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DBMS > Lovefield vs. SiteWhere vs. Splunk vs. Tkrzw vs. Yaacomo

System Properties Comparison Lovefield vs. SiteWhere vs. Splunk vs. Tkrzw vs. Yaacomo

Editorial information provided by DB-Engines
NameLovefield  Xexclude from comparisonSiteWhere  Xexclude from comparisonSplunk  Xexclude from comparisonTkrzw infoSuccessor of Tokyo Cabinet and Kyoto Cabinet  Xexclude from comparisonYaacomo  Xexclude from comparison
DescriptionEmbeddable relational database for web apps written in pure JavaScriptM2M integration platform for persisting/querying time series dataAnalytics Platform for Big DataA concept of libraries, allowing an application program to store and query key-value pairs in a file. Successor of Tokyo Cabinet and Kyoto CabinetOpenCL based in-memory RDBMS, designed for efficiently utilizing the hardware via parallel computing
Primary database modelRelational DBMSTime Series DBMSSearch engineKey-value storeRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.23
Rank#283  Overall
#133  Relational DBMS
Score0.00
Rank#354  Overall
#33  Time Series DBMS
Score96.35
Rank#13  Overall
#2  Search engines
Score0.00
Rank#354  Overall
#54  Key-value stores
Score0.00
Rank#354  Overall
#152  Relational DBMS
Websitegoogle.github.io/­lovefieldsitewhere.iowww.splunk.comdbmx.net/­tkrzwyaacomo.com
Technical documentationgithub.com/­google/­lovefield/­blob/­master/­docs/­spec_index.mdsitewhere.io/­docs/­2.1.0docs.splunk.com/­Documentation/­Splunk
DeveloperGoogleSiteWhereSplunk Inc.Mikio HirabayashiQ2WEB GmbH
Initial release20142010200320202009
Current release2.1.12, February 20170.9.3, August 2020
License infoCommercial or Open SourceOpen Source infoApache 2.0Open Source infoCommon Public Attribution License Version 1.0commercial infoLimited free edition and free developer edition availableOpen Source infoApache Version 2.0commercial
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 languageJavaScriptJavaC++
Server operating systemsserver-less, requires a JavaScript environment (browser, Node.js) infotested with Chrome, Firefox, IE, SafariLinux
OS X
Windows
Linux
OS X
Solaris
Windows
Linux
macOS
Android
Linux
Windows
Data schemeyespredefined schemeyesschema-freeyes
Typing infopredefined data types such as float or dateyesyesyesnoyes
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.nonoyesnono
Secondary indexesyesnoyesyes
SQL infoSupport of SQLSQL-like query language infovia JavaScript builder patternnono infoSplunk Search Processing Language for search commandsnoyes
APIs and other access methodsHTTP RESTHTTP RESTJDBC
ODBC
Supported programming languagesJavaScriptC#
Java
JavaScript
PHP
Python
Ruby
C++
Java
Python
Ruby
Server-side scripts infoStored proceduresnoyesno
TriggersUsing read-only observersyesnoyes
Partitioning methods infoMethods for storing different data on different nodesnoneSharding infobased on HBaseShardingnonehorizontal partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesnoneselectable replication factor infobased on HBaseMulti-source replicationnoneSource-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoyesnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesnononoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDnono infoA 'Transaction' in Splunk has a different meaning: grouping related events into a single one for later searchingACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyesyes
Durability infoSupport for making data persistentyes, by using IndexedDB or the cloud service Firebase Realtime Databaseyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes infousing MemoryDBnonoyes infousing specific database classesyes
User concepts infoAccess controlnoUsers with fine-grained authorization conceptAccess rights for users and rolesnofine grained access rights according to SQL-standard

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More resources
LovefieldSiteWhereSplunkTkrzw infoSuccessor of Tokyo Cabinet and Kyoto CabinetYaacomo
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