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DBMS > Lovefield vs. OpenTSDB vs. PouchDB vs. Splunk

System Properties Comparison Lovefield vs. OpenTSDB vs. PouchDB vs. Splunk

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Editorial information provided by DB-Engines
NameLovefield  Xexclude from comparisonOpenTSDB  Xexclude from comparisonPouchDB  Xexclude from comparisonSplunk  Xexclude from comparison
DescriptionEmbeddable relational database for web apps written in pure JavaScriptScalable Time Series DBMS based on HBaseJavaScript DBMS with an API inspired by CouchDBAnalytics Platform for Big Data
Primary database modelRelational DBMSTime Series DBMSDocument storeSearch engine
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.22
Rank#306  Overall
#138  Relational DBMS
Score1.59
Rank#140  Overall
#12  Time Series DBMS
Score2.18
Rank#114  Overall
#21  Document stores
Score93.02
Rank#13  Overall
#2  Search engines
Websitegoogle.github.io/­lovefieldopentsdb.netpouchdb.comwww.splunk.com
Technical documentationgithub.com/­google/­lovefield/­blob/­master/­docs/­spec_index.mdopentsdb.net/­docs/­build/­html/­index.htmlpouchdb.com/­guidesdocs.splunk.com/­Documentation/­Splunk
DeveloperGooglecurrently maintained by Yahoo and other contributorsApache Software FoundationSplunk Inc.
Initial release2014201120122003
Current release2.1.12, February 20177.1.1, June 2019
License infoCommercial or Open SourceOpen Source infoApache 2.0Open Source infoLGPLOpen Sourcecommercial infoLimited free edition and free developer edition available
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaScriptJavaJavaScript
Server operating systemsserver-less, requires a JavaScript environment (browser, Node.js) infotested with Chrome, Firefox, IE, SafariLinux
Windows
server-less, requires a JavaScript environment (browser, Node.js)Linux
OS X
Solaris
Windows
Data schemeyesschema-freeschema-freeyes
Typing infopredefined data types such as float or dateyesnumeric data for metrics, strings for tagsnoyes
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.nononoyes
Secondary indexesyesnoyes infovia viewsyes
SQL infoSupport of SQLSQL-like query language infovia JavaScript builder patternnonono infoSplunk Search Processing Language for search commands
APIs and other access methodsHTTP API
Telnet API
HTTP REST infoonly for PouchDB Server
JavaScript API
HTTP REST
Supported programming languagesJavaScriptErlang
Go
Java
Python
R
Ruby
JavaScriptC#
Java
JavaScript
PHP
Python
Ruby
Server-side scripts infoStored proceduresnonoView functions in JavaScriptyes
TriggersUsing read-only observersnoyesyes
Partitioning methods infoMethods for storing different data on different nodesnoneSharding infobased on HBaseSharding infowith a proxy-based framework, named couchdb-loungeSharding
Replication methods infoMethods for redundantly storing data on multiple nodesnoneselectable replication factor infobased on HBaseMulti-source replication infoalso with CouchDB databases
Source-replica replication infoalso with CouchDB databases
Multi-source replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoyesyes
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency infobased on HBaseEventual ConsistencyEventual Consistency
Foreign keys infoReferential integrityyesnonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDnonono infoA 'Transaction' in Splunk has a different meaning: grouping related events into a single one for later searching
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyes, by using IndexedDB or the cloud service Firebase Realtime Databaseyesyes infoby using IndexedDB, WebSQL or LevelDB as backendyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes infousing MemoryDBnoyesno
User concepts infoAccess controlnononoAccess rights for users and roles

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More resources
LovefieldOpenTSDBPouchDBSplunk
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