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DBMS > Blueflood vs. Memcached vs. Newts vs. OpenTSDB vs. Quasardb

System Properties Comparison Blueflood vs. Memcached vs. Newts vs. OpenTSDB vs. Quasardb

Editorial information provided by DB-Engines
NameBlueflood  Xexclude from comparisonMemcached  Xexclude from comparisonNewts  Xexclude from comparisonOpenTSDB  Xexclude from comparisonQuasardb  Xexclude from comparison
DescriptionScalable TimeSeries DBMS based on CassandraIn-memory key-value store, originally intended for cachingTime Series DBMS based on CassandraScalable Time Series DBMS based on HBaseDistributed, high-performance timeseries database
Primary database modelTime Series DBMSKey-value storeTime Series DBMSTime Series DBMSTime Series DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.13
Rank#346  Overall
#33  Time Series DBMS
Score18.08
Rank#32  Overall
#4  Key-value stores
Score0.07
Rank#375  Overall
#41  Time Series DBMS
Score1.68
Rank#142  Overall
#12  Time Series DBMS
Score0.21
Rank#322  Overall
#29  Time Series DBMS
Websiteblueflood.iowww.memcached.orgopennms.github.io/­newtsopentsdb.netquasar.ai
Technical documentationgithub.com/­rax-maas/­blueflood/­wikigithub.com/­memcached/­memcached/­wikigithub.com/­OpenNMS/­newts/­wikiopentsdb.net/­docs/­build/­html/­index.htmldoc.quasar.ai/­master
DeveloperRackspaceDanga Interactive infooriginally developed by Brad Fitzpatrick for LiveJournalOpenNMS Groupcurrently maintained by Yahoo and other contributorsquasardb
Initial release20132003201420112009
Current release1.6.27, May 20243.14.1, January 2024
License infoCommercial or Open SourceOpen Source infoApache 2.0Open Source infoBSD licenseOpen Source infoApache 2.0Open Source infoLGPLcommercial infoFree community edition, Non-profit organizations and non-commercial usage are eligible for free licenses
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaCJavaJavaC++
Server operating systemsLinux
OS X
FreeBSD
Linux
OS X
Unix
Windows
Linux
OS X
Windows
Linux
Windows
BSD
Linux
OS X
Windows
Data schemepredefined schemeschema-freeschema-freeschema-freeschema-free
Typing infopredefined data types such as float or dateyesnoyesnumeric data for metrics, strings for tagsyes 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.nononono
Secondary indexesnonononoyes infowith tags
SQL infoSupport of SQLnonononoSQL-like query language
APIs and other access methodsHTTP RESTProprietary protocolHTTP REST
Java API
HTTP API
Telnet API
HTTP API
Supported programming languages.Net
C
C++
ColdFusion
Erlang
Java
Lisp
Lua
OCaml
Perl
PHP
Python
Ruby
JavaErlang
Go
Java
Python
R
Ruby
.Net
C
C#
C++
Go
Java
JavaScript (Node.js)
PHP
Python
R
Server-side scripts infoStored proceduresnonononono
Triggersnonononono
Partitioning methods infoMethods for storing different data on different nodesSharding infobased on CassandranoneSharding infobased on CassandraSharding infobased on HBaseSharding infoconsistent hashing
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infobased on Cassandranone infoRepcached, a Memcached patch, provides this functionallityselectable replication factor infobased on Cassandraselectable replication factor infobased on HBaseSource-replica replication with selectable replication factor
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonononowith Hadoop integration
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency infobased on Cassandra
Immediate Consistency infobased on Cassandra
Eventual Consistency infobased on Cassandra
Immediate Consistency infobased on Cassandra
Immediate Consistency infobased on HBaseImmediate Consistency
Foreign keys infoReferential integritynonononono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanonononoACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyesyes
Durability infoSupport for making data persistentyesnoyesyesyes infoby using LevelDB
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nononoyes infoTransient mode
User concepts infoAccess controlnoyes infousing SASL (Simple Authentication and Security Layer) protocolnonoCryptographically strong user authentication and audit trail

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More resources
BluefloodMemcachedNewtsOpenTSDBQuasardb
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