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DBMS > LeanXcale vs. Newts vs. Quasardb

System Properties Comparison LeanXcale vs. Newts vs. Quasardb

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Editorial information provided by DB-Engines
NameLeanXcale  Xexclude from comparisonNewts  Xexclude from comparisonQuasardb  Xexclude from comparison
DescriptionA highly scalable full ACID SQL database with fast NoSQL data ingestion and GIS capabilitiesTime Series DBMS based on CassandraDistributed, high-performance timeseries database
Primary database modelKey-value store
Relational DBMS
Time Series DBMSTime Series DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.30
Rank#269  Overall
#40  Key-value stores
#124  Relational DBMS
Score0.00
Rank#348  Overall
#33  Time Series DBMS
Score0.25
Rank#278  Overall
#22  Time Series DBMS
Websitewww.leanxcale.comopennms.github.io/­newtsquasardb.net
Technical documentationgithub.com/­OpenNMS/­newts/­wikidoc.quasardb.net
DeveloperLeanXcaleOpenNMS Groupquasardb
Initial release201520142009
Current release3.1, January 2019
License infoCommercial or Open SourcecommercialOpen Source infoApache 2.0commercial infoFree community edition, Non-profit organizations and non-commercial usage are eligible for free licenses
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaC++
Server operating systemsLinux
OS X
Windows
BSD
Linux
OS X
Windows
Data schemeyesschema-freeschema-free
Typing infopredefined data types such as float or dateyesyes infointeger and binary
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.nono
Secondary indexesnoyes infowith tags
SQL infoSupport of SQLyes infothrough Apache DerbynoSQL-like query language
APIs and other access methodsJDBC
Kafka Connector
ODBC
proprietary key/value interface
Spark Connector
HTTP REST
Java API
HTTP API
Supported programming languagesC
Java
Scala
Java.Net
C
C#
C++
Go
Java
JavaScript (Node.js)
PHP
Python
R
Server-side scripts infoStored proceduresnono
Triggersnono
Partitioning methods infoMethods for storing different data on different nodesSharding infobased on CassandraSharding infoconsistent hashing
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infobased on CassandraSource-replica replication with selectable replication factor
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonowith Hadoop integration
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency infobased on Cassandra
Immediate Consistency infobased on Cassandra
Immediate Consistency
Foreign keys infoReferential integrityyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDnoACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyes infoby using LevelDB
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesnoyes infoTransient mode
User concepts infoAccess controlnoCryptographically strong user authentication and audit trail
More information provided by the system vendor
LeanXcaleNewtsQuasardb
Specific characteristicsFull ACID and full SQL operational database with analytical queries over operational...
» more
High-performance , high-speed, fully integrated timeseries database Seamlessly combines...
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Competitive advantagesLinear scalability upto 100s of nodes (tested with 100 nodes and TPC-C).
» more
High performance in a cost-effective small package Real-time results for even large...
» more
Typical application scenariosHybrid Transactional-Analytical Processing (HTAP) requiring an operational database...
» more
Tick database Predictive maintenance Pre-deal checks Large scale monitoring
» more
Key customersbanking/finance/fintech, telco, insurance, traveltech, M2M/IoT, retail
» more
Large EU investment banks US based hedge funds Orolia Tellmeplus
» more
Market metrics15 beta testers
» more
Has been running in very demanding production environments since 2013 Rapid adoption...
» more
Licensing and pricing modelsannual fee covering license and support based on number of physical cores
» more
Community edition limited to 2 nodes and 16 GiB of storage per node available for...
» more

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LeanXcaleNewtsQuasardb
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