0.70
Rank#227  Overall
#104  Relational DBMS
Score3.16
Rank#97  Overall
#2  Multivalue DBMS
Websitecachelot.iowww.rocketsoftware.com/­products/­rocket-multivalue-application-development-platform/­rocket-open-qmopentsdb.netsqream.comwww.rocketsoftware.com/­products/­rocket-multivalue-application-development-platform/­rocket-unidata
Technical documentationopentsdb.net/­docs/­build/­html/­index.htmldocs.sqream.comdocs.rocketsoftware.com/­bundle?cluster=true&labelkey=unidata&labelkey=prod_unidata
DeveloperRocket Software, originally Martin Phillipscurrently maintained by Yahoo and other contributorsSQream TechnologiesRocket Software
Initial release20151993201120171985
Current release3.4-122022.1.6, December 2022
License infoCommercial or Open SourceOpen Source infoSimplified BSD LicenseOpen Source infoGPLv2, extended commercial license availableOpen Source infoLGPLcommercialcommercial
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 languageC++JavaC++, CUDA, Haskell, Java, ScalaC
Server operating systemsFreeBSD
Linux
OS X
AIX
FreeBSD
Linux
macOS
Raspberry Pi
Solaris
Windows
Linux
Windows
LinuxAIX
HP-UX
Linux
Solaris
Windows
Data schemeschema-freeyes infowith some exceptionsschema-freeyesschema-free
Typing infopredefined data types such as float or datenonumeric data for metrics, strings for tagsyes, ANSI Standard SQL Typesoptional
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.noyesno
Secondary indexesnoyesnonoyes
SQL infoSupport of SQLnononoyesyes
APIs and other access methodsMemcached protocolHTTP API
Telnet API
.Net
JDBC
ODBC
Java API infoJPA
JDBC
ODBC
OLE DB
Proprietary protocol
RESTful HTTP API
SOAP-based API
Supported programming languages.Net
C
C++
ColdFusion
Erlang
Java
Lisp
Lua
OCaml
OCaml
Perl
PHP
Python
Ruby
.Net
Basic
C
Java
Objective C
PHP
Python
Erlang
Go
Java
Python
R
Ruby
C++
Java
JavaScript (Node.js)
Python
.Net
Basic infoU2 Basic
C
Java
Server-side scripts infoStored proceduresnoyesnouser defined functions in Pythonyes
Triggersnoyesnonoyes infoU2 Basic
Partitioning methods infoMethods for storing different data on different nodesnoneyesSharding infobased on HBasehorizontal and vertical partitioningnone
Replication methods infoMethods for redundantly storing data on multiple nodesnoneyesselectable replication factor infobased on HBasenoneSource-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonononono
Consistency concepts infoMethods to ensure consistency in a distributed systemnoneImmediate ConsistencyImmediate Consistency infobased on HBaseImmediate Consistency
Foreign keys infoReferential integritynonononono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDnoACIDACID infoconfigurable
Concurrency infoSupport for concurrent manipulation of datayesyesyesyesyes
Durability infoSupport for making data persistentnoyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nono
User concepts infoAccess controlnoAccess rights can be defined down to the item levelnoAccess rights according to SQL-standard and operating system based

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More resources
Cachelot.ioOpenQM infoalso called QMOpenTSDBSQream DBUniData,UniVerse
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