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DBMS > Lovefield vs. OpenTSDB vs. Qdrant vs. Splunk

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

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Editorial information provided by DB-Engines
NameLovefield  Xexclude from comparisonOpenTSDB  Xexclude from comparisonQdrant  Xexclude from comparisonSplunk  Xexclude from comparison
DescriptionEmbeddable relational database for web apps written in pure JavaScriptScalable Time Series DBMS based on HBaseA high-performance vector database with neural network or semantic-based matchingAnalytics Platform for Big Data
Primary database modelRelational DBMSTime Series DBMSVector DBMSSearch engine
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.33
Rank#286  Overall
#131  Relational DBMS
Score1.68
Rank#142  Overall
#12  Time Series DBMS
Score1.28
Rank#167  Overall
#7  Vector DBMS
Score89.10
Rank#14  Overall
#2  Search engines
Websitegoogle.github.io/­lovefieldopentsdb.netgithub.com/­qdrant/­qdrant
qdrant.tech
www.splunk.com
Technical documentationgithub.com/­google/­lovefield/­blob/­master/­docs/­spec_index.mdopentsdb.net/­docs/­build/­html/­index.htmlqdrant.tech/­documentationdocs.splunk.com/­Documentation/­Splunk
DeveloperGooglecurrently maintained by Yahoo and other contributorsQdrantSplunk Inc.
Initial release2014201120212003
Current release2.1.12, February 2017
License infoCommercial or Open SourceOpen Source infoApache 2.0Open Source infoLGPLOpen Source infoApache Version 2.0commercial 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 languageJavaScriptJavaRust
Server operating systemsserver-less, requires a JavaScript environment (browser, Node.js) infotested with Chrome, Firefox, IE, SafariLinux
Windows
Docker
Linux
macOS
Windows
Linux
OS X
Solaris
Windows
Data schemeyesschema-freeschema-freeyes
Typing infopredefined data types such as float or dateyesnumeric data for metrics, strings for tagsNumbers, Strings, Geo, Booleanyes
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 infoKeywords, numberic ranges, geo, full-textyes
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
gRPC
OpenAPI 3.0
RESTful HTTP/JSON API infoOpenAPI 3.0
HTTP REST
Supported programming languagesJavaScriptErlang
Go
Java
Python
R
Ruby
.Net
Go
Java
JavaScript (Node.js)
Python
Rust
C#
Java
JavaScript
PHP
Python
Ruby
Server-side scripts infoStored proceduresnonoyes
TriggersUsing read-only observersnoyes
Partitioning methods infoMethods for storing different data on different nodesnoneSharding infobased on HBaseShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesnoneselectable replication factor infobased on HBaseCollection-level replicationMulti-source replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononoyes
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency infobased on HBaseEventual Consistency, tunable consistencyEventual Consistency
Foreign keys infoReferential integrityyesnono
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 searching
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyes, by using IndexedDB or the cloud service Firebase Realtime Databaseyesyesyes
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 controlnonoKey-based authenticationAccess rights for users and roles

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More resources
LovefieldOpenTSDBQdrantSplunk
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